NJ7P SQL Tube Database Query

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6AF3
Half-Wave Vacuum Rectifier

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 6BR3
Substitutes ................................... 6AL3 6R3
Source ........................................ GE DS 07/59

Application

Source ........................................ GE DS 07/59
Miniature type used as a damper tube in horizontal-deflection circuits of television receivers. Requires miniature 9-contact socket. Socket terminals 1, 2, 3, 6, 7, and 8 should not be used as tie points.

Source ........................................ GE DS 07/59
It is especially important that this tube, like other power handling tubes, be adequately ventilated.

Mechanical Data

Source ........................................ GE DS 07/59
Bulb .......................................... T-6 1/2
Base Type ..................................... Miniature Button 9-Pin
EIA Outline ................................... 6-8
EIA Base ...................................... 9CB
Top Cap ....................................... Skirted Miniature
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ GE DS 07/59
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 ....................... 300 V
Heater Negative with Respect to Cathode
DC Component ............................ 1000 V
Total DC and Peak ....................... 4500 V

Direct Interelectrode Capacitances (approx)

Diode
Source ........................................ GE DS 07/59
Output ........................................ 6.0 pf

Maximum Ratings (Design Center Values)

Diode
Source ........................................ GE DS 07/59
Peak Inverse Plate Voltage .................... 4500 V
Steady State Peak Plate Current Each Plate .... 750 mA
Steady State DC Output Current Each Plate ..... 185 mA
Voltage Drop @ Current ........................ 30 V @ 340 mA
Plate Dissipation ............................. 6.0 W
Bulb Temperature (At Hottest Point) ........... 210 °C

If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.

(c) 1994-2021 by William A. Beech, NJ7P

Thu, 20 Jan 2022 15:58:40 -0700