NJ7P SQL Tube Database Query

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2C39
High-Mu Power Triode

EIA Base & Outline

EIA Base: 2C39B

Mechanical Data

Bulb .......................................... Special
Base Type ..................................... Metal & Ceramic
Maximum Overall Height ........................ 2.750 In.
Maximum Diameter .............................. 1.260 In.
EIA Base ...................................... 2C39B

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.1 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 6.5 pf
Output ........................................ 0.03 pf
Grid to Plate ................................. 1.95 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 1000 V
Plate Dissipation ............................. 100 W

Characteristics and Typical Operation

GIC
Plate Voltage ................................. 600 V
Grid No. 1 Voltage ............................ -35 V
Grid No. 1 Current ............................ 40 mA
Plate Current ................................. 60 mA
Driving Power ................................. 5.0 W
Power Output (approx) ......................... 20 W

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Mon, 29 Nov 2021 05:36:50 -0700