▼ Menu

Valve Types and Equivalents

    
Extras ▼
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U10
Rectifier FW
1930
B4
1821 506BU CV1443 DW2 R1 UU5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U101
Rectifier HW
 
B8B
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U107
Rectifier HW
1952
B7G
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U118
Rectifier HW
1947
 
U145 U404
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U119
Rectifier HW
 
 
38A3 U381 UY85
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U120/500
Rectifier HW
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U12
Rectifier FW
1931
B4
43IU DW4-350 R2 R3 R4 RV120/500 U14 UU5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U12/14
Rectifier FW
1939
B4
AU4 CV1064 CV1796 DW4-500 DW4/350 NU3 R4 UU120/350 VU64
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U134
Rectifier 2 x HW
1939
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U14
Rectifier FW
1931
B4
1561 43IU 442BU 460BU DW3 DW4 DW4-500 R2 R3 R4 R42 RV120/350 RV120/500 S11D UU5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U142
Rectifier HW
1947
B8A
311SU 31A3 UY41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U143
Rectifier FW
1949
IO
AZ31 CV2862
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U145
Rectifier HW
1947
 
U118 U404
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U147
Rectifier FW
1950
IO
6X5GT EZ35 U70
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U149
Rectifier HW
1950
B8B
7Y4 U82
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U15
Rectifier HW
1934
L4
AU12 CV1266 CV3747 NU13 RZ1-250
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U15(HV)
Rectifier HW
 
 
CV1266
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U150
Rectifier FW
 
 
EZ40 UU9
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U151
Rectifier HW
1952
 
6X2 EY51 R12 SU61 U43
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U152
Rectifier HW
 
 
19X3 PY80 U309
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U153
Rectifier HW
1953
B9A
17Z3 PY81 U153 U329
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U154
Rectifier HW
 
 
19SU 19Y3 PY82 U192 U319
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U16
Rectifier HW
1933
B4
HVR1 SU2150
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U17
Rectifier HW
1936
B4
AU4 CV1113 NU18 VU113
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U18
Rectifier HW
1936
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U18/20
Rectifier FW
1939
B4
4/100BU 45IU AU1 CV31 CV1264 FW4-500 FW4-800 NU12 RV200/600
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U19
Rectifier HW
1947
B4
CV187 CV1508 U23 V1913 VU508
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U19/23
Rectifier HW
1948
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U191
Rectifier HW
 
IO
19CS4 PY301 U339
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U192
Rectifier HW
 
 
19SU 19Y3 PY82 U154 U319
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U193
Rectifier HW
1960
B9A
A61 PY801 U349
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U193/PY801
Rectifier HW
1960
B9A
A61 PY801 U349
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U20
Rectifier FW
1939
 
CV31 FW4-800
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U201
Rectifier HW
1948
IO
CY31
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U21
Rectifier HW
1937
B4
CV3751 SU2150
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U22
Rectifier HW
1939
MO
AU8 CV1356 CV1461 CV3750
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U23
Rectifier
1948
B4
CV235
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U24
Rectifier HW
1948
IO
CV1921
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U25
Rectifier EHT
 
2L2 KY50 U47
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U251
Efficiency Diode
 
B9A
U329
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U26
Rectifier EHT
 
B9A
2J2 KY80 R20 U49
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U27
Rectifier HW
 
 
19G/12 2T/360B AU5 CV1111 R11 V1907 VU111
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U281
Efficiency Diode
1950
IO
CY31 OM1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U282
Efficiency Diode
 
IO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U291
Rectifier HW
 
IO
PY32 PY33
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U3
Rectifier HW
1925
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U30
Rectifier FW
1934
B7
CV3752
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U30/250
Rectifier HW
1929
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U301
Rectifier HW
1953
IO
CY30
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U31
Rectifier HW
1937
IO
25Z4 CV3753
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U319
Rectifier HW
1953
B9A
19Y3 PY82 U192
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U329
Rectifier HW
 
B9A
PY81 U251
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U33
Rectifier EHT
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U339
Rectifier HW
 
IO
19CS4 PY301 U191
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U349
Rectifier HW
 
