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6HB5
Beam Power Pentode

Base & Bulb ( RCA RC-29 - 1975)

Substitute Data

Substitutes ................................... 6GE5

Application

Duodecar type used as horizontal-deflection amplifier in tv receivers. Requires duodecar 12-contact socket.

Mechanical Data

Bulb .......................................... T-12
Base .......................................... E12-74 Button 12-Pin
Outline ....................................... 12-58
EIA Base ...................................... 12BJ
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.5 A
Maximum Heater-Cathode Voltage
Heater Positive with Respect to Cathode
DC Component .............................. 100 V
Total DC and Peak ......................... 200 V
Heater Negative with Respect to Cathode
DC Component .............................. 200 V
Total DC and Peak ......................... 200 V

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 22.0 pf
Output ........................................ 9.0 pf
Grid to Plate ................................. 0.4 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 770 V
Grid No. 2 Voltage ............................ 220 V
Plate Dissipation ............................. 18 W
Grid No. 2 Dissipation ........................ 3.5 W
Grid No. 1 Circuit Resistance
Fixed Bias .................................. 1M Ω
Self Bias ................................... 1M Ω

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 130 V
Grid No. 2 Voltage ............................ 130 V
Grid No. 1 Voltage ............................ -20 V
Plate Resistance (approx) ..................... 11000 Ω
Transconductance .............................. 9100 µ
Plate Current ................................. 50 mA
Grid No. 2 Current ............................ 1.75 mA
Grid No. 1 Voltage for Ib ..................... 1000 µa @ -33 V

Characteristics and Typical Operation

Hortz Deflection Amplifier
DC Plate Supply Voltage ....................... 770 V
Peak Positive-Pulse Plate Voltage ............. 6000 V
Peak Negative-Pulse Plate Voltage ............. 1500 V
DC Grid No. 2 Voltage ......................... 220 V
Peak Negative-Pulse Grid No. 1 Voltage ........ 330 V
Average Cathode Current ....................... 230 mA
Peak Cathode Current .......................... 800 mA
Plate Dissipation ............................. 18 W
Grid No. 2 Dissipation ........................ 3.5 W

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