NJ7P SQL Tube Database Query

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HY31Z
Power Triode

EIA Base & Outline

EIA Base: F60

Mechanical Data

EIA Base ...................................... F60

Electrical Data

Heater Voltage ................................ 6.3/12.6 V
Heater Current ................................ 3.5/1.75 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 5.0 pf
Output ........................................ 1.9 pf
Grid to Plate ................................. 5.5 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 500 V
Plate Dissipation ............................. 30 W

Characteristics and Typical Operation

Class C Amplifier
Plate Voltage ................................. 500 V
Grid No. 1 Voltage ............................ -45 V
Grid No. 1 Current ............................ 25 mA
Plate Current ................................. 150 mA
Driving Power ................................. 2.5 W
Power Output (approx) ......................... 56 W

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 400 V
Grid No. 1 Voltage ............................ -100 V
Grid No. 1 Current ............................ 30 mA
Plate Current ................................. 150 mA
Driving Power ................................. 3.5 W
Power Output (approx) ......................... 45 W

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Sat, 25 Jun 2022 16:04:42 -0700