NJ7P SQL Tube Database Query

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6B8G
Twin Diode - Semiremote-Cutoff Pentode

EIA Base & Outline

EIA Base: 8EEIA Bulb: 12-8
Source ........................................ RCA DS 12/30/47

Application

Source ........................................ RCA DS 12/30/47
Glass octal type used as combined detector, amplifier and avc tube. Tube requires octal socket. Requires complete shielding of detector circuits.

Mechanical Data

Source ........................................ RCA DS 12/30/47
Bulb .......................................... ST-12
Base Type ..................................... Small-Shell Octal 8-Pin
EIA Outline ................................... 12-8
EIA Base ...................................... 8E
Top Cap ....................................... Skirted Miniature
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA DS 12/30/47
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA DS 12/30/47
Input ......................................... 3.6 pf
Output ........................................ 9.5 pf
Grid to Plate ................................. 0.01 pf

Source ........................................ RCA DS 12/30/47
For other characteristics and typical operation, see 6B8

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Sat, 26 Nov 2022 03:08:52 -0700