BUL57 Datasheet (STMicroelectronics)

BUL57, NPN Transistor

The devices are manufactured using high voltage Multi Epitaxial Planar technology for high switching speeds and medium voltage capability.

They use a Cellular Emitter structure with planar edge termination to enhance switching speeds.

The devices are designed for use in lighting applications and low

® BUL57 BUL57FP HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTORS s s s s s s s s s STMicroelectronics PREFERRED SALESTYPES NPN TRANSISTORS HIGH VOLTAGE CAPABILITY LOW SPREAD OF DYNAMIC PARAMETERS MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION VERY HIGH SWITCHING SPEED FULLY CHARACTERIZED AT 125oC LARGE RBSOA TO-220FP FULLY ISOLATED PACKAGE (U.L.

COMPLIANT) 1 2 3 1 2 3 TO-220 TO-220FP APPLICATIONS: s ELECTRONIC BALLASTS FOR FLUORESCENT LIGHTING s SWITCH MODE POWER SUPPLIES DESCRIPT