NJ7P Tube Database Search

12AX7A
High-Mu Twin Triode

Base & Bulb ( RCA RC-29 - 1975)

Substitute Data

Preferred Substitutes ......................... 12DF7 12DM7
Substitutes ................................... 12AD7

Application

Miniature type used as phase inverter or amplifier in ac/dc radio equipment and in many diversified applications such a multivibrators or oscillators in industrial control devices.Requires noval 9-contact socket. For characteristics and curves, refer to 6AV6.

Mechanical Data

Outline ....................................... 6-2
EIA Base ...................................... 9A

Electrical Data

Heater Voltage ................................ 6.3/12.6 V
Heater Current ................................ 0.3/0.15 A

Direct Interelectrode Capacitances (approx)

Each Triode
Input ......................................... 1.6 pf
Output ........................................ 0.46 pf
Grid to Plate ................................. 1.7 pf

Direct Interelectrode Capacitances (approx)

Each Triode
Input ......................................... 1.6 pf
Output ........................................ 0.34 pf
Grid to Plate ................................. 1.7 pf

Maximum Ratings (Design Center Values)

Each Triode
Plate Voltage ................................. 330 V
Plate Dissipation ............................. 1.2 W

Maximum Ratings (Design Center Values)

Each Triode
Plate Voltage ................................. 330 V
Plate Dissipation ............................. 1.2 W

For other characteristics and typical operation, see 6AV6

Searched 20770 records on 3667 tube types

(c) 1995-2009 by NJ7P