NJ7P SQL Tube Database Query

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6JC6
Sharp-Cutoff Pentode

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 6HM6
Substitutes ................................... 6HT6 6JD6 6KT8
Source ........................................ RCA RC-27 - 1973

Application

Source ........................................ RCA RC-27 - 1973
Miniature type used in if-amplifier stages of color and bw tv receivers utilizing if in the order of 40 MHz. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-27 - 1973
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-2
EIA Base ...................................... 9PM
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-27 - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A
Maximum Heater-Cathode Voltage
Heater Positive with Respect to Cathode
Total DC and Peak ....................... 200 V
Heater Negative with Respect to Cathode
DC Component ............................ 100 V
Total DC and Peak ....................... 200 V

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA RC-27 - 1973
Input ......................................... 8.2 pf
Output ........................................ 3 pf
Grid to Plate ................................. 0.019 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-27 - 1973
Plate Voltage ................................. 330 V
Grid No. 2 Voltage ............................ 330 V
Plate Dissipation ............................. 2.5 W
Grid No. 2 Dissipation ........................ 0.6 W
Grid No. 1 Circuit Resistance
Fixed Bias ................................. 0.25M Ω
Self Bias .................................. 1M Ω

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-27 - 1973
Plate Voltage ................................. 125 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 56 Ω
Plate Resistance (approx) ..................... 180K Ω
Transconductance .............................. 15000 µ
Plate Current ................................. 13 mA
Grid No. 2 Current ............................ 3.2 mA
Grid No. 1 Voltage for Ib ..................... 100 µa @ -3 V

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

Sat, 25 Mar 2023 04:28:04 -0700