NJ7P SQL Tube Database Query

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A horizontal ribbon.

7580
Beam Power Pentode

EIA Base & Outline

Mechanical Data

Electrical Data

Heater Voltage ................................ 6 V
Heater Current ................................ 2.6 A

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 17 pf
Output ........................................ 4.5 pf
Grid to Plate ................................. 0.03 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 2000 V
Grid No. 2 Voltage ............................ 500 V
Plate Dissipation ............................. 250 W
Grid No. 2 Dissipation ........................ 12 W

Characteristics and Typical Operation

Class AB1 Amplifier
Plate Voltage ................................. 2000 V
Grid No. 2 Voltage ............................ 400 V
Grid No. 1 Voltage ............................ -77 V
Grid No. 1 Current ............................ 0 mA
Plate Current (Zero Signal) ................... 70 mA
Plate Current (Maximum Signal) ................ 350 mA
Grid No. 2 Current (Zero Signal) .............. 0 mA
Grid No. 2 Current (Maximum Signal) ........... 25 mA
Driving Power ................................. 12 W
Power Output (approx) ......................... 360 W

Class AB1 Amplifier
Plate Voltage ................................. 2000 V
Grid No. 2 Voltage ............................ 400 V
Grid No. 1 Voltage ............................ -77 V
Grid No. 1 Current ............................ 0 mA
Plate Current ................................. 175 mA
Grid No. 2 Current ............................ 4 mA
Driving Power ................................. 3 W
Power Output (approx) ......................... 90 W

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Fri, 30 Sep 2022 00:28:04 -0700