Ampera
AZ4
Rectifier · IHT · Side Contact P8A · 1937
“European high-current rectifier. HiFi favorite.”
Full-wave rectifier for vacuum tube power supply designs
GAIN0%
POWER0%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The AZ4 is a indirectly-heated rectifier from Philips·Telefunken, introduced around 1937. Commonly used in rectifier applications. European high-current rectifier. HiFi favorite.
APPLICATIONS
Power supply rectification
Generic rectifier rectifier stage
HISTORY
Introduced1937ManufacturerPhilips·TelefunkenEquivalentsRGN2004, AZ12
Pre-WarSPECIFICATIONS
Heater Voltage4V
Heater Current2A
Max Plate Voltage550V
Max Power—
Sensitivity—
Gain Factor—
Internal Impedance—
PinoutSide Contact P8A
Era1937
RaritySought-after
SPICE model not yet available. Loadline calculator requires calibrated Koren parameters.