BUL381 Datasheet | STMicroelectronics

® BUL381 BUL382 HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR s s s s s STM PREFERRED SALESTYPES HIGH VOLTAGE CAPABILITY MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION VERY HIGH SWITCHING SPEED FULLY CHARACTERISED AT 125oC APPLICATIONS ELECTRONIC BALLASTS FOR FLUORESCENT LIGHTING s SWITCH MODE POWER SUPPLIES s DESCRIPTION The BUL381 and BUL382 manufactured using high voltage Multiepitaxial Mesa technology for cost-effective high performance. They use a Hollow Emitter structure to enhance switching speeds. The BUL series is designed for use in lighting applications and low cost switch-mode power supplies. TO-220 INTERNAL SCHEMATIC...