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6BF5
Beam Power Pentode

EIA Base & Outline

EIA Base: 7BZEIA Bulb: 5-3

Substitute Data

Substitutes ................................... 6DS5 6HG5 6HR5 6
Source ........................................ RCA DS 10/01/53

Application

Source ........................................ RCA DS 10/01/53
Miniature type used as a vertical-deflection amplifier in television receivers. Requires miniature 7-contact socket.

Mechanical Data

Source ........................................ RCA DS 10/01/53
Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-3
EIA Base ...................................... 7BZ
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA DS 10/01/53
Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.2 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
Total DC and Peak ....................... 200 V

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA DS 10/01/53
Input ......................................... 14 pf
Output ........................................ 6 pf
Grid to Plate ................................. 0.65 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA DS 10/01/53
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 117 V
Plate Dissipation ............................. 5.5 W
Grid No. 2 Dissipation ........................ 1.25 W
Grid No. 1 Circuit Resistance
Self Bias .................................. 2.2M Ω

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA DS 10/01/53
Plate Voltage ................................. 110 V
Grid No. 2 Voltage ............................ 110 V
Grid No. 1 Voltage ............................ -7.5 V
Peak Grid No. 1 Voltage........................ 7.5 V
Amplification Factor .......................... 36
Plate Resistance (approx) ..................... 12K Ω
Transconductance .............................. 7500 µMho
Plate Current (Zero Signal) ................... 36 mA
Plate Current (Maximum Signal) ................ 39 mA
Grid No. 2 Current (Zero Signal) .............. 4 mA
Grid No. 2 Current (Maximum Signal) ........... 10.5 mA
Load Resistance ............................... 2.5K Ω
Power Output (approx) ......................... 1.9 W
Total Harmonic Distortion ..................... 10 %

Tri Class A Amplifier
Source ........................................ RCA DS 10/01/53
Plate Voltage ................................. 225 V
Grid No. 1 Voltage ............................ -30 V
Amplification Factor .......................... 6.7
Plate Resistance (approx) ..................... 2500 Ω
Transconductance .............................. 2700 µMho
Plate Current ................................. 10 mA
Grid No. 1 Voltage for Ib ..................... 500 µa @ -40 V
Driving Power ................................. W
Load Resistance ............................... Ω
Power Output (approx) ......................... W
Maximum Frequency ............................. MHz
Total Harmonic Distortion ..................... %

Tri Vertical Deflection Amp
Source ........................................ RCA DS 10/01/53
DC Plate Supply Voltage ....................... 250 V
Peak Positive-Pulse Plate Voltage ............. 900 V
Average Cathode Current ....................... 40 mA
Peak Cathode Current .......................... 120 mA
Plate Dissipation ............................. 5 W

Notes

Source ........................................ RCA DS 10/01/53
1. Grid 2 connected to plate for triode connection.

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Thu, 29 Sep 2022 00:10:16 -0700