The PY80 is a half wave rectifier for television HT systems.

The maximum reservoir capacitor is 60 µF, and the minimum series resistance has to be 45 Ohms.

The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 67 mm tall.

 
Pin Connections

B9A	1	2	3	4	5	6	7	8	9
	ic	ic	k	h	h	ic	ic	ic	a

 
Absolute Maximum Operating Conditions

Rectifier	Vh	Ah	Va	mAa
	19	0.3	250	180

Thanks to Frank Philipse for supplying the above datasheet

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This exhibit was last updated on 10 June 2007 {find valves by name}