Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1930  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1952  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U118  Rectifier HW  1947    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U119  Rectifier HW     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U120/500  Rectifier HW  1930    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1931  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1939  
 AU4 CV1064 CV1796 DW4500 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: 
 Rectifier HW  1947  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1949    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U145  Rectifier HW  1947    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1950    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1950  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1934    AU12 CV1266 CV3747 NU13 RZ1250 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U15(HV)  Rectifier HW     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U150  Rectifier FW     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U151  Rectifier HW  1952    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U152  Rectifier HW     19X3 PY80 U309 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1953  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U154  Rectifier HW     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1933  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1936  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U18  Rectifier HW  1936    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1939  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1947  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U19/23  Rectifier HW  1948    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW   
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U192  Rectifier HW     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1960  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1960  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U20  Rectifier FW  1939    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1948  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1937  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1939  
 AU8 CV1356 CV1461 CV3750 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier  1948  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1948  
 CV1921 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier EHT   
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Efficiency Diode   
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier EHT   
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U27  Rectifier HW     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Efficiency Diode  1950    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Efficiency Diode     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW   
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1925    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1934  
 CV3752 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U30/250  Rectifier HW  1929    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1953  
 CY30 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1937  
 25Z4 CV3753 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1953  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW   
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier EHT     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U349  Rectifier HW     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier EHT     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier EHT  1950  
 1T2 CV2289 CV4061 R16 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1954  
 38A3 U119 UY85 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U4  Rectifier HW  1926    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1934  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1938  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1947  
 U118 U145 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U41  Rectifier EHT     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U43  Rectifier HW  1954    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U45  Rectifier EHT     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U47  Rectifier EHT     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U49  Rectifier EHT     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U4B  Rectifier     CV141 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1926    CV3743 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1937  
 5Y3G 5Y3G/GT CV1268 CV3754 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1938  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U54  Rectifier FW     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U6  Rectifier HW     CV3744 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier EHT     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    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1930    

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     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1939    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U709  Rectifier FW     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U71  Rectifier HW  1939    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U718  Rectifier FW     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1945    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U75/300  Rectifier HW  1929    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1946  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1952  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1928    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1950    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1950    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U82  Rectifier HW  1948    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1947    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
U9  Rectifier FW  1929    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode  1932    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Double Beam Tetrode  1947    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triple Diode Triode  1952  
 10LD12 28AK8 DH109 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
UAF41  Diode Pentode  1948    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Diode Pentode  1948  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Double Diode   
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Double Diode Triode  1949  
 10LD3 141DDT 14L7 DH118 DH142 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Double Diode Triode  1954  
 10LD13 DH119 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Double Diode Pentode  1939  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Double Diode Pentode  1950  
 171DDP 17C8 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Double Diode Pentode  1956  
 10FD12 19FL8 WD119 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Double Diode Pentode  1941  
 UBL71 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode  1952  
 9AB4 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Double Triode  1954  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Double Triode  1954  
 10L14 26AQ8 B109 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode Pentode  1958  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode Heptode  1939  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode Heptode  1941  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode Heptode  1948  
 141TH 14K7 X142 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode Heptode  1953  
 10C14 19D8 X119 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
UCL81  Triode Pentode  1949    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode Pentode  1956  
 10PL12 50BM8 LN119 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode Pentode  1955  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode  1927    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
UD41  Voltage Doubler  1937    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
UE311  Triode     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Pentode  1947  
 121VP 12AC5 W142 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Pentode  1947  
 Z142 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Pentode  1953  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Pentode     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Pentode     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Pentode  1955  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Pentode  1947  
 451PT 45A5 CV1977 MUL41 N142 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
UL42  Pentode  1948    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Pentode  1948  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Pentode  1951  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Pentode  1955  
 10P18 45B5 N119 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
ULL80  Double Pentode  1959    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Tuning Indicator  1940  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Tuning Indicator  1940  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
UM34  Tuning Indicator     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Tuning Indicator  1954  
 19BR5 Y119 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode  1922  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode  1929    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1934  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW  1935  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1934  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1935  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
UR30  Rectifier HW  1963    CV5225 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1935  
 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    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
UU10  Rectifier FW     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1954  
 

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    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1931  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
UU2  Rectifier FW  1930    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1934    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
UU30/250  Rectifier FW  1931    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1936  
 

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: 
UU6  Rectifier FW  1938  MO 
 CV1413 


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: 
UX222  BiGrid  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 G27 PH227 PU027 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
UY227  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: 
UY224  Tetrode  1929  UY   124 224 24 F242 FY224 G24 MY224 PU024 SY224 UY224 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
UY224  Tetrode  1929    124 224 24 F242 FY224 G24 MY224 PU024 SY224 UY224 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
UY31  Rectifier HW  1940    


Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
UY85  Rectifier HW  1954  B9A 
 38A3 U119 U381 
