NJ7P SQL Tube Database Query

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A horizontal ribbon.

9002
Medium Mu UHF Triode

EIA Base & Outline

EIA Base: 7BS
Source ........................................ ARRL HB - 1964

Mechanical Data

Source ........................................ ARRL HB - 1964
Bulb .......................................... T-5 1/2
EIA Outline ................................... 5-1
EIA Base ...................................... 7BS

Electrical Data

Source ........................................ ARRL HB - 1964
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.15 A

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ ARRL HB - 1964
Input ......................................... 1.2 pf
Output ........................................ 1.1 pf
Grid to Plate ................................. 1.4 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ ARRL HB - 1964
Plate Voltage ................................. 250 V
Plate Dissipation ............................. 1.6 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ ARRL HB - 1964
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -7 V
Plate Resistance (approx) ..................... 11.4K Ω
Transconductance .............................. 2200 µMho
Plate Current ................................. 6.3 mA

Class C Oscillator/Amplifier
Source ........................................ ARRL HB - 1964
Plate Voltage ................................. 180 V
Grid No. 1 Voltage ............................ -35 V
Grid No. 1 Current ............................ 1.5 mA
Plate Current ................................. 7 mA
Power Output (approx) ......................... 0.5 W

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Sat, 02 Jul 2022 22:58:25 -0700