Electronic tube and vacuum tube catalog

Base

12BT

Socket code

B12C

Sections

2

Heater

6.3 V / 950 mA

Plate

S1: 150 V / 10 W · S2: 275 V / 10 W

Screen

S1: 110 V / 2 W · S2: 275 V / 2 W

Ik max

S1: 13 mA · S2: 13 mA

rP

S1: 100,000 Ω · S2: 100,000 Ω

gm

S1: 6.5 mA/V · S2: 6.5 mA/V

12 pins - B12C - Duodecar 12-contact

Duodecar combination tube for FM limiting, discrimination, and audio power output in radio and television receivers, integrating signal processing with a beam-power sound-output section.

Base

12BT

Socket code

B12C

Sections

2

Heater

6.3 V / 950 mA

Plate

S1: 330 V / 1.5 W · S2: 275 V / 10 W

Screen

S1: 330 V / 0.8 W · S2: 275 V / 2 W

Ik max

S1: 13 mA · S2: 55 mA

rP

S1: 250,000 Ω · S2: 100,000 Ω

gm

S1: 0.36 mA/V · S2: 6.5 mA/V

12 pins - B12C - Duodecar 12-contact

Combination tube integrating an FM discriminator or limiter function with a beam-power audio-output section for radio and television receiver service.