Electronic tube and vacuum tube catalog

Base

9NF

Socket code

B9A

Sections

2

Heater

9.7 V / 600 mA

Plate

S1: 330 V / 1 W · S2: 275 V / 7 W

Ik max

S1: 20 mA · S2: 50 mA

rP

S1: 40,000 Ω · S2: 925 Ω

gm

S1: 1.6 mA/V · S2: 6.5 mA/V

μ

S1: 68 · S2: 6

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

Dissimilar dual triode for television vertical deflection, combining a high-mu oscillator section with a low-mu, high-current output triode designed for pulsed vertical-amplifier operation.

Base

Refer to variations

Socket code

Refer to variations

Sections

2

Heater

9.7 V / 600 mA

Plate

S1: 330 V / 1.5 W · S2: 330 V / 10 W

Ik max

S1: 20 mA · S2: 50 mA

rP

S1: 40,000 Ω · S2: 800 Ω

gm

S1: 1.6 mA/V · S2: 7.5 mA/V

μ

S1: 64 · S2: 6

Refer to variations