0Z4 Cold-Cathode Rectifier Tube – Full-Wave Gas Rectifier

The 0Z4 is a full-wave, cold-cathode gas rectifier — it uses an ionic-heated cathode instead of a filament, and was a standard choice for vibrator-type power supplies in car radios and AC/DC sets.

• Tube type: Cold-cathode gas rectifier
• Base: Octal 8-pin
• Heater: None (cold-cathode, gas-ionization type)
• Typical use: Full-wave rectifier stage in vibrator-supply automotive radios and AC/DC receivers
• Rating: Up to 300V output at 75mA

Also cataloged as 0Z4-A.