NJ7P SQL Tube Database Query

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A horizontal ribbon.

6EM5
Beam Power Pentode

EIA Base & Outline

EIA Base: 9HNEIA Bulb: 6-4

Substitute Data

Substitutes ................................... 6CZ5 6DT5
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature used as vertical-deflection amplifier in television receivers utilizing picture tubes having diagonal deflection angles of 110 degrees. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
Base Type ..................................... Miniature Button 9-Pin
EIA Outline ................................... 6-4
EIA Base ...................................... 9HN
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.8 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 10 pf
Output ........................................ 5.1 pf
Grid to Plate ................................. 0.7 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 315 V
Grid No. 2 Voltage ............................ 285 V
Plate Dissipation ............................. 10 W
Grid No. 2 Dissipation ........................ 1.5 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -18 V
Plate Resistance (approx) ..................... 50K Ω
Transconductance .............................. 5100 µMho
Plate Current ................................. 40 mA
Grid No. 2 Current ............................ 3 mA

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 60 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ 0 V
Plate Current ................................. 180 mA
Grid No. 2 Current ............................ 30 mA

Vertical Amplifier
Source ........................................ RCA RC-29 - 1975
DC Plate Supply Voltage ....................... 315 V
Peak Positive-Pulse Plate Voltage ............. 2200 V
DC Grid No. 2 Voltage ......................... 285 V
Peak Negative-Pulse Grid No. 1 Voltage ........ 250 V
Average Cathode Current ....................... 60 mA
Peak Cathode Current .......................... 210 mA
Plate Dissipation ............................. 10 W
Grid No. 2 Dissipation ........................ 1.5 W

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Wed, 07 Dec 2022 13:50:42 -0700