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BD533 BD535 BD537
BD534 BD536
Complementary power transistors
Features .
BD533, BD535, and BD537 are NPN
transistors
Description
The devices are manufactured in Planar 2
3
1
technology with "Base Island" layout. The
resulting transistor shows exceptional high gain
performance coupled with very low saturation TO-220
voltage. The PNP types are BD534 and BD536.
Figure 1. Internal schematic diagrams
Table 1. Device summary
Order code Marking Package Packaging
BD533 BD533
BD534 BD534
BD535 BD535 TO-220 Tube
BD536 BD536
BD537 BD537
July 2007 Rev 4 1/11
www.st.com 11
Absolute maximum ratings BD533 BD534 BD535 BD536 BD537
1 Absolute maximum ratings
Table 2. Absolute maximum ratings
Symbol Parameter Value Unit
NPN BD533 BD535 BD537
PNP BD534 BD536
VCBO Collector-base voltage (IE = 0) 45 60 80 V
VCES Collector-emitter voltage (VB = 0) 45 60 80 V
VCEO Collector-base voltage (IB = 0) 45 60 80 V
VEBO Emitter-base voltage (IC = 0) 5 V
IC Collector current 8 A
IB Base current 1 A
PTOT Total dissipation at Tcase = 25