NJ7P SQL Tube Database Query

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A horizontal ribbon.

10C8
High-Mu Triode - Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 9DAEIA Bulb: 6-2
Source ........................................ RCA RC-27 - 1973

Mechanical Data

Source ........................................ RCA RC-27 - 1973
Bulb .......................................... T-6 1/2
Base Type ..................................... Small Button 9-Pin
EIA Outline ................................... 6-2
EIA Base ...................................... 9DA
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-27 - 1973
Heater Voltage ................................ 10.5 V
Heater Current ................................ 0.3 A

Characteristics and Typical Operation

Triode Class A Amplifier
Source ........................................ RCA RC-27 - 1973
Plate Voltage ................................. 250 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 390 Ω
Amplification Factor .......................... 53
Plate Resistance (approx) ..................... 12000 Ω
Transconductance .............................. 4400 µMho
Plate Current ................................. 7.3 mA

Pentode Class A Amplifier
Source ........................................ RCA RC-27 - 1973
Plate Voltage ................................. 135 V
Grid No. 2 Voltage ............................ 135 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 100 Ω
Plate Resistance (approx) ..................... 190K Ω
Transconductance .............................. 8000 µMho
Plate Current ................................. 11.5 mA
Grid No. 2 Current ............................ 3.2 mA

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Sat, 26 Nov 2022 03:08:32 -0700