® BUL128
HIGH
VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
s STMicroelectronics PREFERRED SALESTYPE
s NPN TRANSISTOR s HIGH
VOLTAGE CAPABILITY s LOW SPREAD OF DYNAMIC PARAMETERS s MINIMUM LOT-TO-LOT SPREAD FOR
RELIABLE OPERATION s VERY HIGH SWITCHING SPEED
APPLICATIONS: s ELECTRONIC BALLASTS FOR
FLUORESCENT LIGHTING
DESCRIPTION The device is manufactured using high
voltage Multi Epitaxial Planar technology for high switching speeds and medium
voltage capability.
It uses a Cellular Emitter structure with planar edge termination to enhance switching speeds while maintaining the wide RBSOA.
The device is designed for use in lighting applications and low cost switch-mode power supplies.
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