Electronic tube and vacuum tube catalog

Base

38A

Socket code

Refer to variations

Electrical Summary

Heater	6.3 V / 2 A
Plate	900 V / 34 W
Screen	250 V / 7 W
Ik max	500 mA
rP	6,000 Ω
gm	9.5 mA/V
μ	4

Sections

1

9 pins

Magnoval horizontal-deflection output pentode for color television receivers, electrically related to EL509 and PL509 heater variants.

Base

9C18

Socket code

B9D

Electrical Summary

Heater	6.3 V / 2.5 A
Plate	900 V / 35 W
Screen	300 V / 7 W
Ik max	500 mA
rP	8,000 Ω
gm	18 mA/V

Sections

1

9 pins - B9D - Magnoval 9-contact

Heavy-duty power pentode for color-television horizontal-deflection output, combining approximately 35 W plate dissipation, high transconductance, and demanding flyback capability.

Base

Refer to variations

Socket code

B9D

Electrical Summary

Heater	6.3 V / 2 A
Plate	250 V / 40 W
Screen	275 V
Ik max	500 mA

Sections

1

9 pins - B9D - Magnoval 9-contact

High-power line-output pentode designed for color-television horizontal-deflection circuits.