Electronic tube and vacuum tube catalog

Base

Refer to variations

Socket code

Refer to variations

Electrical Summary

Heater	11 V / 3.1 A
Plate	S1: 300 V / 4 WS2: 300 V / 4 W
Screen	S1: 200 V / 2.5 WS2: 200 V / 2.5 W
Ik max	S1: 45 mAS2: 45 mA
gm	S1: 7 mA/VS2: 7 mA/V
μ	S1: 26S2: 26

Sections

2

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

Electrical Summary

Heater	11 V / 3.1 A
Plate	S1: 300 V / 4 WS2: 300 V / 4 W
gm	S1: 7 mA/VS2: 7 mA/V

Sections

2

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.