NJ7P SQL Tube Database Query

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6146A
Beam Power Pentode

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 6146B 8298 8298A
Substitutes ................................... 6146 6146W
Source ........................................ RCA DS 05/63

Application

Small, sturdy, glass-octal heater cathode type used as af power amplifier and modulator and as rf power amplifer and oscillator.

May be used with full input up to 60 MHz and with reduced input up to 175 MHz. Class C telegraphy maximum plate dissipation, CCS 20 Wattts, ICAS 25 Watts.

Mechanical Data

Bulb .......................................... T-12
Base Type ..................................... Large Wafer Octal 8-Pin
EIA Outline ................................... 12-33
EIA Base ...................................... 7CK
Top Cap ....................................... Small C1-1
Cathode ....................................... Dark Heater
Mounting Position ............................. Any

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.25 A
Heater Warm-up Time ........................... 60 s
Maximum Heater-Cathode Voltage ................ 135 V

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 13 pf
Output ........................................ 8.5 pf
Grid to Plate ................................. 0.24 pf

For other characteristics and typical operation, see 6146

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

Mon, 06 Feb 2023 18:28:56 -0700