Virtual Valve Museum

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CV4049 reliable double diode

Size This valve measures 38x18mm overall, plus leads, and has 7 leads.

See also CV4007 which is the pinned version.

Heater voltage 6.3V
Heater current 0.3A
Max PIV 360V
Max peak anode current 60mA
Max mean anode current 10mA
Max surge anode current 350mA
Max heater to cathode voltage 360V
Max bulb temperature 165C
Max shock (short duration) 500g
Max acceleration (continuous operation) 2.5g


Lead Function
1 Cathode 1
2 Anode 2
3 Heater
4 Heater
5 Cathode 2
6 Internal shield
7 Anode 1