Electronic tube and vacuum tube catalog

Base

Refer to variations

Socket code

Refer to variations

Sections

2

Heater

11 V / 3.1 A

Plate

S1: 300 V / 4 W · S2: 300 V / 4 W

Screen

S1: 200 V / 2.5 W · S2: 200 V / 2.5 W

Ik max

S1: 45 mA · S2: 45 mA

gm

S1: 7 mA/V · S2: 7 mA/V

μ

S1: 26 · S2: 26

9 pins

Quick-heating internally neutralized twin tetrode designed for RF power amplification and frequency multiplication in mobile or fixed equipment to approximately 500 MHz.

Base

Refer to variations

Socket code

B9A

Sections

2

Heater

11 V / 3.1 A

Plate

S1: 300 V / 4 W · S2: 300 V / 4 W

gm

S1: 7 mA/V · S2: 7 mA/V

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

Quick-heating internally neutralized twin tetrode designed for intermittent mobile RF power-amplifier and frequency-multiplier service; co-designated YL1130/8408.