RECTRON SEMICONDUCTOR TECHNICAL SPECIFICATION FM4.
FM4003W - SURFACE MOUNT SILICON RECTIFIER (VOLTAGE RANGE 50 to 1000 Volts CURRENT 1.0 Ampere)
FM4003 - GLASS PASSIVATED SILICON RECTIFIER(VOLTAGE RANGE 50 to 1000 Volts CURRENT 1.0 Ampere)
FM4003G - (FM4001G - FM4007G) 1.0A Surface Mount General Purpose Rectifiers