NJ7P SQL Tube Database Query

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6AN8A
Medium-Mu Triode - Sharp-Cutoff Pentode

EIA Base & Outline

Application

Source ........................................ TS DS 11/01/62
Miniature type used in color television receiver applications. The pentode unit is used as an if amplifier, a video amplifier, an agc amplifier, or a reactance tube.

Source ........................................ TS DS 11/01/62
The triode unit is used in low-frequency oscillator, sync-separator, sync-clipper, and phase-splitter circuits. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ TS DS 11/01/62
Bulb .......................................... T-6 1/2
Base Type ..................................... E9-1 Small Button 9-Pin
EIA Outline ................................... 6-2
EIA Base ...................................... 9DA
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ TS DS 11/01/62
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.45 A
Heater Warm-up Time ........................... 11 s
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 ........................................ TS DS 11/01/62
Input ......................................... 7.0 pf
Output ........................................ 2.4 pf
Grid to Plate ................................. 0.04 pf

Triode
Source ........................................ TS DS 11/01/62
Input ......................................... 2.0 pf
Output ........................................ 0.26 pf
Grid to Plate ................................. 1.5 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ TS DS 11/01/62
Plate Voltage ................................. 330 V
Grid No. 2 Voltage ............................ 330 V
Positive Grid No. 1 Voltage ................... 0 V
Plate Dissipation ............................. 2.3 W
Grid No. 2 Dissipation ........................ 0.55 W
Grid No. 1 Circuit Resistance
Fixed Bias ................................. 1M Ω
Self Bias .................................. 250K Ω

Triode
Source ........................................ TS DS 11/01/62
Plate Voltage ................................. 330 V
Positive Grid No. 1 Voltage ................... 0 V
Plate Dissipation ............................. 2.8 W
Grid No. 1 Circuit Resistance
Fixed Bias ................................. 1M Ω
Self Bias .................................. 500K Ω

Characteristics and Typical Operation

Triode Class A Amplifier
Source ........................................ TS DS 11/01/62
Plate Voltage ................................. 150 V
Grid No. 1 Voltage ............................ -3.0 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 0 Ω
Amplification Factor .......................... 21
Plate Resistance (approx) ..................... 4700 Ω
Transconductance .............................. 4500 µ
Plate Current ................................. 15 mA
Grid No. 1 Voltage for Ib ..................... 20 µa @ -17.0 V

Pentode Class A Amplifier
Source ........................................ TS DS 11/01/62
Plate Voltage ................................. 125 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage ............................ 0 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 56 Ω
Plate Resistance (approx) ..................... 170K Ω
Transconductance .............................. 7800 µ
Plate Current ................................. 12 mA
Grid No. 2 Current ............................ 3.8 mA
Grid No. 1 Voltage for Ib ..................... 20 µa @ -6.0 V

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

Fri, 19 Aug 2022 23:12:51 -0700