Sensibly equivalent¶ to:
The PC86 is a purpose designed frame-grid triode for use as a UHF oscillator/mixer for Band IV and Band V television reception. Tungsram also made this valve under their own Type designation of 4CM4.
At UHF a coaxial design would normally be used for professional applications, but by connecting the electrodes to several pins the manufacturers achieve the desired result without the complications, and cost, of a disc seal valve and its mounting. Ideal for the less stringent requirements of a domestic appliance.
The anode side view.
The thin glass tube envelope is 20 mm in diameter and excluding the B9A base pins, is 47 mm long.
References: Datasheet & 3002. Type PC86 was first introduced in 1962.
Absolute Maximum Operating Conditions¶
Updated February 09, 2013. shape:thin.glass.tube construction:all.glass type:triode age:1960.1975 base:b9a heater:300ma pins:9 pin:1.a pin:2.g1 pin:3.k pin:4.h pin:5.h pin:6.g1 pin:7.k pin:8.g1 pin:9.a