NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6ES8
Variable-Mu Twin Triode

EIA Base & Outline

EIA Base: 9DEEIA Bulb: 6-2

Substitute Data

Preferred Substitutes ......................... 6DJ8
Substitutes ................................... 6DT8
Source ........................................ CS-363

Application

Source ........................................ CS-363
Miniature type used as rf amplifier in vhf tuners of television receivers. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ CS-363
Bulb .......................................... T-6 1/2
Base Type ..................................... Miniature Button 9-Pin
EIA Outline ................................... 6-2
EIA Base ...................................... 9DE
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ CS-363
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.365 A

Direct Interelectrode Capacitances (approx)

Each Triode
Source ........................................ CS-363
Input ......................................... 3.4 pf
Output ........................................ 1.7 pf
Grid to Plate ................................. 1.9 pf

Maximum Ratings (Design Center Values)

Each Triode
Source ........................................ CS-363
Plate Voltage ................................. 130 V
Plate Dissipation ............................. 1.8 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ CS-363
Plate Voltage ................................. 130 V
Grid No. 1 Voltage ............................ -1.2 V
Amplification Factor .......................... 34
Transconductance .............................. 12.5K µMho
Plate Current ................................. 15 mA

Class A Amplifier
Source ........................................ CS-363
Plate Voltage ................................. 90 V
Grid No. 1 Voltage ............................ -1.4 V
Amplification Factor .......................... 34
Plate Resistance (approx) ..................... 2.5K Ω
Transconductance .............................. 12.5K µMho
Plate Current ................................. 15.0 mA

A horizontal ribbon.

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A horizontal ribbon.

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Fri, 24 Jun 2022 18:55:02 -0700