6BE6 @ The Valve Museum

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6BE6

Sensibly equivalent^¶ to:

5750 CV453 EK90 HM04 X727 X77

See also:

Pentagrid Converters - CV453 short entry

Extras ▼

Toshiba Valve Donation by Peter Bates (GM4BYF) Other 6BE6 exhibits

The 6BE6 is a heptode or pentagrid valve. The heptode is classically used as a self oscillating frequency changer (mixer) in a superhet receiver.

To prevent the oscillator and the signal interfering in unplanned ways a screening grid keeps the circuits apart.

The full name of the Toshiba brand is Tokyo Shibaura Electric and this is on the glass.

The thin glass tube envelope is 17 mm in diameter and, excluding the B7G base pins, is 47 mm tall.

References: Data-sheet & ¹⁰⁴⁰. Type 6BE6 was first introduced in 1950. See also 1950 adverts.

Pin Connections

B7G	1	2	3	4	5	6	7
	g1	k	h	h	a	g2,g4	g3

Absolute Maximum Operating Conditions^¶

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Vosc
	6.3	0.3	250	100	-1.5	3	7.1	1M	0.475	10

Thanks to Frank Philipse for supplying the above PDF datasheet.

Updated November 18, 2015.

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