NJ7P SQL Tube Database Query

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6463
Medium-Mu Twin Triode

EIA Base & Outline

EIA Base: 9CZEIA Bulb: 6-3
Source ........................................ GE - 1973

Mechanical Data

EIA Outline ................................... 6-3
EIA Base ...................................... 9CZ

Electrical Data

Heater Voltage ................................ 12.6/6.3 V
Heater Current ................................ 0.3/0.6 A

Direct Interelectrode Capacitances (approx)

Triode 1
Input ......................................... 3.0 pf
Output ........................................ 0.6 pf
Grid to Plate ................................. 5.0 pf

Triode 2
Input ......................................... 3.0 pf
Output ........................................ 0.5 pf
Grid to Plate ................................. 5.0 pf

Maximum Ratings (Design Center Values)

Triode 1
Plate Voltage ................................. 300 V
Plate Dissipation ............................. 4.0 W

Triode 2
Plate Voltage ................................. 300 V
Plate Dissipation ............................. 4.0 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 250 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 620 Ω
Amplification Factor .......................... 20
Plate Resistance (approx) ..................... 3850 Ω
Transconductance .............................. 5200 µMho
Plate Current ................................. 14.5 mA

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Sat, 04 Dec 2021 18:57:31 -0700