NJ7P SQL Tube Database Query

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6AS7
Low-Mu Twin Power Triode

EIA Base & Outline

EIA Base: 8BDEIA Bulb: 16-3

Substitute Data

Preferred Substitutes ......................... 6080
Substitutes ................................... 6520 5998 7236 7802
Source ........................................ ARRL HB - 1964

Application

Source ........................................ ARRL HB - 1964
Glass octal type used as a regulator tube in dc power supply units and in projection television booster scanning applications.

Mechanical Data

Source ........................................ ARRL HB - 1964
Bulb .......................................... ST-16
EIA Outline ................................... 16-3
EIA Base ...................................... 8BD

Electrical Data

Source ........................................ ARRL HB - 1964
Heater Voltage ................................ 6.3 V
Heater Current ................................ 2.5 A

Direct Interelectrode Capacitances (approx)

Each Triode
Source ........................................ ARRL HB - 1964
Input ......................................... 6.5 pf
Output ........................................ 2.2 pf
Grid to Plate ................................. 7.5 pf

Maximum Ratings (Design Center Values)

Each Triode
Source ........................................ ARRL HB - 1964
Plate Voltage ................................. 250 V
Plate Dissipation ............................. 13 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ ARRL HB - 1964
Plate Voltage ................................. 135 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 250 Ω
Amplification Factor .......................... 2
Plate Resistance (approx) ..................... 0.28K Ω
Transconductance .............................. 7000 µMho
Plate Current ................................. 125 mA

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Tue, 24 May 2022 01:04:33 -0700