NJ7P SQL Tube Database Query

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5893
Medium Mu Triode

EIA Base & Outline

EIA Base: F21

Mechanical Data

EIA Base ...................................... F21

Electrical Data

Heater Voltage ................................ 6.0 V
Heater Current ................................ 0.33 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 2.5 pf
Output ........................................ 0.07 pf
Grid to Plate ................................. 1.75 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 400 V
Plate Dissipation ............................. 8 W

Characteristics and Typical Operation

Class C Amplifier
Plate Voltage ................................. 350 V
Grid No. 1 Voltage ............................ -33 V
Grid No. 1 Current ............................ 13 mA
Plate Current ................................. 35 mA
Driving Power ................................. 2.4 W
Power Output (approx) ......................... 6.5 W

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 300 V
Grid No. 1 Voltage ............................ -45 V
Grid No. 1 Current ............................ 12 mA
Plate Current ................................. 30 mA
Driving Power ................................. 2.0 W
Power Output (approx) ......................... 6.5 W

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Wed, 07 Dec 2022 13:15:49 -0700