NJ7P SQL Tube Database Query

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6187
Sharp-Cutoff Pentode

EIA Base & Outline

Mechanical Data

EIA Outline ................................... 5-1
EIA Base ...................................... 7CM

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.175 A

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 4.0 pf
Output ........................................ 3.0 pf
Grid to Plate ................................. 0.02 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 155 V
Plate Dissipation ............................. 1.65 W
Grid No. 2 Dissipation ........................ 0.55 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 120 V
Grid No. 2 Voltage ............................ 120 V
Grid No. 1 Voltage ............................ -2.0 V
Transconductance .............................. 3200 µ
Plate Current ................................. 5.2 mA
Grid No. 2 Current ............................ 3.5 mA

If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.

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Thu, 18 Aug 2022 00:26:28 -0700