Sensibly equivalent¶ to:
This is a genuine RCA metal envelope 5Z4 and is in excellent condition.
The 5Z4 was designed to supply equipment of up to 40 Watts total power, this rectifier was made by several manufacturers. The miniature metal octal type was introduced in America by RCA about 1935.
The thin metal tube envelope is 25 mm in diameter and excluding the IO base pins, is 67 mm tall.
References: Datasheet, 1040 & 1043. Type 5Z4 was first introduced in 1935.
Absolute Maximum Operating Conditions¶
Updated February 22, 2013. shape:thin.metal.tube construction:glass.disc type:rectifier.fw age:1930.1940 base:io heater:5.0v pins:8 pin:1.m pin:2.h pin:3.nc pin:4.a(2) pin:5.nc pin:6.a(1) pin:7.nc pin:8.h.k