Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S08 | Triode | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Thyratron | 1941 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Thermal Switch | 1958 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Thermal Switch | 1958 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Beam Tetrode | 1959 | |
| 7971 CV4060 CV8077 L.5B/280K |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S12 | Midget Pentode | 1938 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Voltage Stabiliser | 1935 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S130A | Voltage Stabiliser | | | | CV3694 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Voltage Stabiliser | | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S19G6 | Rectifier HW | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Rectifier HW | 1961 | |
| CV4042 L.2S/280F |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1932 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Beam Tetrode | | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Thermal Delay Switch | | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1929 | | | CV3695 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S215A | Tetrode | 1931 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S215B | Tetrode | 1931 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S215VM | Tetrode | 1932 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1935 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S22AF | Heil Tube | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1933 | |
| CV3691 CV3692 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1919 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1931 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S22AF | Tetrode | 1931 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S24 | Tetrode | 1933 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S27A | Triode | | | | CV82 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S2P20 | Beam Tetrode | 1960 | |
| 7973 CV4097 L.5A/220K |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S2P21 | Beam Tetrode | 1962 | |
| L.5A/221K |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1929 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S410N | Tetrode | 1929 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Camera Tube | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Camera Tube | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Camera Tube | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Camera Tube | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1933 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1933 | |
| |
|
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: |
| Pentode | 1930 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Camera Tube | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 2012 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S610 | Tetrode | 1929 | |
| CV3698 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1927 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S6F12 | Pentode SQ EF91 | 1958 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1961 | |
| CV4040 L.5A/210K |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
S6F17F | Beam Tetrode | 1961 | |
| CV4041 L.5A/210F L.5A/210G |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1961 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Corona Voltage Stabiliser | 1959 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Corona Voltage Stabiliser | 1956 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Corona Voltage Stabiliser | 1956 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Corona Voltage Stabiliser | | | | CV5844 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Cathode-Ray Tube | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SD | Diode | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SD1033 | Noise Diode | 1955 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1929 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Diode | 1934 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SD3 | Triode | 1933 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Diode Tetrode | 1933 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Diode | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Rectifier HW | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SD61 | Diode | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Photocell | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1917 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| VM RF Tetrode | 1936 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SF21A | Cathode-Ray Tube | 1958 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Flash Tube | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SG2 | RF Tetrode | 1932 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1932 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SG207 | RF Tetrode | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1927 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1928 | |
| CV3702 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1927 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1935 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SG250 | Tetrode | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1932 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SG410 | Tetrode | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SG610 | Tetrode | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Thermal Delay Switch | 1946 | |
| CV342 DLS19VLS631 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Solid State 5Z4 | | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SK60 | Photocell | 1937 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SN4 | Strobotron | | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1928 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP-16 Red+A4237 | Triode | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1925 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1926 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1925 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1925 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1927 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1934 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP1320 | Pentode | 1934 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1935 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP141 | Pentode | 1939 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP18(Blue Spot) | RCC Triode | 1926 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP18(Green Spot) | RF Triode | 1926 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP18(Red Spot) | Output Triode | 1926 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1940 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1934 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1933 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP210 | Pentode | 1936 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1934 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1938 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1933 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP2220 | Pentode | 1936 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP25 | Beam Tetrode | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1938 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1933 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| HF Pentode | 1935 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1938 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Rectifier HW | 1927 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1938 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Rectifier FW | 1927 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP43/U | Rectifier HW | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP45/U | Rectifier HW | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1935 | |
