® BUL89
HIGH
VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
s HIGH
VOLTAGE CAPABILITY s MINIMUM LOT-TO-LOT SPREAD FOR
RELIABLE OPERATION s LOW BASE-DRIVE REQUIREMENTS s VERY HIGH SWITCHING SPEED s FULLY CHARACTERIZED AT 125oC
APPLICATIONS s ELECTRONIC TRANSFORMER FOR
HALOGEN LAMPS s SWITCH MODE POWER SUPPLIES
DESCRIPTION The BUL89 is manufactured using high
voltage Multiepitaxial 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.
3 2 1
TO-220
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol VCES VCEO VEBO IC ICM IB I...