NJ7P SQL Tube Database Query

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A horizontal ribbon.

HY67
Power Pentode

EIA Base & Outline

EIA Base: T5DB

Mechanical Data

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

Electrical Data

Heater Voltage ................................ 6.3/12.6 V
Heater Current ................................ 4.5/2.25 A

Direct Interelectrode Capacitances (approx)

Pentode
Output ........................................ 14.5 pf
Grid to Plate ................................. 0.19 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 1250 V
Grid No. 2 Voltage ............................ 300 V
Plate Dissipation ............................. 65 W
Grid No. 2 Dissipation ........................ 10 W

Characteristics and Typical Operation

Class C Amplifier
Plate Voltage ................................. 1250 V
Grid No. 2 Voltage ............................ 300 V
Grid No. 1 Voltage ............................ -80 V
Grid No. 1 Current ............................ 10 mA
Plate Current ................................. 175 mA
Grid No. 2 Current ............................ 22.5 mA
Driving Power ................................. 1.5 W
Power Output (approx) ......................... 152 W

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 1000 V
Grid No. 2 Voltage ............................ 300 V
Grid No. 1 Voltage ............................ -150 V
Grid No. 1 Current ............................ 14 mA
Plate Current ................................. 145 mA
Grid No. 2 Current ............................ 17.5 mA
Driving Power ................................. 2.0 W
Power Output (approx) ......................... 101 W

Class C Modulated Amplifier (Grid)
Plate Voltage ................................. 1250 V
Grid No. 2 Voltage ............................ 300 V
Plate Current ................................. 78 mA
Power Output (approx) ......................... 32.5 W

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A horizontal ribbon.

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Sat, 25 Jun 2022 10:01:50 -0700