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Valve Types and Equivalents

    
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Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P.17C
Beam Tetrode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P1
Triode (Bright Emitter)
1922
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P12/250
Triode
1936
 
4XP AC044 LP4 PP3/250 PX4 S30C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P122
Helium-Neon Laser Tube
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P2 
Triode ( Cossor Bright Emitter)
1922
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P2
Triode (M-OV)
1930
B4
CV1246
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P2018
Triode
1934
B5
B2006 REN1822
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P2060
Pentode
1935
Ct8
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P215
Triode
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P220
Triode
1929
B4
AR5 CV3620
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P220A
Triode
1931
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P225
Pentode
1933
B5
p2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P240
Triode
1929
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P27/500
Triode
1937
B4
CV1040 DO24 PP5-400 PX25
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P3580
Pentode
1936
B7
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P41
Triode
1938
 
CV1408
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P410
Triode
1929
B4
CV3621
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P415
Triode
1928
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P425
Triode
1926
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P5283
Photomultiplier
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P535/1E
Pulse Tetrode
1946
B4A
715B CV398
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P552/1E
Pulse Tetrode
1946
B4A
5D21 CV427
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P57
Pentode
 
 
CV1466
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P6
Triode
1933
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P61
Triode
1941
MO
CV1066 VR66
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P610
Triode
1929
 
CV3622 PM6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P614
Triode
 
 
PM6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P615
Triode
1928
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P625
Triode
1928
 
CV1208
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P633
Triode Pentode
1957
 
ECL83
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P650
Triode
1929
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P788
Rectifier HW
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P807
Camera Tube (Image Orthicon)
1957
5820
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
P.A.1
Triode
 
B5
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PA.1
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PA1
Triode
1932
 
054V 41MXP ACP1 LL4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PA20
Triode
1936
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PA3
Triode
1924
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PA40
Triode
1937
B4
CV3623
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PABC80
Triple Diode Triode
1952
B9A
9AK8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PC86
UHF Triode
1962
B9A
4CM4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PC88
Triode
1962
B9A
4DL4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PC900
Triode
1963
B7G
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PC95
Triode
1962
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PC97
UHF Triode
1961
B7G
4FY5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCC189
Double Triode
1960
B9A
7ES8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCC805
Double Triode
1960
 
30L15
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCC806
Double Triode
1961
B9A
30L17
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCC84
Double Triode
1953
B9A
30L1 7AN7 B319 CV5191
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCC85
Double Triode
1953
B9A
9AQ8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCC88
Double Triode
1957
B9A
7DJ8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCC89
Double Triode
1959
B9A
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
 
 
30FL12
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCF200
Triode Pentode
1964
B10B
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCF80
Triode Pentode
1953
B9A
30C1 8A8 9A8 LZ319 LZ329
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCF800
Triode Pentode
1959
 
30C15
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCF801
Triode Pentode
1963
B9A
8GJ7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCF802
Triode Pentode
1962
B9A
9JW8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCF805
Triode Pentode
1962
B9A
30C18 7GV7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCF806
Triode Pentode
 
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCF808
Triode Pentode
 
B9A
30FL14
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCF812
Triode Beam Tetrode
 
 
30FL2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCF82
Triode Pentode
1953
B9A
9EA8 9U8 9U8A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCF84
Triode Pentode
 
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCF86
Triode Pentode
1960
B9A
8HG8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCF87
Triode Pentode
1960
B9A
30C17
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCH200
Triode Heptode
1964
B10B
9V9
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCL800
Triode Pentode
1960
B9A
16GK8 30PL13
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCL801
Triode Pentode
1959
B9A
13GC8 30PL1 LN319
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCL805
Triode Pentode
1968
B9A
PCL85
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCL805/85
Triode Pentode
1968
B9A
PCL805 PCL85
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCL82
Triode Pentode
1955
B9A
16A8 30PL12
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCL83
Triode Pentode
1954
B9A
CV5144 LN309
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCL84
Triode Pentode
 
