NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

1U5
Diode - Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 6BWEIA Bulb: 5-2

Substitute Data

Preferred Substitutes ......................... 1DN5
Substitutes ................................... 1AS5
Source ........................................ RCA RC-15 - 1947

Application

Source ........................................ RCA RC-15 - 1947
Miniature type used as combined detector and af voltage amplifier in lightweight, compact, portable, battery-operated receivers. Requires miniature 7-contact socket and may be mounted in any position.

Mechanical Data

Source ........................................ RCA RC-15 - 1947
Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-2
EIA Base ...................................... 6BW
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-15 - 1947
Filament Voltage .............................. 1.4 DC V
Filament Current .............................. 0.05 A

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 67.5 V
Grid No. 2 Voltage ............................ 67.5 V
Grid No. 1 Voltage ............................ 0 V
Plate Resistance (approx) ..................... 600K Ω
Transconductance .............................. 625 µMho
Plate Current ................................. 1.6 mA
Grid No. 2 Current ............................ 0.4 mA

A horizontal ribbon.

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A horizontal ribbon.

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Sun, 26 Jun 2022 04:51:46 -0700