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2V/400A

Sensibly equivalent to:
3B28 866A AH201 CV32 ESU866 RG3-250A
See also:
CV32 short entry
    
Extras ▼

 

The 2V/400A is a mercury vapour rectifier employing the original American standard AC heater voltage of 2.5 Volts.
The filament is held within the metal cylinder and sealed at the lower end with a ceramic disc.
The anode and mercury drops on the glass.
The filament ribbon within the cylinder.
The balloon envelope is 64 mm in diameter, and excluding the UX4 base pins is 158 mm tall.
Reference: Datasheet. Type 2V/400A was first introduced in 1952.

 

Pin Connections
UX4
1
2
3
4
tc
f
-
-
f
a

 

Absolute Maximum Operating Conditions
Rectifier
Vh
Ah
Va
mAa
2.5
5.0
1,000
250
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated April 05, 2015.
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