NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

10JY8
Medium-Mu Triode - Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 9DXEIA Bulb: 6-3

Substitute Data

Preferred Substitutes ......................... 10KR8
Substitutes ................................... 10EB8 11LQ8
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used in tv receiver applications. The triode is used as a sync separator, sync clipper and phase inverter; the pentode is used as a video amplifier. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
EIA Outline ................................... 6-3
EIA Base ...................................... 9DX

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 10.5 V
Heater Current ................................ 0.45 A

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 330 V
Grid No. 2 Voltage ............................ 330 V
Plate Dissipation ............................. 5 W
Grid No. 2 Dissipation ........................ 1.1 W

Triode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 330 V
Plate Dissipation ............................. 2 W

Characteristics and Typical Operation

Triode Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 125 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 68 Ω
Amplification Factor .......................... 46
Plate Resistance (approx) ..................... 4.4K Ω
Transconductance .............................. 10400 µMho
Plate Current ................................. 15 mA

Pentode Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 100 Ω
Plate Resistance (approx) ..................... 55K Ω
Transconductance .............................. 11000 µMho
Plate Current ................................. 24 mA
Grid No. 2 Current ............................ 4.8 mA

A horizontal ribbon.

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A horizontal ribbon.

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Wed, 08 Feb 2023 22:05:43 -0700