WE274B
Rectifier · DHT · Octal · 1935
“Original Western Electric production. Legendary.”
Full-wave rectifier for vacuum tube power supply designs
GAIN0%
POWER0%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The WE274B is a directly-heated rectifier from Western Electric, introduced around 1935. Commonly used in rectifier applications. Original Western Electric production. Legendary.
APPLICATIONS
Power supply rectification
Generic rectifier rectifier stage
VS 274B
HISTORY
Introduced1935ManufacturerWestern ElectricEquivalents274B, WE274A
Pre-WarSPECIFICATIONS
Heater Voltage5V
Heater Current2A
Max Plate Voltage550V
Max Power—
Sensitivity—
Gain Factor—
Internal Impedance—
PinoutOctal
Era1935
RarityLegendary
SPICE model not yet available. Loadline calculator requires calibrated Koren parameters.