Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Beam Tetrode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P08 | Triode | 1928 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode (Bright Emitter) | 1922 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P12/250 | Triode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Helium-Neon Laser Tube | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P125 | Output Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P125A | Output Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode ( Cossor Bright Emitter) | 1922 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Output Triode (M-OV) | 1930 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1934 | | 
| B2006 REN1822 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1935 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1930 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1929 | | 
| AR5 CV3620 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1931 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1933 | | 
| p2 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P227 | Output Triode | 1928 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P240 | Triode | 1929 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1925 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P4 | Output Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P41 | Triode | 1938 | | 
| CV1408 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1929 | | 
| CV3621 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1929 | | 
| B405 RE114 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Output Triode | 1928 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Output Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P425A | Output Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Output Pentode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P485 | Output Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Photomultiplier | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pulse Tetrode | 1946 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pulse Tetrode | 1946 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P57 | Pentode | | | 
| CV1466 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Output Triode | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P6 | Output Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1941 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1929 | | 
| CV3622 PM6 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P612 | Output Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P614 | Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Output Triode | 1928 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P625 | Triode | 1928 | | 
| CV1208 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P625A | Triode | 1928 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P633 | Triode Pentode | 1957 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1929 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
P788 | Rectifier HW | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Camera Tube (Image Orthicon) | 1957 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1924 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PA1 | Triode | 1932 | | 
| 054V 41MXP ACP1 LL4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1924 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1937 | | 
| CV3623 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triple Diode Triode | 1952 | | 
| 9AK8 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| UHF Triode | 1962 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1962 | | 
| 4DL4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1963 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PC95 | Triode | 1962 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| UHF Triode | 1961 | | 
| 4FY5 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Triode | 1960 | | 
| 7ES8 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PCC805 | Double Triode | 1960 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Triode | 1961 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Triode | 1953 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Triode | 1953 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Triode | 1957 | | 
| 7DJ8 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Triode | 1959 | | 
| 4021 7FC7 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PCE800 | Triode Beam Tetrode | | | 
| 30FL1 9GB8 LN339 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PCE82 | Triode Beam Tetrode | 1962 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1964 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1953 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PCF800 | Triode Pentode | 1959 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1963 | | 
| 8GJ7 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1962 | | 
| 9JW8 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1962 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PCF812 | Triode Beam Tetrode | 1970 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1953 | | 
| 9EA8 9U8 9U8A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1960 | | 
| 8HG8 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1960 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Heptode | 1964 | | 
| 9V9 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1960 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1959 | | 
| 13GC8 30PL1 LN319 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1968 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1968 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1955 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1954 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | | | 
| 15DQ8 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1961 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1961 | | 
| 14GW8 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Beam Tetrode | 1960 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Triode (Class B) | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1966 | | 
| 9ED4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Photocell | 1929 | | 
| CV584 GS56 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PE8 | Photocell | | | 
| VS18MO |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Voltage Stabiliser | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PF818 | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Pentode | 1964 | | 
| 16Y9 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PJ23 | Photocell | 1945 | | 
| 3554 4GSM 50CG 868 CE1 CMG32 G8 GS146 NU.1 PJ23 R59A WL735 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PK150 | Klystron | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Thyratron | 1954 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1968 | | 
| 35FN5 CV10783 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PL302 | Pentode | 1964 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1955 | | 
| 25E5 25F7 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1948 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1961 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1961 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1967 | | 
| 17KW6 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1969 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1970 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PL522 | Thyratron | 1955 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Beam Tetrode | | | 
| 12FB5 30P12 N369 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1966 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Solod State Replacement | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1951 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1951 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PL820 | Pentode | 1951 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1951 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1956 | | 
| 15CW5 30P18 N379 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1915 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PLL80 | Double Pentode | 1959 | | 
| 6HU8 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM04 | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM05 | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM07 | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM12 | Tetrode | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1932 | | 
| 218SG 220SG S215B S22 S24 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM12V | Tetrode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Bi-Grid | 1931 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1931 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1930 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1931 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1928 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1931 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1936 | | 
| CV3578 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1928 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1929 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1930 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM24C | Pentode | 1931 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM24D | Pentode | 1931 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM24E | Pentode | 1937 | | 
| CV3648 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM26 | Output Pentode | 1929 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM256 | Triode | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM256A | Triode | 1930 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1930 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Triode | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM2BA | Double Triode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1928 | | 
| 210D 210Det CV3645 L2/B L210 L2 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM3 | Triode | 1926 | B4 | 
