UY85
Rectifier · IHT · 9-pin Noval · 1955
“Series-heater half-wave rectifier.”
Full-wave rectifier for vacuum tube power supply designs
GAIN0%
POWER0%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The UY85 is a indirectly-heated rectifier from Mullard·Philips, introduced around 1955. Commonly used in rectifier applications. Series-heater half-wave rectifier.
APPLICATIONS
Power supply rectification
Generic rectifier rectifier stage
HISTORY
Introduced1955ManufacturerMullard·PhilipsEquivalents38A3, U381
Golden AgeSPECIFICATIONS
Heater Voltage38V
Heater Current0.1A
Max Plate Voltage250V
Max Power—
Sensitivity—
Gain Factor—
Internal Impedance—
Pinout9-pin Noval
Era1955
RarityCommon
SPICE model not yet available. Loadline calculator requires calibrated Koren parameters.