DESCRIPTION
The BUL38D is manufactured using high voltage Multi Epitaxial Planar technology for high switching speeds and high voltage withstand capability.
The BUL series is designed for use in lighting applications and low cost switch-mode power supplies.

■ STMicroelectronics PREFERRED SALESTYPE
■ HIGH VOLTAGE CAPABILITY
■ LOW SPREAD OF DYNAMIC PARAMETERS
■ MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION
■ LOW BASE-DRIVE REQUIREMENTS
■ VERY HIGH SWITCHING SPEED
■ FULLY CHARACTERISED AT 125oC
■ HIGH RUGGEDNESS
■ INTEGRATED ANTIPARALLEL COLLECTOR-EMITTER DIODE

APPLICATIONS
■ ELECTRONIC TRANSFORMERS FOR HALOGEN LAMPS
■ SWITCH MODE POWER SUPPLIES