 
A61 PY801 U193
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U35
Rectifier EHT
 
IO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U37
Rectifier EHT
1950
1T2 CV2289 CV4061 R16
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U381
Rectifier HW
1954
B9A
38A3 U119 UY85
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U4
Rectifier HW
1926
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U4020
Rectifier HW
1934
B5
1D5 40SUA C10B CV764 CV1267 ID5 RZ UR1C V20
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U403
Rectifier HW
1938
MO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U404
Rectifier HW
1947
B8A
U118 U145
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U41
Rectifier EHT
 
 
1B3GT CV2115
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U43
Rectifier HW
1954
 
6X2 CV426 EY51 R12 SU61
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U45
Rectifier EHT
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U47
Rectifier EHT
 
 
2L2 KY50 U25
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U49
Rectifier EHT
 
 
2J2 KY80 R20 U26
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U4B
Rectifier
 
 
CV141
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U5
Rectifier FW
1926
B4
CV3743
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U50
Rectifier FW
1937
IO
5Y3G 5Y3G/GT CV1268 CV3754
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U52
Rectifier FW
1938
IO
5U4G CV575 CV1071 CV1575 GZ31 VU71
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U54
Rectifier FW
 
 
53KU GZ33 GZ37
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U6
Rectifier HW
 
 
CV3744
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U60
Rectifier EHT
 
IO
CV4075
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U60/500
Rectifier HW
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U600
Tungar Rectifier
1960
 
68530 CV3756
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U625
Rectifier HW
1930
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U650
Rectifier HW
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U65/550
Rectifier HW
1929
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U7
Rectifier
 
 
CV147 CV149
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U70
Rectifier FW
1939
IO
6X5G/GT 6X5GT 6X5G EZ35 U147
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U709
Rectifier FW
 
 
6CA4 CV3996 EZ81 UU12
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U71
Rectifier HW
1939
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U718
Rectifier FW
 
 
6BT4 EZ40 U150 UU9
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U74
Rectifier FW
1945
 
35Z4GT U76
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U75/300
Rectifier HW
1929
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U76
Rectifier FW
1946
IO
35Z4GT U74
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U78
Rectifier FW
1952
B7G
6063 6X4 CV493 CV4005 EZ90
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U8
Rectifier FW
1928
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U801
Rectifier HW
1950
IO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U81
Rectifier FW
1950
B8B
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U82
Rectifier HW
1948
 
7Y4 CV3919 U149
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U84
Rectifier FW
1947
B8B
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U9
Rectifier FW
1929
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
U920
Triode
1932
B5
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UA-55
Double Beam Tetrode
1947
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UABC80
Triple Diode Triode
1952
B9A
10LD12 28AK8 DH109
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UAF41
Diode Pentode
 
 
12S7 UAF42 WD142
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UAF42
Diode Pentode
1948
B8A
12S7 WD142
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UB41
Double Diode
 
B8A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UBC41
Double Diode Triode
1949
B8A
10LD3 141DDT 14L7 DH118 DH142
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UBC81
Double Diode Triode
1954
B9A
10LD13 DH119
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UBF11
Double Diode Pentode
1939
Footless
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UBF80
Double Diode Pentode
1950
B9A
171DDP 17C8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UBF89
Double Diode Pentode
1956
B9A
10FD12 19FL8 WD119
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UBL21
Double Diode Pentode
1941
B8B
UBL71
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UC92
Triode
1952
B7G
9AB4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UCC84
Double Triode
1954
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UCC85
Double Triode
1954
B9A
10L14 26AQ8 B109
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UCF80
Triode Pentode
1958
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UCH11
Triode Heptode
1939
Footless
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UCH21
Triode Heptode
1941
B8B
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UCH42
Triode Heptode
1949
B8A
141TH 14K7 X142
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UCH81
Triode Heptode
1953
B9A
10C14 19D8 X119
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UCL81
Triode Pentode
1949
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UCL82
Triode Pentode
1956
B9A
10PL12 50BM8 LN119
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UCL83
Triode Pentode
1955
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UD2
Triode
1927
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UD41
Voltage Doubler
1937
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UE311
Triode
 
