NJ7P SQL Tube Database Query

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6DZ4
Medium-Mu Triode

EIA Base & Outline

EIA Base: 7DKEIA Bulb: 5-1

Substitute Data

Preferred Substitutes ......................... 6AF4 6T4
Substitutes ................................... 6AN4 6DX4
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used as a local-oscillator tube in uhf color and black-and-white television receivers covering the frequency range from 470 to 890 MHz. Requires miniature 7-contact socket. For curve of average plate characteristics, refer to 6AF4A.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-5 1/2
EIA Outline ................................... 5-1
EIA Base ...................................... 7DK

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.225 A

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 2.2 pf
Output ........................................ 1.3 pf
Grid to Plate ................................. 1.8 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 2 V
Plate Dissipation ............................. 2.3 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 80 V
Grid No. 1 Voltage ............................ -11 V
Amplification Factor .......................... 14
Plate Resistance (approx) ..................... 2.0K Ω
Transconductance .............................. 6700 µMho
Plate Current ................................. 15 mA

UHF Oscillatorillator
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 135 V

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Thu, 18 Aug 2022 09:17:42 -0700