Electronic tube and vacuum tube catalog

Base

Philips 4-pin

Socket code

RSH30

Electrical Summary

Plate	100 V
rP	15,000 Ω
gm	0.4 mA/V
μ	6

Sections

1

4 pins - RSH30 - Soviet RSh30 13-pin display/counting tube base family

Cold-cathode glow-discharge Dekatron intended for counting, switching, and counting/calculating equipment. A blue visible glow transfers between cathodes as the device advances, combining electronic counting or commutation with direct visual indication.

Base

Philips 4-pin

Socket code

—

Electrical Summary

Plate	120 V
rP	22,500 Ω
gm	0.4 mA/V
μ	9

Sections

1

4 pins

Cold-cathode glow-discharge Dekatron intended for counting, switching, and counting/calculating equipment. The blue discharge moves sequentially between cathodes, serving as both the active switching/counting mechanism and a visible state indicator.