NJ7P SQL Tube Database Query

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1DN5
Diode - Semiremote-Cutoff Pentode

EIA Base & Outline

EIA Base: 6BWEIA Bulb: 5-2

Substitute Data

Preferred Substitutes ......................... 1U5
Substitutes ................................... 1AS5
Source ........................................ RCA RC-20 - 1960

Mechanical Data

Source ........................................ RCA RC-20 - 1960
Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-2
EIA Base ...................................... 6BW
Cathode ....................................... Coated Filament
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-20 - 1960
Filament Voltage .............................. 1.4 DC V
Filament Current .............................. 0.05 A

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-20 - 1960
Plate Voltage ................................. 90 V
Grid No. 2 Voltage ............................ 90 V
Negative Grid No. 1 Voltage ................... V
Positive Grid No. 1 Voltage ................... V
Plate Input ................................... W
Plate Dissipation ............................. W
Grid No. 2 Dissipation ........................ W
Cathode Current ............................... mA
Grid No. 1 Circuit Resistance
Fixed Bias ................................. Ω
Self Bias .................................. Ω
Bulb Temperature (At Hottest Point) ........... °C

Characteristics and Typical Operation

Pentode Class A Amplifier
Source ........................................ RCA RC-20 - 1960
Plate Voltage ................................. 67.5 V
Grid No. 2 Voltage ............................ 67.5 V
Grid No. 1 Voltage ............................ 0 V
Plate Resistance (approx) ..................... 600K Ω
Transconductance .............................. 630 µMho
Plate Current ................................. 2.1 mA
Grid No. 2 Current ............................ 0.55 mA

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Tue, 28 Jun 2022 01:49:26 -0700