NJ7P SQL Tube Database Query

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VT-287
Twin Beam Power Pentode

EIA Base & Outline

EIA Base: 8BY
Source ........................................ TM 11-310 - 1944

Mechanical Data

Source ........................................ TM 11-310 - 1944
EIA Base ...................................... 8BY

Electrical Data

Source ........................................ TM 11-310 - 1944
Heater Voltage ................................ 6.3/12.6 V
Heater Current ................................ 1.6/0.8 A

Direct Interelectrode Capacitances (approx)

Each Pentode
Source ........................................ TM 11-310 - 1944
Input ......................................... 13.3 pf
Output ........................................ 8.5 pf
Grid to Plate ................................. 0.2 pf

Maximum Ratings (Design Center Values)

Each Pentode
Source ........................................ TM 11-310 - 1944
Plate Voltage ................................. 500 V
Grid No. 2 Voltage ............................ 200 V
Plate Dissipation ............................. 25 W
Grid No. 2 Dissipation ........................ 4 W

Source ........................................ TM 11-310 - 1944
For other characteristics and typical operation, see 815

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Thu, 29 Sep 2022 02:10:35 -0700