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5AQ4

Sensibly equivalent to:
CV593 GZ32
    
Extras ▼

 

This 5AQ4 from the English factory of Tungsram is a full wave rectifier with a maximum rectified output of 175 mA. The minimum series resistance to prevent excessive current flow is 100 Ω.
The cathode is tubular and each anode has an X cross section.
Face view of one anode showing how the thin plate is stitched together. The other arms are shorter.
A closer view. The heater is a single inverted V in each cathode.
The classic envelope is 44 mm in diameter and, excluding the IO base pins, is 101 mm tall.
References: Data-sheet, 1040 & 1043. Type 5AQ4 was first introduced in 1949.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
m
h
-
a(2)
-
a(1)
-
h,k

 

Absolute Maximum Operating Conditions
Rectifier
Vh
Ah
Va
mAa
5.0
2.0
375
175
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated February 16, 2018.
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