12AU7 (ECC82) (TJ FULLMUSIC. GOLD PIN. Single piece.)

Description

12AU7:

Classification- It is a Twin triode. It is a nine golden pins tube. Oxide coated of indirect heated.

Application -It intended for use a voltage amplifier or Phase inverter.

Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1, and 2.

Fig 1                                                                                  Fig 2

Nominal operating conditions and parameters

Heater voltage ……………………………………………………………… 12.6V

Heater current ……………………………………………………………… 0.15A

Plate voltage ………………………………………………………………… 250V

Grid voltage ………………………………………………………………… -8.5V

Plater resistance …………………………………………………………… 7.7kohms

Plate current ………………………………………………………………… 10.5mA

Amplification factor …………………………………………………………… 17

Characteristics-Average characteristics

Figure 3. shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.

Fig 3

Limiting Operation Conditions for Safe Nor simultaneous ratings

Maximum plate voltage ………………………………………………… 300V

Maximum Grid voltage ………………………………………………… -50V

Maximum Grid voltage ………………………………………………… 0V

Maximum Power of plate ……………………………………………… 1.0W