NJ7P SQL Tube Database Query

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6854
Medium-Mu Twin Triode

EIA Base & Outline

EIA Base: 8CJEIA Bulb: 6-2
Source ........................................ GE - 1973

Mechanical Data

EIA Outline ................................... 6-2
EIA Base ...................................... 8CJ

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.5 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 2.4 pf
Output ........................................ 1.1 pf
Grid to Plate ................................. 1.7 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 300 V
Plate Dissipation ............................. 1.5 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 150 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 240 Ω
Amplification Factor .......................... 35
Plate Resistance (approx) ..................... 6.5K Ω
Transconductance .............................. 5225 µMho
Plate Current ................................. 8.2 mA

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Thu, 11 Aug 2022 14:00:47 -0700