NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

13V10
Beam Power Tube - Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 12EZ

Substitute Data

Preferred Substitutes ......................... 12AE10
Source ........................................ RCA RC-29 - 1975

Application

Duodecar type used as combined FM detector and af output amplifier in tv receivers. Requires duodecar 12-contact socket.

Mechanical Data

EIA Base ...................................... 12EZ

Electrical Data

Heater Voltage ................................ 13.2 V
Heater Current ................................ 0.45 A

Maximum Ratings (Design Center Values)

Beam Pentode
Plate Voltage ................................. 165 V
Grid No. 2 Voltage ............................ 150 V
Plate Dissipation ............................. 6.5 W
Grid No. 2 Dissipation ........................ 1.8 W

Pentode
Plate Voltage ................................. 330 V
Grid No. 2 Voltage ............................ 330 V
Plate Dissipation ............................. 1.7 W
Grid No. 2 Dissipation ........................ 1.1 W

Characteristics and Typical Operation

Beam Power Class A Amplifier
Plate Voltage ................................. 145 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage ............................ -6 V
Peak Grid No. 1 Voltage........................ 6 V
Plate Resistance (approx) ..................... 58K Ω
Transconductance .............................. 6400 µMho
Plate Current (Zero Signal) ................... 34 mA
Plate Current (Maximum Signal) ................ 36 mA
Grid No. 2 Current (Zero Signal) .............. 2.2 mA
Grid No. 2 Current (Maximum Signal) ........... 5.5 mA
Load Resistance ............................... 3K Ω
Power Output (approx) ......................... 1.5 W

Pentode Class A Amplifier
Plate Voltage ................................. 150 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 560 Ω
Plate Resistance (approx) ..................... 150K Ω
Transconductance .............................. 1000 µMho
Plate Current ................................. 1.3 mA
Grid No. 2 Current ............................ 2 mA

A horizontal ribbon.

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A horizontal ribbon.

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Tue, 29 Nov 2022 01:40:30 -0700