B9A
15DQ8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCL85
Triode Pentode
1961
B9A
18GV8 PCL805
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCL86
Triode Pentode
1961
B9A
14GW8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PCL88
Triode Beam Tetrode
1960
B9A
30PL14 LN329
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PD220
Double Triode (Class B)
1933
B7
CV1118
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PD500
Triode
1966
B9D
9ED4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PE7B
Photocell
1929
CV584 GS56
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PE8
Photocell
 
 
VS18MO
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PER1
Triode
1926
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PET60
Voltage Stabiliser
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PF818
Pentode
 
 
30F5 30FS 7ED7 Z329
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PFL200
Double Pentode
1964
B10B
16Y9
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PJ23
Photocell
 
 
3554 4GSM 50CG 868 CE1 CMG32 G8 GS146 NU.1 PJ23 R59A WL735
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PK150
Klystron
 
 
CV150
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL105
Thyratron
1954
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL300
Pentode
1968
IO
35FN5 CV10783
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL302
Pentode
 
 
30P19 N389
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL33
Pentode
 
IO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL36
Pentode
1954
IO
25E5  25F7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL38
Pentode
1948
IO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL500
Pentode
1961
B9D
27GB5 PL504
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL504
Pentode
1961
B9D
27GB5 PL500
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL508
Pentode
1967
B9D
17KW6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL509
Pentode
1969
B9D
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL519
Pentode
1970
B9D
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL522
Thyratron
1955
 
5C22 CV2520 XH16-200
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL801
Beam Tetrode
 
B9A
12FB5 30P12 N369
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL802
Pentode
1966
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL81
Pentode
1951
B9A
21A6 CV5077 N152 N359
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL82
Pentode
1951
B9A
16A5 30P16 N154 N329
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL820
Pentode
1951
 
PL81
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL83
Pentode
1951
B9A
15A6 N153 N309
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PL84
Pentode
1956
B9A
15CW5 30P18 N379
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PLL80
Double Pentode
1959
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM04
Pentode
 
 
6BA6 EF93 W727
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM05
Pentode
 
 
6AK5 DP61 EF95
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM07
Pentode
 
 
6AM6 8D3 EF91
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM12
Tetrode
1927
 
215SG S21 S215A S215 SG215
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM12A
Tetrode
1932
B4
218SG 220SG S215B S22 S24
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM12M
Pentode
1933
B4
218VSG 220VS CV1041 S215VM VR41 VS24 VS2 W21/4 W21
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM12V
Tetrode
1932
 
215VSG 220VSG VS2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM14
Tetrode
1927
B4
CV1158 CV1159 NR22 NR23 S410
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM16
Tetrode
1927
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM1A
Triode
1927
B4
210RC H2 H210 SS210RC
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM1DG
Bi-Grid
1931
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM1HF
Triode
1926
B4
AR4 CV1303 HL210
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM1HL
Triode
1931
B4
210HL CV3641 HL210 HL2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM1LF
Triode
1926
B4
210LF CV3642 L210
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM2
Triode
1926
B4
220P CV1019 NR28 P215 VR19
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM2A
Triode
1930
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM202
Triode
1931
B4
220SP CV185 P220A P2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM22
Pentode
1928
B4
220PT 230HPT 230Pen CV3649 PT225 PT240 Pen220A Pen230
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM22A
Pentode
1931
B5
220HPT 220OT 220Pen CV3647 KT2 PT2 Pen220 PenB1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM22D
Pentode
1936
B5
CV3578
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM24
Pentode
1928
B5
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM24A
Pentode
1929
B5
CV1167 NR43
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM24B
Pentode
1930
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM24C
Pentode
1931
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM24D
Pentode
1931
 
CV1237
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM24E
Pentode
1937
 
CV3648
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM24M
Pentode
1932
B5
CV1181 PT4 PenA1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM252
Triode
1927
B4
230XP 240SP P240 SS230SP SS240SP
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM254
Triode
1927
B4
CV1153 CV1154 NR16 NR16A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM2A
Triode
1930
B4
220PA CV3643 LP2 P220
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM2B
Double Triode
1933
B7
220B B230 CB215 HB2 K33A PD220
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM2BA
Double Triode
1934
 
