NJ7P SQL Tube Database Query

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4HQ5
High-Mu Triode

EIA Base & Outline

EIA Base: 7GMEIA Bulb: 5-2

Substitute Data

Substitutes ................................... 4HA5 4HK5
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used as grounded-cathode rf-amplifier tube in vhf tuners of tv receivers. Requires miniature 7-contact socket.

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 4.2 V
Heater Current ................................ 0.3 A

Source ........................................ RCA RC-29 - 1975
For other characteristics and typical operation, see 6HQ5

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Tue, 29 Nov 2022 20:52:41 -0700