DESCRIPTION
The device is manufactured using high voltage Multi-Epitaxial Mesa technology for cost-effective high performance. It uses 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.

■ STMicroelectronics PREFERRED SALES TYPE
■ NPN TRANSISTOR
■ HIGH VOLTAGE CAPABILITY
■ VERY HIGH SWITCHING SPEED
■ FULLY CHARACTERISEZ AT 125 oC
■ LOW SPREAD OF DYNAMIC PARAMETERS

APPLICATIONS
■ ELECTRONIC BALLAST FOR FLUORESCENT LIGHTING
■ SWITCH MODE POWER SUPPLIES