NJ7P SQL Tube Database Query

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7700
Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 6F

Substitute Data

Preferred Substitutes ......................... 77
Source ........................................ RCA RC-15 - 1947

Application

Glass type used as biased detector and as a high-gain amplifier in radio equipment. Tube requires 6-contact socket. For ratings and typical operation data, refer to type 6J7. Low noise, non-microphonic version of 6C6.

Mechanical Data

EIA Base ...................................... 6F

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

For other characteristics and typical operation, see 6C6

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Mon, 28 Nov 2022 01:22:09 -0700