▼ Menu

81

Sensibly equivalent to:
CV2546
    
Extras ▼

 

The Type 81 is a half wave power rectifier. The anode voltage given is the RMS value. Two units are required for a full wave rectifier.
Side view of the anode box. The location pip for the bayonet base is on the right.
The ceramic top insulator with twin filament tension springs.
The classic envelope is 51 mm in diameter, and excluding the UX4 base pins is 118 mm tall.
References: Datasheet. Type 81 was first introduced in 1927.

 

Pin Connections
UX4
1
2
3
4
f
a
-
f

 

Absolute Maximum Operating Conditions
Rectifier
Vh
Ah
Va
mAa
7.5
1.25
700
85
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 09, 2017.
Return to Main Index