NJ7P SQL Tube Database Query

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A horizontal ribbon.

HF201A
Power Triode

EIA Base & Outline

EIA Base: F15

Mechanical Data

EIA Base ...................................... F15

Electrical Data

Heater Voltage ................................ 10-11 V
Heater Current ................................ 4.0 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 8.8 pf
Output ........................................ 1.2 pf
Grid to Plate ................................. 7.0 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 2500 V
Plate Dissipation ............................. 150 W

Characteristics and Typical Operation

Class C Amplifier
Plate Voltage ................................. 2500 V
Grid No. 1 Voltage ............................ -300 V
Grid No. 1 Current ............................ 18 mA
Plate Current ................................. 200 mA
Driving Power ................................. 8 W
Power Output (approx) ......................... 380 W

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 2000 V
Grid No. 1 Voltage ............................ 350 V
Grid No. 1 Current ............................ 20 mA
Plate Current ................................. 160 mA
Driving Power ................................. 9 W
Power Output (approx) ......................... 250 W

Push Pull Class B Amplifier
Plate Voltage ................................. 2500 V
Grid No. 1 Voltage ............................ -130 V
Peak Grid No. 1 Voltage........................ 460 V
Plate Current (Zero Signal) ................... 60 mA
Plate Current (Maximum Signal) ................ 360 mA
Driving Power ................................. 8 W
Load Resistance ............................... 16K Ω
Power Output (approx) ......................... 600 W

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Tue, 28 Jun 2022 02:13:29 -0700