NJ7P SQL Tube Database Query

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A horizontal ribbon.

6FH5
High-Mu Triode

EIA Base & Outline

EIA Base: 7FPEIA Bulb: 5-2

Substitute Data

Preferred Substitutes ......................... 6ER5 6ES5 6FQ5
Substitutes ................................... 6FY5 6GK5
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used as an rf amplifier in vhf tuners of color and black-and-white television receivers. Requires miniature 7-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-2
EIA Base ...................................... 7FP
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.2 A

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 3.2 pf
Output ........................................ 4.0 pf
Grid to Plate ................................. 0.52 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 150 V
Plate Dissipation ............................. 2.2 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 135 V
Grid No. 1 Voltage ............................ -1 V
Amplification Factor .......................... 50
Plate Resistance (approx) ..................... 5600 Ω
Transconductance .............................. 9000 µMho
Plate Current ................................. 11 mA

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A horizontal ribbon.

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Thu, 18 Aug 2022 10:26:40 -0700