Electronic tube and vacuum tube catalog

Base

9LY

Socket code

B9A

Electrical Summary

Heater	11.6 V / 450 mA
Plate	S1: 250 V / 0.5 WS2: 250 V / 7 W
Screen	S2: 250 V / 2 W
Ik max	S1: 200 mAS2: 75 mA
rP	S1: 7,600 ΩS2: 25,000 Ω
gm	S1: 6.5 mA/VS2: 7.5 mA/V
μ	S1: 50S2: 50

Sections

2

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

Miniature triode-pentode for television sync-amplifier and video-output applications. It is electrically equivalent to related ECL85-family types except for heater rating, combining small-signal control and output functions.

Base

9LY

Socket code

B9A

Electrical Summary

Heater	18 V / 300 mA
Plate	S1: 250 V / 0.5 WS2: 250 V / 7 W
Screen	S2: 250 V / 2 W
Ik max	S2: 75 mA
rP	S1: 7,600 ΩS2: 25,000 Ω
gm	S1: 6.5 mA/VS2: 7.5 mA/V
μ	S1: 50

Sections

2

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

Triode/power-pentode combination for television sync amplification and video-output service.