NJ7P SQL Tube Database Query

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5608A
Medium-Mu Twin Triode

EIA Base & Outline

EIA Base: 7BEIA Bulb: 14-1
Source ........................................ GE - 1973

Mechanical Data

EIA Outline ................................... 14-1
EIA Base ...................................... 7B

Electrical Data

Heater Voltage ................................ 2.5 V
Heater Current ................................ 2.0 A

Maximum Ratings (Design Center Values)

Each Triode
Plate Voltage ................................. 350 V
Plate Dissipation ............................. 5.5 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 300 V
Grid No. 1 Voltage ............................ -6.0 V
Amplification Factor .......................... 32
Plate Resistance (approx) ..................... 13K Ω
Transconductance .............................. 2450 µMho
Plate Current ................................. 6.0 mA

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Thu, 11 Aug 2022 14:46:46 -0700