NJ7P SQL Tube Database Query

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7717
Power Tetrode

EIA Base & Outline

EIA Base: 7EW

Mechanical Data

EIA Base ...................................... 7EW

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.2 A

Direct Interelectrode Capacitances (approx)

Tetrode
Input ......................................... 4.5 pf
Output ........................................ 3 pf
Grid to Plate ................................. 0.03 pf

Maximum Ratings (Design Center Values)

Tetrode
Plate Voltage ................................. 180 V
Grid No. 2 Voltage ............................ 180 V
Plate Dissipation ............................. 2 W
Grid No. 2 Dissipation ........................ 0.5 W

Characteristics and Typical Operation

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 125 V
Grid No. 2 Voltage ............................ 80 V
Grid No. 1 Voltage ............................ -1 V
Plate Current ................................. 10 mA
Grid No. 2 Current ............................ 1.4 mA

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Thu, 18 Aug 2022 19:41:45 -0700