EL81 @ The Valve Museum

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EL81

Sensibly equivalent^¶ to:

6CJ6 CV2721

See also:

Valves and their Habits

Extras ▼

Mullard HMS Collingwood

The EL81 was designed as a television line output stage valve or as a series regulator. It is specified for a peak positive anode surge of 7,000 Volts.

See also PL81

The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 71 mm tall.

References: Data-sheet & ¹⁰⁴⁰.

Pin Connections

B9A	1	2	3	4	5	6	7	8	9	tc
	ic	g1	k	h	h	ic	ic	g2	g3	a

Absolute Maximum Operating Conditions^¶

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	Pdiss
	6.3	1.05	250	250	-38.5	32	2.4	8.0W

Thanks to Frank Philipse for supplying the above PDF datasheet.

Updated July 04, 2018.

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