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Valve Types and Equivalents

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Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T10
Triode

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T140
Rectifier HW

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T15
Triode

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T20
Triode

UX4
CV3722

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T21
Beam Tetrode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T25D
Triode

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T307
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T31
Thyratron

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T311
Rectifier HW
1942

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T40
Triode

TZ40

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T41
Thyratron
1940
MO
CV1121 CV3723 VGT121

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T450
Triode
1919

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T4D
Diode

D1

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T50-1
Triode
1949
UX4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T5890-202
Cathode-Ray Tube
1966

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

T921Z

CV464

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TB24
Double Diode
1935
B5
2D4A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TB4320
Pentode
1936
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TC05/25
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TC05/25-01
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TD03-10
Triode

CV273 CV5956 DET22

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TD03-10F
Triode

CV2204

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TD3-12
Planar Triode

2C42 CV2932

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TD03-5
Triode
1954

CV352 CV354 CV354 DET23

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TD04-20
Triode

CV397 DET24

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TD05-12
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TD1-100
Triode

2C39A CV2516

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TD2
Triode
1927
B4
210LF L210 L2

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TD41
Double Diode Triode
1937

TDD4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TDD13C
Double Diode Triode
1935
B7
11D3 13DHA CV1419 DDT13 H4D HL/DD/1320

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TDD2A
Double Diode
1934
B5
AR10 CV1308 CV3726 HD24 L21/DD

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TDD4
Double Diode Triode
1933
B7
11A2 A23A AC/DDT AC/HL4DD AC/HLDD CV3727 DDT4 DDT4 DDT4160 DDT DT41 DT436 H4D MHD4 TBC14

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TE474
Pentode
1934
B5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TE5H20
Neon Indicator

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TE994
Triode
1934
B5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH13
Triode Hexode
1936

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH13C
Triode Hexode
1936

6AJ8 6C12 ECH81 X719

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH2
Triode Hexode
1939
B7
CV1410

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH21C
Triode Hexode
1936
B7
202STH

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH22C
Triode Hexode
1937
B7
TH2321 TH29 TH30C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH232
Triode Heptode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH2320
Triode Heptode
1936

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH2321
Triode Heptode
1938
B7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH233
Triode Heptode
1939
MO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH30C
Triode Hexode
1939
B7
302THA

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH4
Triode Hexode
1936
B7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH41
Triode Heptode
1939
MO
CV1411

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH4A
Triode Hexode
1938
B7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH4B
Triode Heptode
1938
B7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TH62
Triode Hexode
1939

ECH35

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ThS49
Thermal Delay Switch

IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TII
Rectifier HW

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TK24
Octode
1935
B7
AK2

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TL44
Pentode
1936

42MP/Pen 42OT AC2/Pen KT41 N41 PenA4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TM
Triode
1916
B4
R.

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TMA406
Graphecon
1970

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TP1340
Triode Pentode
1935
B9

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TP22
Triode Pentode
1934
B9
ARTP1 CV1344

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TP23
Triode Pentode
1937
B7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TP25
Triode Pentode
1938
MO
BVA172 CV1345

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TP26
Triode Pentode
1939
MO
CV3735

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TP2620
Triode Pentode
1934
B9

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Triode
Triode

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TS1
UHF Triode
1934

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TS1a
UHF Triode
1934

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TS4
Triode
1926
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TS41
Triode
1942

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TS6
UHF Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TSE4
Secondary Emission Valve
1938
B7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TSP4
Pentode
1936
B7
AC/SP3 ARP11

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TT10
Beam Tetrode
1954
813 C143 CV26 QY2-100

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TT100
Beam Tetrode
1970

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TT11
Beam Tetrode
1947
IO
CV1501 E1192 VT501

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TT12
Beam Tetrode

B9G
CV524

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TT15
Double Beam Tetrode

44A/160M CV415 CV4046

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TT16
Beam Tetrode

4-125A 4D21 CV2963

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TT20
Double Beam Tetrode

2B52 55B/200A 6252 6252 6850 AX9910 C1134 CV2799 CV5938 QQE03-20 QQV03-20A QQV03-20 RS1019 SRS4452

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TT21
Beam Tetrode

7623 CV8286

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TT22
Beam Tetrode

IO
7624

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TT23
Double Beam Tetrode

CV2466 CV5473 QQE02-5 QQV02-6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TT24
Double Beam Tetrode

CV2798 QQE03-12 QQV03-10 RS1029

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TT25
Double Beam Tetrode

AX9903 C178A C178A/5894 CV2797 CV424 CV5937 ML5894 QQE06-40 QQV06-40A RS1009 SRS4451

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TT4
Triode
1937
B5
AC/P CV1179 NR57

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TT4A
Triode
1939

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Tuneon
Tuning Indicator
1934

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Tunograph
Tuning Indicator
1933
B5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TV4
Tuning Indicator
1936
Ct8
CV1412 ME4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TV4A
Tuning Indicator
1938
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TV6
Tuning Indicator
1937
Ct8
EM1

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TX4
Triode Hexode
1936

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TY1-50
Power Triode

4304CB 834 CV1062 CV1288 DET12 NT58 VT62

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TY19
Double Beam Tetrode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TY2-125
Power Triode

B5F
CV1924

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TY3-250
Power Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TY4-350
Power Triode

833A CV635

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TY4-400
Power Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TY4-500
Power Triode
1957
5868

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TY4-500B
Power Triode

CV167

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TY6-5000A
Power Triode

5762 ACT30+D2572 BR191B CV3926

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TY7-6000A
Power Triode
1956

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TY7-6000W
Power Triode
1956

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TY86F
Rectifier EHT

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TYS5/2000
Power Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TYS5-3000
Power Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TZ05-20
Triode

3B/200B CV1047 VT47

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TZ20
Triode

UX4
CV3742

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

TZ40
Triode

UX4
CV1076 DA41 VT76

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Tetrode
Tetrode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Type 1
Bolometer

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Type 4
Bolometer

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Type 7
Bolometer

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Type A
Triode
1917

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