NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

4HG8
Medium-Mu Triode - Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 9MPEIA Bulb: 6-2

Substitute Data

Preferred Substitutes ......................... 4FS7
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type with frame-grid pntode unit used as combined oscillator and mixer tube in vhf color and bw tv receivers. Requires miniature 9-contact socket.

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 4.5 V
Heater Current ................................ 0.45 A

Source ........................................ RCA RC-29 - 1975
For other characteristics and typical operation, see 6HG8

A horizontal ribbon.

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A horizontal ribbon.

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Sat, 02 Jul 2022 07:12:17 -0700