NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6DC8
Twin Diode - Semiremote-Cutoff Pentode

EIA Base & Outline

EIA Base: 9HEEIA Bulb: 6-3

Substitute Data

Substitutes ................................... 6AD8 6N8
Source ........................................ GE - 1973

Application

Source ........................................ GE - 1973
Miniature type used as combined detector and agc-controlled if amplifier. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-3
EIA Base ...................................... 9HE

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ GE - 1973
Input ......................................... 5.0 pf
Output ........................................ 5.2 pf
Grid to Plate ................................. 0.0025 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE - 1973
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 125 V
Plate Dissipation ............................. 2.25 W
Grid No. 2 Dissipation ........................ 0.45 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ -2 V
Plate Resistance (approx) ..................... 1M Ω
Transconductance .............................. 3800 µMho
Plate Current ................................. 19.0 mA
Grid No. 2 Current ............................ 2.7 mA

A horizontal ribbon.

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A horizontal ribbon.

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Mon, 15 Aug 2022 18:54:38 -0700