NJ7P SQL Tube Database Query

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6888
Dual-Control Pentode

EIA Base & Outline

EIA Base: 8NEIA Bulb: 9-12
Source ........................................ GE - 1973

Mechanical Data

EIA Outline ................................... 9-12
EIA Base ...................................... 8N

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.8 A

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 12.0 pf
Output ........................................ 6.5 pf
Grid to Plate ................................. 0.7 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 150 V
Plate Dissipation ............................. 8.0 W
Grid No. 2 Dissipation ........................ 2.0 W

Characteristics and Typical Operation

Gated Amplifier
Plate Voltage ................................. 150 V
Grid No. 2 Voltage ............................ 90 V
Grid No. 1 Voltage ............................ -9.4 V
Plate Current ................................. 2.5 mA

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Mon, 28 Nov 2022 01:42:08 -0700