NJ7P SQL Tube Database Query

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PL-175A
Power Tetrode

EIA Base & Outline

EIA Base: F86

Mechanical Data

EIA Base ...................................... F86

Electrical Data

Heater Voltage ................................ 5 V
Heater Current ................................ 14.5 A

Direct Interelectrode Capacitances (approx)

Tetrode
Input ......................................... 15.1 pf
Output ........................................ 9.8 pf
Grid to Plate ................................. 0.06 pf

Maximum Ratings (Design Center Values)

Tetrode
Plate Voltage ................................. 4000 V
Grid No. 2 Voltage ............................ 600 V
Plate Dissipation ............................. 400 W
Grid No. 2 Dissipation ........................ 25 W

Characteristics and Typical Operation

Class C Amplifier/Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 4000 V
Grid No. 3 Voltage ............................ 0 V
Grid No. 2 Voltage ............................ 600 V
Grid No. 1 Voltage ............................ -200 V
Grid No. 1 Current ............................ 6 mA
Plate Current ................................. 350 mA
Grid No. 2 Current ............................ 29 mA
Driving Power ................................. 1.4 W
Power Output (approx) ......................... 960 W

Class C Amplifier/Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 2500 V
Grid No. 3 Voltage ............................ 0 V
Grid No. 2 Voltage ............................ 600 V
Grid No. 1 Voltage ............................ -180 V
Grid No. 1 Current ............................ 7 mA
Plate Current ................................. 350 mA
Grid No. 2 Current ............................ 40 mA
Driving Power ................................. 1.6 W
Power Output (approx) ......................... 600 W

Class AB1 Amplifier
Plate Voltage ................................. 2500 V
Grid No. 2 Voltage ............................ 750 V
Grid No. 1 Voltage ............................ -143 V
Peak Grid No. 1 Voltage........................ 143 V
Plate Current (Zero Signal) ................... 100 mA
Plate Current (Maximum Signal) ................ 350 mA
Grid No. 2 Current (Zero Signal) .............. 1 mA
Grid No. 2 Current (Maximum Signal) ........... 35 mA
Driving Power ................................. 0 W
Power Output (approx) ......................... 570 W

Class AB1 Amplifier
Plate Voltage ................................. 3000 V
Grid No. 2 Voltage ............................ 750 V
Grid No. 1 Voltage ............................ -150 V
Peak Grid No. 1 Voltage........................ 150 V
Plate Current (Zero Signal) ................... 80 mA
Plate Current (Maximum Signal) ................ 350 mA
Grid No. 2 Current (Zero Signal) .............. 1 mA
Grid No. 2 Current (Maximum Signal) ........... 29 mA
Driving Power ................................. 0 W
Power Output (approx) ......................... 680 W

Class AB1 Amplifier
Plate Voltage ................................. 3500 V
Grid No. 2 Voltage ............................ 750 V
Grid No. 1 Voltage ............................ -160 V
Peak Grid No. 1 Voltage........................ 160 V
Plate Current (Zero Signal) ................... 75 mA
Plate Current (Maximum Signal) ................ 350 mA
Grid No. 2 Current (Zero Signal) .............. 1 mA
Grid No. 2 Current (Maximum Signal) ........... 24 mA
Driving Power ................................. 0 W
Power Output (approx) ......................... 790 W

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Mon, 15 Aug 2022 17:46:46 -0700