NJ7P SQL Tube Database Query

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306A
Power Pentode

EIA Base & Outline

EIA Base: T5CB

Mechanical Data

EIA Base ...................................... T5CB

Electrical Data

Heater Voltage ................................ 2.75 V
Heater Current ................................ 2 A

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 13 pf
Output ........................................ 13 pf
Grid to Plate ................................. 0.35 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 300 V
Plate Dissipation ............................. 15 W
Grid No. 2 Dissipation ........................ 6 W

Characteristics and Typical Operation

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 180 V
Grid No. 1 Voltage ............................ -50 V
Grid No. 1 Current ............................ 3 mA
Plate Current ................................. 36 mA
Grid No. 2 Current ............................ 15 mA
Power Output (approx) ......................... 7 W

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Thu, 29 Sep 2022 22:26:33 -0700