NJ7P SQL Tube Database Query

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1603
Sharp-Cutoff Pentode

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 77
Source ........................................ RCA DS 12/01/41

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

Bulb .......................................... ST-12
Base Type ..................................... Small 6-Pin
EIA Outline ................................... 12-6
EIA Base ...................................... 6F
Top Cap ....................................... Small Metal
Mounting Position ............................. Any

Electrical Data

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

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 4.6 pf
Output ........................................ 6.5 pf
Grid to Plate ................................. 0.007 pf

For other characteristics and typical operation, see 6C6

If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.

(c) 1994-2021 by William A. Beech, NJ7P

Tue, 28 Jun 2022 01:50:06 -0700