CV1163 NR35
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM2DX
Triode
1928
B4
210D 210Det CV3645 L2/B L210 L2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PM2HL
Triode
1938
B4
210HL CV1050 HL2K K30K VT50
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:
PM4DX
Triode
1928
B4
410LF CV1151 CV1152 L410 NR15A NR16A
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
 
 
 
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
 
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
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PP24
Pentode
1937
B7
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PP3/250
Triode
1932
B4
4XP AC044 CV1168 LP4 P12/250 PX4 S30C S30G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PP35
Pentode
1935
B7
7D6 C70D Pen3520 Pen36C Pen383
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PP3521
Triode
1936
 
7D6 C70D Pen3520 Pen36C Pen383
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PP4
Pentode
1936
B5
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PP5/400
Pentode
1931
B4
DO24 P27-500 PX25
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PP60
Beam Tetrode
1939
 
CV1075 EL37 KT66 VT75
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:
PT15
Beam Tetrode
 
B5
CV1104 VT104
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PT16
Pentode
1933
B5
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PT2
Pentode
1931
B5
220OT ARP1 KT2 PM22A Pen220 PenB1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PT225
Pentode
1929
B4
PM22
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:
PT4
Pentode
1931
B5
42MP/Pen 7A3 A70C A70D AC/Z AC2/Pen APP4B CV1181 KT41 N41 Pen4VB PenA4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PT41
Pentode
1932
 
PM24M PT4 PenA1
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
 
 
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
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PV3018
Rectifier FW
1934
 
 
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:
PX25
Triode
1932
B4
CV1040 DO24 NR47 P27-500 PP5/400 PP6/400 VR40
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PX4
Triode
1929
B4
4XP AC044 CV1168 LP4 NR44 P12/250 P460 PP3/250 S30C S30G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PX5
Triode
1937
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PY301
Rectifier HW
 
IO
19CS4 U191 U339
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
1967
 
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:
PY81
Rectifier HW
1951
B9A
17Z3 PY800 U153 U329
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:
Pen/4VA
Pentode
 
 
7A2 A70B AC/Pen APP4A CV1174 KT42 MKT4/7 MP/Pen N40 P4VA
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Pen/4VB
Pentode
 
 
7A3 AC2/Pen
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Pen1340
Pentode
1935
B7
7D6 7D8 ARP9 C70D CV889 CV1327 CV3635 PP35 Pen13C Pen36C Pen383
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:
Pen220
Pentode
1931
B5
220HPT 220OT KT2 PM22A PP2 PT2 PenB1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Pen220A
Pentode
1931
B5
220PT CV1051 VT51
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Pen22D
Pentode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Pen231
Pentode
1936
B5
ARP18 CV1334 CV3633 KT21
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:
Pen3520
Pentode
1935
B7
7D6 C70D PP35 Pen383
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Pen36C
Pentode
1935
B7
7D6 C70D CV1672 PP35 Pen3520 Pen383
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Pen383
Pentode
1938
MO
7D6 C70D CV1456 PP35 Pen3520 Pen36C
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:
Pen46
Pentode
1940
MO
CV1127 VT127
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:
Pen4VA
Pentode
1933
B5
7A2 A70B AC/Pen APP4A CV1174 KT42 MKT4/7 MP/Pen N40 P4VA
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Pen4VB
Pentode
1933
 
7A3 AC2/Pen
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Pen4VA 
Pentode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PenA1
Pentode
1932
 
PM24M
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
PenA4
Pentode
1937
B7
4066A 420T 42MP/Pen 7A2 7A3 A70C A70D AC2/Pen APP4B ARP10 ARP25 CV1181 CV3638 KT41 N41 NR59 OP42 PT4 Pen4VB TL44
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 - Det & LF
Triode
1927
B4
210LF 410LF 610LF
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Point One - HF
Triode
1927
B4
210HF 410HF 610HF
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Point One - HF & Det
Triode
1927
B4
210HL 410HL 610HL
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 - RC
Triode
1927
B4
210RC 410Rc 610RC
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Point One - Red Top
Triode
1926
 
210HF 410HF 610HF
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