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GEC CV187 / U19 halfwave rectifier

Size This valve measures 185x50mm overall and has a 4 pin base.

The prototype of this valve is U19.

Filament voltage 4V
Filament current 3.3A
Max RMS input 2500V
Max PIV 7.1kV
Max PIV (<10µs) 10.0kV
Max mean cathode current 250mA
Max peak anode current 2A
Max reservoir capacitor 4µF
Min limiting external resistance, including effective transformer resistance, in anode circuit 250 ohms

 

Pin Function
1 n/c
2 n/c
3 Filament
4 Filament
TC Anode

 

CV187

U19

Top quarter view Bottom quarter view
The top one of these valves was donated by Paul Barker

This file was last modified 15:41:43, Saturday November 12, 2011