 
211 242C 4242A CV25 ES85
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UF41
Pentode
1947
B8A
121VP 12AC5 W142
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UF42
Pentode
1947
B8A
Z142
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UF80
Pentode
1953
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UF85
Pentode
 
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UF86
Pentode
 
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UF89
Pentode
1955
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UHF Triode
Triode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UL41
Pentode
1947
B8A
451PT 45A5 CV1977 MUL41 N142
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UL44
Pentode
1948
B8A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UL46
Pentode
1951
B8A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UL84
Pentode
1955
B9A
10P18 45B5 N119
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
ULL80
Double Pentode
1959
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UM11
Tuning Indicator
1940
Footless
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UM4
Tuning Indicator
1940
IO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UM34
Tuning Indicator
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UM80
Tuning Indicator
1954
B9A
19BR5 Y119
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Universal
Triode
1922
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Universal Bivolt
Triode
1929
B4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
Unknown
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UR1
Rectifier HW
1934
Ct8
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UR1C
Rectifier HW
1935
B5
1D5 40SUA C10B RZ U4020
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UR2
Rectifier FW
1934
Ct8
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UR3
Rectifier FW
1935
Ct8
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UR30
Rectifier HW
1963
 
CV5225
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UR3C
Rectifier FW
1935
B7
CV3758
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UR40
Rectifier HW
1963
 
CV5226
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UR41
Rectifier HW
1963
 
CV6092
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UR42
Rectifier HW
1963
 
CV6119
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UR45
Rectifier HW
1963
 
CV4116
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU10
Rectifier FW
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU12
Rectifier FW
1954
B9A
6CA4 CV5072 EZ81 U709
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU120/250
Rectifier FW
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU120/350
Rectifier FW
1930
 
CV1796 DW4/350 R4 U12/14
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU120/500
Rectifier FW
1931
B4
R3 UU5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU2
Rectifier FW
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU3
Rectifier FW
1934
B4
IW4-350 R2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU30/250
Rectifier FW
1931
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU4
Rectifier FW
1936
B4
1867 CV3759 IW4-350 MU12 MU14 R2 R42
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU41
Rectifier FW
1930
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU42
Rectifier FW
1934
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU43
Rectifier FW
1934
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU5
Rectifier FW
1936
B4
1561 1821 1867 1867 43IU 441U 442BU 460BU 506BU A11B A11C A11D APV4 APV4 CV1039 CV3760 DW2 DW4-350 DW4-500 IW4-350 IW4-500 MU12 MU14 R1 R2 R3 R42 R4A U10 U12 U14 UU120/350 UU120/500 UU60/250
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU6
Rectifier FW
1938
MO
CV1413
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU60/250
Rectifier FW
1929
B4
R2 R42 UU5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU7
Rectifier FW
1938
MO
CV3761
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU8
Rectifier FW
1939
MO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UU9
Rectifier FW
1948
B8A
66KU 6BT4 CV1855 EZ40 U150 U718
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UV201
Triode
1920
 
201
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UV201A
Triode
1922
 
201A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UVV4A
Photocell
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UX112A
Triode
1937
UX4
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UX201A
Triode
1922
UX4
201A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UX222
Bi-Grid
1927
UX4
222 57T222 CX322 SX222 x222
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UX281
Rectifier HW
1928
UX4
281 AC81
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UY227
Triode
1927
 
127 227 27 427 AY225 AY227 C327 F209A G-27 PH227 PU027
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UY-227
Triode
1927
UY
UY227
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UY1N
Rectifier HW
1941
IO
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UY21
Rectifier HW
1941
B8B
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UY-224
Tetrode
1929
UY
124 224 24 F242 FY224 G-24 MY224 PU024 SY224 UY224
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UY224
Tetrode
1929
 
124 224 24 F242 FY224 G-24 MY224 PU024 SY224 UY-224
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UY31
Rectifier HW
1940
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UY41
Rectifier HW
1947
B8A
311SUA 311SU 31A3 U142
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
UY85
Rectifier HW
1954
B9A
38A3 U119 U381
Use browser back button to return.