Electronic tube and vacuum tube catalog

Base

4R

Socket code

IO

Electrical Summary

Ik max	S1: 75 mA
Rectifier	S1: 75 mAS2: 75 mA
V Drop	S1: 24 VS2: 24 V
V Inverse	S1: 1,000 VS2: 1,000 V

Sections

2

4 pins - IO - International Octal

Gas-filled cold-cathode full-wave rectifier for power supplies without a heater or filament supply. Two rectifier sections provide full-wave operation with relatively low gas-discharge forward voltage.

Base

Refer to variations

Socket code

IO

Electrical Summary

Rectifier	S1: 110 mAS2: 110 mA
V Drop	S1: 24 VS2: 24 V
V Inverse	S1: 880 VS2: 880 V

Sections

2

8 pins - IO - International Octal

Gas-filled full-wave rectifier with an ionically heated cathode for vibrator-type power supplies. It operates without a separate heater supply and provides useful current with low gas-discharge forward voltage.