| CV3703 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP55(Blue Spot) | RF/RCC Triode | 1926 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP55(Red Spot) | Output Triode | 1926 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP55B | Triode | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP6 | Pentode | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1941 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SP610/G | Triode | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Triode SQ 12AX7 | | |
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Special | Triode | 1923 | B4 | | |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SPT2 | Pentode | | | | 210SPT SP2 Z22 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SPTA | Pentode | 1936 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS | Triode | | B4 | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS10 | Triode | 1926 | | | PM2 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS11 | Triode | 1926 | | | PM6 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS11A | Triode | 1927 | | | PM256 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS12 | Triode | 1927 | | | PM5X |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS13 | Triode | 1927 | | | PM5B |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS210D | Triode | 1931 | | | PM2DX |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS210DDT | Triode | 1934 | | | TDD2A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS210DG | Triode | 1931 | | | PM1DG |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS210HL | Triode | 1933 | | | PM1HL |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS210RC | Triode | 1928 | B4 |
| PM1A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS215P | Triode | 1928 | B4 | | PM2 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS215SG | Tetrode | 1929 | | | PM12 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS215VSG | Pentode | 1932 | | | PM12M |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS217D | Triode | 1930 | | | PM2DX |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS218HP | Pentode | 1934 | | | SP2 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS218SG | Tetrode | 1928 | | | PM12A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS218VP | Pentode | 1934 | | | VP2 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS218VSG | Pentode | 1932 | | | PM12M |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS220B | Triode | 1933 | | | PM2B |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS220P | Triode | 1929 | | | PM2 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS220PA | Triode | 1931 | | | PM2A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS220Pen | Pentode | 1932 | | | PM22A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS220SP | Triode | 1931 | | | PM202 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS225D | Triode | 1929 | | | PM2DX |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS230Pen | Pentode | 1928 | | | PM22 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS230PP | Pentode | 1928 | | | PM22 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS240SP | Triode | 1931 | | | PM252 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS2AHF | Triode | 1926 | | | PM1HF |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS2ALF | Triode | 1926 | | | PM1LF |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS2HF | Triode | 1926 | | | D.3HF |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS3HF | Triode | 1926 | | | DE3B |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS3LF | Triode | 1926 | | | PM4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4 | Triode | 1926 | | | DFA1 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4075HF | Triode | 1928 | | | PM3 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4075RC | Triode | 1928 | | | PM3A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4075SG | Tetrode | 1928 | | | PM14 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS410D | Triode | 1929 | | | PM4DX |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS410P | Pentode | 1928 | | | PM4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS415PP | Pentode | 1928 | | | PM24 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS420SP | Triode | 1928 | | | PM254 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS425SP | Triode | | | | PM254 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4DAC | Triode | 1929 | | | 164V |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4DDTAC | Double Diode Triode | 1933 | | | TDD4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4DetAC | Triode | 1930 | | | 164V |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4DGAC | | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4DXAC | Triode | 1931 | | | 904V |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4GPAC | Triode | 1930 | | | 354V |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4HLAC | Triode | 1933 | | | 224V |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4LAC | Triode | 1931 | | | 164V |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4MMAC | Tetrode | 1932 | | | MM4V |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4PAC | Triode | 1929 | | | 104V |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4Pen | Pentode | 1929 | | | PM24A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4PenAAC | Pentode | 1933 | | | Pen4VA |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4PenAC | Pentode | 1931 | | | Pen4V |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4PenM | Pentode | 1932 | | | PM24M |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4PenSP | Pentode | 1931 | | | PM24A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4SGAC | Tetrode | 1929 | | | S4V |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4SPAC | Triode | 1931 | | | 054V |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4VMAC | Tetrode | 1932 | | | VM4V |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4XSGAC | Tetrode | 1930 | | | S4VA |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS4YSGAC | Tetrode | 1930 | | | 4YSGAC S4VB |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS501 | Flash Tube | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS6 | Triode | 1926 | | | DFA4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS6075HF | Triode | 1928 | | | PM5X |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS6075RC | Triode | 1928 | | | PM5B |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS6075SG | Tetrode | 1929 | | | PM16 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS610D | Triode | 1929 | | | PM6D |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS610P | Triode | 1928 | | | PM6 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS617PP | Pentode | 1929 | | | PM26 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS625SP | Triode | 1928 | | | PM256 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS625SPA | Triode | 1930 | | | PM256A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS7 | Triode | 1927 | | | PM4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS7A | Triode | 1927 | | | PM254 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS8 | Triode | 1928 | | | PM3 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SS9 | Triode | 1926 | | | PM5 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SSHP1AC | Pentode | 1933 | | | SP4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SSHP2AC | Pentode | 1933 | | | VP4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SSHV4/1 | Triode | 1931 | | | AC064 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SSHV4/2 | Triode | 1931 | | | AC044 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SSHV6/5 | Triode | 1930 | | | D025 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SSIH120/350 | Rectifier FW | | | | IW3 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SSIH60/250 | Rectifier FW | | | | IW3 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SSU465 | Rectifier FW | | | | DW4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SSU765 | | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SSW120/350 | Rectifier FW | | | | DW3 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SSW120/500 | Rectifier FW | | | | DW4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SSW432 | Rectifier FW | | | | DW1 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SSW462 | Rectifier FW | | | | DW2 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SSW60/250 | Rectifier FW | | | | IW2 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST11 | Voltage Stabiliser | | B4 |
| CV1070 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST21 | Triode | 1926 | | | PM1HF |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST21A | Triode | 1926 | | | PM1A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST22 | Triode | 1926 | | | PM1LF |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST23 | Triode | 1926 | | | PM2 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST4 | Rectifier FW | | | | CV1846 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST41 | Triode | 1926 | | | PM3 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST41A | Triode | 1926 | | | PM3A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST42 | Pentode | 1926 | | | PM4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST43 | Triode | 1926 | | | PM254 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST61 | Triode | 1926 | | | PM5 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST61A | Triode | 1926 | | | PM5B |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST61B | Triode | 1926 | | | PM5X |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST62 | Triode | 1926 | | | PM6 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ST63 | Triode | 1926 | B4 |
| PM256 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
STR4B32 | Rectifier HW (Silicon) | | |
| 4B32 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
StR100/80 | Voltage Stabiliser | 1965 | B9A |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
StR108/30 | Voltage Stabiliser | | B7G |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
STV100/60Z | Voltage Stabiliser | 1957 | B4 |
| 100/60Z |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
STV100/60Z2 | Voltage Stabiliser | 1957 | | | 100/60Z |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
STV140/60Z | Voltage Stabiliser | | | | LK121 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
STV150/200 | Voltage Stabiliser | | B5 |
| CV3709 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
STV150/30 | Voltage Stabiliser | | | | 0A2 150C2 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
STV280/80 | Voltage Stabiliser | 1936 | B5 |
| CV1069 G280/2B NS1 VS69 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
STV280/80A | Voltage Stabiliser | | | | CV3712 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
STV70/60 | Voltage Stabiliser | | | | CV1895 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
STV75/15 | Voltage Stabiliser | | | | |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Stentor Four | Triode | 1927 | B4 | | 410P |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Stentor Six | Triode | 1927 | B4 | | 610P |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SU2130 | Rectifier HW | 1937 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SU2150 | Rectifier HW | 1937 | B4 | | |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SU2150P | Rectifier HW | | B4 | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SU25 | Rectifier HW | | IO | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SU41 | Rectifier HW | | | | CV1133 V960 VU133 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SU42 | Rectifier EHT | | IO | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SU45 | Rectifier HW | | | | 19G6 CV371 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SU6 | Rectifier HW | 1928 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SU61 | Rectifier HW | 1951 | |
| 6X2 EY51 R12 U151 U43 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SU750 | Rectifier HW | | | | CV128 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Screen Grid | RF Tetrode | 1927 | | | |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Sodion A | Triode | | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Sodion S-13 | Triode | 1923 | | | |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Super-Power | Rectifier FW | | | | 85-mills |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SW75Pen | Pentode | | | | ARP75 CV1221 NT38A PT6 PZ1-75 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SX-226 | Triode | | UX4 | | |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SY11 | Klystron | 1960 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SY30 | Klystron | 1957 | |
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SZ22 | Klystron | 1961 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SZ50 | Klystron | 1963 | |
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
SZ53 | Reflex Klystron | 1963 | |
| |
|