NJ7P SQL Tube Database Query

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4604
Beam Power Pentode

EIA Base & Outline

EIA Base: 7CL

Mechanical Data

EIA Base ...................................... 7CL

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.65 A

Direct Interelectrode Capacitances (approx)

Beam Pentode
Input ......................................... 11 pf
Output ........................................ 8.5 pf
Grid to Plate ................................. 0.24 pf

Maximum Ratings (Design Center Values)

Beam Pentode
Plate Voltage ................................. 750 V
Grid No. 2 Voltage ............................ 250 V
Plate Dissipation ............................. 25 W
Grid No. 2 Dissipation ........................ 3 W

Characteristics and Typical Operation

Class C Amplifier
Plate Voltage ................................. 400 V
Grid No. 2 Voltage ............................ 190 V
Grid No. 1 Voltage ............................ -60 V
Grid No. 1 Current ............................ 2 mA
Plate Current ................................. 150 mA
Grid No. 2 Current ............................ 11 mA
Driving Power ................................. 4.5 W
Power Output (approx) ......................... 30 W

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Mon, 05 Dec 2022 01:15:18 -0700