430C Western Electric NOS 1974 (8 in stock)
$ 15.99
8) 430C WE NOS original boxes 1974 most have wrinkled black coating on glass
Notes:
3-Element gas-filled cold-cathode tube
Contains 99% Neon, 1% argon
Krypton (Kr-85) was increased over the 430B to obtain faster and more consistent ionization time
Peak forward anode voltage = 185V
Forward peak cathode current = 100ma
Average cathode current = 35ma
Peak inverse anode current = 5ma
Starter breakdown = 70V
Starter Vdrop at 20ma = 60V
Anode drop at 20ma = 75V
Used in:
Translator Circuit of Automatic Message Accounting equipment
No. 1 and No. 5 crossbar telephone systems
See more: vacuum tube
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