NJ7P SQL Tube Database Query

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4ES8
Variable-Mu Twin triode

EIA Base & Outline

EIA Base: 9DEEIA Bulb: 6-2

Substitute Data

Preferred Substitutes ......................... 4KN8
Substitutes ................................... 4BC8 4BQ7 4BZ7 4BZ8
Source ........................................ CS-363

Application

Source ........................................ CS-363
Miniature type used as rf amplifier in vhf tuners of television receivers. Requires miniature 9-contact socket.

Electrical Data

Source ........................................ CS-363
Heater Voltage ................................ 4.0 V
Heater Current ................................ 0.6 A

Source ........................................ CS-363
For other characteristics and typical operation, see 6ES8

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Thu, 30 Jun 2022 06:53:33 -0700