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5Z4GT

Sensibly equivalent to:
CV2748
    
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The 5Z4GT was designed to supply equipment of up to 40 Watts total power, this rectifier was made by several manufacturers. This confirms it as a very popular type. The GT miniature octal type was introduced after the original metal 5Z4 of the mid 1930s, and the standard glass 5Z4G versions had become established. It illustrates the trend to smaller devices.
The anode area of this valve is much smaller than that found in the 5Z4G and so must have run hotter. The equivalent GZ30 has a larger anode surface area.
The wide glass tube envelope is 38 mm in diameter and excluding the IO base pins, is 69 mm tall.
References: Datasheet, 1040 & 1043. Type 5Z4GT was first introduced in 1940.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
m
h
nc
a(2)
nc
a(1)
nc
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 19, 2013.
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