| CV1151 NR15 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM3A | Triode | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM4 | Triode | 1925 | | 
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM5B | RCC Triode | 1927 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM5D | Triode | 1930 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM5X | Triode | 1927 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM6 | Triode | 1926 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM6D | Triode | 1929 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PM84 | Tuning Indicator | | B9A | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PN2 | Output Pentode | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Power2(Green Line) | Output Triode | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Power4(Green Line) | Output Triode | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Power6(Green Line) | Output Triode | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PP13A | Pentode | | | 
| 7D5 CV1425 N30 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PP2 | Pentode | 1936 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PP2018 | Output Pentode | 1932 | B7 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PP215 | Pentode | 1938 | B5 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PP222 | Pentode | 1935 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PP225 | Pentode | 1936 | B5 | 
| BL22 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PP24 | Pentode | 1937 | B7 | 
| |
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PP3521 | Triode | 1936 | B7 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PP36 | Pentode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PP4 | Pentode | 1936 | B5 | 
| |
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PP6E | Pentode | 1937 | B7 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PP6F | Pentode | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PR3 | Triode | 1928 | B4 | 
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT10 | Pentode | 1940 | B7 | 
| AC5/Pen CV2809 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT11 | Pentode | | | 
| CV3654 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT16 | Pentode | 1933 | B5 | 
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT2/K | Pentode | 1934 | B5 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT225 | Pentode | 1929 | B4 | 
| PM22 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT240 | Output Pentode | 1929 | | 
| D5062 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT25 | Pentode | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT25H | Pentode | 1934 | | 
| CV1046 VR46 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT2C | Pentode | | B5 | 
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT41 | Pentode | 1932 | | 
| PM24M PT4 PenA1 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT41B | Pentode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT235 | Pentode | 1929 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT425 | Pentode | 1929 | | 
| CV3656 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT4D | Double Diode Pentode | 1934 | B7 | 
| AC2/Pen/DD DDPP4B DN41 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT5 | Pentode | | | 
| CV3652 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT5E | Pentode | | | 
| CV3579 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT6 | Pentode | | | 
| ARP75 ATP75 CV1221 CV1371 CV3653 NT38 NT38A PZ1-75 PZ1/75 SW75Pen |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PT625 | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PTA | Pentode | 1934 | | 
| 75D CV1425 N30 PP13A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV05-15 | Pentode | | | 
| CV3657 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV1-35 | Pentode | | | 
| ATP35 CV1370 CV3658 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV100/2000 | Rectifier FW | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV2 | Triode | 1926 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV25 | Rectifier 2 x HW | 1938 | B7 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV29 | Rectifier 2 x HW | 1938 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV30 | Rectifier 2 x HW | 1937 | B7 | 
| CV3758 UR3C |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV3018 | Rectifier FW | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV30S | Rectifier 2 x HW | 1937 | | 
| CY2 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV4 | Rectifier FW | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV4018 | Rectifier 2 x HW | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV4100 | Rectifier FW | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV4200 | Rectifier FW | 1931 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV4201 | Rectifier FW | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV475 | Rectifier FW | 1930 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV495 | Rectifier FW | 1929 | B4 | 
| 506 DW2X TV80 U10 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV5DE | Triode | 1924 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV75/1000 | Rectifier FW | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PV8DE | Triode | 1925 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PVA6 | Rectifier FW | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PVB6 | Rectifier FW | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PVC6 | Rectifier FW | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PX2 | Output Triode | 1932 | | 
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PX25A | Triode | 1935 | | 
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PX5 | Triode | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PX650 | Output Triode | 1928 | | 
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PY31 | Rectifier HW | 1954 | IO | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PY32 | Rectifier HW | 1955 | IO | 
| PY33 U291 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PY33 | Rectifier HW | 1961 | IO | 
| PY32 U291 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PY500 | Rectifier HW | 1965 | | 
| 42EC4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PY500A | Rectifier HW | 1967 | B9D | 
| 42EC4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PY80 | Rectifier HW | 1950 | B9A | 
| 19X3 U152 U309 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PY800 | Rectifier HW | 1961 | B9A | 
| PY81 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PY801 | Rectifier HW | | B9A | 
| A61 U193 U349 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PY82 | Rectifier HW | 1951 | B9A | 
| 19Y3 U192 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PY83 | Rectifier HW | 1951 | B9A | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PY88 | Rectifier HW | 1958 | B9A | 
| 30AE3 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PZ1-35 | Pentode | | | 
| CV1240 NT65A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PZ1-75 | Pentode | | | 
| ARP75 CV1221 NT38A PT6 SW75Pen |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PZ1/75 | Pentode | | | 
| ATP75 CV1371 NT38 PT6 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PZ30 | Rectifier FW | 1948 | IO | 
| R14 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen1346 | Pentode | | | 
| CV3636 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen13C | Pentode | | | 
| 7D8 CV3635 Pen1340 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen141 | Pentode | 1939 | MO | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen20 | Pentode | 1932 | B7 | 
| |
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen22D | Pentode | | | 
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen24 | Pentode | 1938 | | 
| Pen25 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen25 | Pentode | 1938 | MO | 
| BVA162 CV65 Pen24 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen26 | Pentode | 1934 | Ct8 | 
| |
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen3820 | Pentode | 1938 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen383 | Pentode | 1938 | MO | 
| CV1456 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen4V | Output Pentode | 1931 | B7 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen40DD | Double Diode Pentode | 1939 | B7 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen40X | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen425 | Pentode | 1929 | | 
| 425Pen |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen428 | Pentode | | B7 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen42B | Pentode | 1937 | | 
| CV3634 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen44 | Pentode | 1939 | MO | 
| CV3630 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen45 | Pentode | 1938 | MO | 
| CV1407 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen453DD | Double Diode Pentode | 1938 | MO | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen45DD | Double Diode Pentode | 1938 | MO | 
| CV3631 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen4B | Pentode | | | 
| CV3626 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen4BA | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen4DD | Double Diode Pentode | 1937 | B7 | 
| CV519 DDPP4M |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Pen4VB | Pentode | 1933 | | 
| 7A3 AC2/Pen Pen/4VB |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PenA1 | Output Pentode | 1932 | | 
| PM24M |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PenB1 | Output Pentode | 1935 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PenB4 | Pentode | 1937 | B7 | 
| A70E |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
PenDD4020 | Double Diode Pentode | 1935 | B7 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Photocell | Photocell | | | 
| |
|
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Point One - LF | Triode | 1927 | | 
| 210LF 410LF 610LF |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Point One - Plain Top | Triode | 1926 | | 
| 210HL 410HL 610HL |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Point One - Red Top | Triode | 1926 | | 
| 210HF 410HF 610HF |
|