Electronic tube and vacuum tube catalog

Base

9FX

Socket code

B9A

Sections

2

Heater

18.9 V / 150 mA

Plate

S1: 250 V / 2.7 W · S2: 250 V / 2.8 W

Screen

S2: 150 V / 0.55 W

Ik max

S1: 25 mA · S2: 25 mA

rP

S1: 5,000 Ω · S2: 100,000 Ω

gm

S1: 8 mA/V · S2: 6.4 mA/V

μ

S1: 40

9 pins - B9A - Small-button Noval 9-contact

Triode-tetrode used as an FM converter and RF amplifier in radio receivers.

Base

9FX

Socket code

B9A

Sections

2

Heater

4.7 V / 600 mA

Plate

S1: 300 V / 2.7 W · S2: 300 V / 2.8 W

Screen

S2: 300 V / 0.5 W

rP

S1: 5,000 Ω · S2: 100,000 Ω

gm

S1: 8 mA/V · S2: 5.8 mA/V

μ

S1: 40

9 pins - B9A - Small-button Noval 9-contact

Triode-tetrode designed for VHF oscillator and mixer service.

Base

9FX

Socket code

B9A

Sections

2

Heater

4.7 V / 600 mA

Plate

S1: 300 V / 2.7 W · S2: 300 V / 2.8 W

Screen

S2: 300 V / 0.5 W

rP

S1: 5,000 Ω · S2: 100,000 Ω

gm

S1: 8 mA/V · S2: 6.4 mA/V

μ

S1: 40

9 pins - B9A - Small-button Noval 9-contact

Medium-mu triode and sharp-cutoff tetrode used as a combined VHF oscillator and mixer in television receivers.

Base

—

Socket code

—

Sections

2

Heater

6.3 V / 450 mA

Plate

S1: 300 V / 2.8 W · S2: 300 V / 2.7 W

Screen

S1: 300 V / 0.5 W

rP

S1: 100,000 Ω · S2: 5,000 Ω

μ

S2: 40

9 pins

Triode-tetrode designed for VHF oscillator and mixer service.

Base

9FX

Socket code

B9A

Sections

2

Heater

6.3 V / 450 mA

Plate

S1: 330 V / 3 W · S2: 330 V / 2.5 W

Screen

S1: 330 V / 0.55 W · S2: 125 V

rP

S1: 200,000 Ω · S2: 5,000 Ω

gm

S1: 7 mA/V · S2: 8 mA/V

μ

S2: 40

9 pins - B9A - Small-button Noval 9-contact

Miniature triode-tetrode used as a combined VHF oscillator and mixer in color and black-and-white television receivers.

Base

9GE

Socket code

B9A

Sections

2

Heater

6.3 V / 450 mA

Plate

S1: 330 V / 3.2 W · S2: 330 V / 3.1 W

Screen

S2: 330 V / 0.7 W

rP

S1: 5,000 Ω · S2: 140,000 Ω

gm

S1: 8 mA/V · S2: 5.8 mA/V

μ

S1: 40

9 pins - B9A - Small-button Noval 9-contact

Television triode-tetrode whose tetrode serves as mixer, video-IF, or sound-IF amplifier while the triode provides associated signal functions.