NJ7P SQL Tube Database Query

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HY1269
Power Pentode

EIA Base & Outline

EIA Base: T5DB

Mechanical Data

EIA Base ...................................... T5DB

Electrical Data

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

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 16 pf
Output ........................................ 7.5 pf
Grid to Plate ................................. 0.25 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 750 V
Grid No. 2 Voltage ............................ 300 V
Plate Dissipation ............................. 40 W
Grid No. 2 Dissipation ........................ 5 W

Characteristics and Typical Operation

Class C Oscillator/Amplifier
Plate Voltage ................................. 750 V
Grid No. 2 Voltage ............................ 300 V
Grid No. 1 Voltage ............................ -70 V
Grid No. 1 Current ............................ 4 mA
Plate Current ................................. 120 mA
Grid No. 2 Current ............................ 15 mA
Driving Power ................................. 0.25 W
Power Output (approx) ......................... 63 W

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 600 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -70 V
Grid No. 1 Current ............................ 5 mA
Plate Current ................................. 100 mA
Grid No. 2 Current ............................ 12.5 mA
Driving Power ................................. 0.5 W
Power Output (approx) ......................... 42 W

Class C Modulated Amplifier (Grid)
Plate Voltage ................................. 750 V
Grid No. 2 Voltage ............................ 300 V
Plate Current ................................. 80 mA
Power Output (approx) ......................... 20 W

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Tue, 28 Jun 2022 02:24:29 -0700