NJ7P SQL Tube Database Query

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4GS8
Sharp-Cutoff Twin Pentode

EIA Base & Outline

EIA Base: 9LWEIA Bulb: 6-3

Substitute Data

Preferred Substitutes ......................... 4HS8
Substitutes ................................... 4BU8 4KF8
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used as combined sync separator, sync clipper, and agc amplifier tube in color and black-and-white television receivers. Requires miniature 9-contact socket.

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 4.2 V
Heater Current ................................ 0.45 A

Source ........................................ RCA RC-29 - 1975
For other characteristics and typical operation, see 4BU8

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Tue, 21 Mar 2023 04:34:12 -0700