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GZ30

Sensibly equivalent to:
5Z4GT 5Z4G R52
    
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The GZ30 full wave rectifier was designed for larger domestic equipment and audio amplifiers. The maximum reservoir capacitor was 50 µF and the minimum effective series resistance had to be 380 Ohms. The maximum peak inverse voltage was 1.4 kV.
Zaerix was the brand name of Z&I Aero Services who were suppliers of specialist and foreign sourced spares in the 1960s and 1970s. Thanks to Alf Parker for the company information.
The wide glass (GT) envelope is 28 mm in diameter and, excluding the IO base pins, is 63 mm tall.
References: Datasheet, 1040 & Alf Parker. Type GZ30 was first introduced in 1940.

 

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
350
125
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated February 20, 2013.
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