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5U4G

Sensibly equivalent to:
53KU 5T4 CV575 CV1575 U52 VT-244
    
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The 5U4G rectifier delivers 100 Watts of DC power. It would be used for all types of medium power equipment.
The design dates to 1938 and the Brimar version to 1940.
The Brimar 5U4G has ribbon filaments coated with oxide. Note the filament tension springs above the top mica.
The oxide coated ribbon filaments held in the tension springs.
The classic envelope is 49 mm in diameter and, excluding the IO base pins, is 109 mm tall.
References: Datasheet, 1040 & 1043. Type 5U4G was first introduced in 1938.

 

Pin Connections
IO
2
4
6
8
f
a(2)
a(1)
f

 

Absolute Maximum Operating Conditions
Rectifier
Vh
Ah
Va
mAa
5.0
3.0
450
225
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 20, 2016.
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