NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6MU8
Medium-Mu Triode - Semiremote-Cutoff Pentode

EIA Base & Outline

EIA Base: 9AEEIA Bulb: 6-3

Substitute Data

Substitutes ................................... 6AE8
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used in color and bw tv receivers. The pentode is used in burst-amplifier circuits, and the triode is used as a general amplifier tube. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-3
EIA Base ...................................... 9AE

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.6 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 9 pf
Output ........................................ 3.6 pf
Grid to Plate ................................. 0.05 pf

Triode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 3 pf
Output ........................................ 2.2 pf
Grid to Plate ................................. 2.2 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 330 V
Grid No. 2 Voltage ............................ 330 V
Plate Dissipation ............................. 3.75 W
Grid No. 2 Dissipation ........................ 1.1 W

Triode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 330 V
Plate Dissipation ............................. 2.5 W

Characteristics and Typical Operation

Triode Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 125 V
Grid No. 1 Voltage ............................ -1 V
Amplification Factor .......................... 35
Plate Resistance (approx) ..................... 5.8K Ω
Transconductance .............................. 6000 µMho
Plate Current ................................. 11.5 mA

Pentode Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 150 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 150 Ω
Plate Resistance (approx) ..................... 165K Ω
Transconductance .............................. 9000 µMho
Plate Current ................................. 19 mA
Grid No. 2 Current ............................ 4.2 mA

A horizontal ribbon.

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A horizontal ribbon.

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Sat, 25 Mar 2023 03:46:31 -0700