The following content is an automatically extracted verbatim text
from the original manufacturer datasheet and is provided for reference purposes only.
View original datasheet text
® BUL381D
HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
s STMicroelectronics PREFERRED SALESTYPE
s HIGH VOLTAGE CAPABILITY s LOW SPREAD OF DYNAMIC PARAMETERS s MINIMUM LOT-TO-LOT SPREAD FOR
RELIABLE OPERATION s VERY HIGH SWITCHING SPEED s LARGE RBSOA s INTEGRATED ANTIPARALLEL
COLLECTOR-EMITTER DIODE
APPLICATIONS s ELECTRONIC TRANSFORMERS FOR
HALOGEN LAMPS s ELECTRONIC BALLASTS FOR
FLUORESCENT LIGHTING s SWITCH MODE POWER SUPPLIES
DESCRIPTION The BUL381D is manufactured using high voltage Multi Epitaxial Planar technology for high switching speeds and high voltage capability. The BUL series is designed for use in lighting applications and low cost switch-mode power supplies.