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CV1264 / NU12 fullwave rectifier

Size This valve measures 140x50mm overall and has a B4 base.

 

Filament voltage 4V
Filament current 3.2A
Max applied RMS voltage 500V
Max working PIV 1200V
Max no load PIV 1500V
Max mean anode current 250mA
Max peak anode current 750mA
Max reservoir capacitor 4µF
Max limiting resistance 200 ohms

 

Pin Function
1 Anode '
2 Anode "
3 Filament
4 Filament
CV1264
NU12
NU12 label
The NU12 also carries the marking AP803