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BUF405A Datasheet PDF

STMicroelectronics BUF405A

The superior switching performance and low crossover losses reduce dissipation and consequently lowers the equipment operating temperature.
Part No. BUF405A
Datasheet BUF405A Download
Manufacturer
STMicroelectronics
Description HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTORS
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BUF405A datasheet page 1 preview

APPLICATIONS

100 KHz SWITCHING SPEED LOW COST DRIVE CIRCUITS LOW DYNAMIC SATURATION 3 3 1 2

APPLICATIONS

: s SWITCH MODE POWER SUPPLIES s MOTOR DRIVERS

DESCRIPTION

These Easy-to-Drive FASTSWITCH NPN power transistors are specially designed for high reliability industrial and professional power driving applications such us motor drives and off-line switching power supplies. ETD transistors will operate using easy drive circuits at up to 100KHz; this helps to simplify designs and improve reliability. 1 2 TO-220 TO-220FP INTERNAL SCHEMATIC DIAGRAM

ABSOLUTE MAXIMUM RATINGS

Symb ol V CEV V CEO VEBO IC I CM IB I BM P tot T s tg Tj Parameter BUF405A Collector-Emitter Voltage (V BE = -1.5 V) Collector-Emitter Voltage (I B = 0) Emitter-Base Voltage (I C = 0) Collector Current Collector Peak Current (tp < 5 ms) Base Current Base Peak Current (tp < 5 ms) o T otal Dissipation at T c = 25 C Storage Temperature Max O peration Junction T emperature 1000 450 7 7.5 15 3 4.5 80 -65 to 150 150 39 Valu e BUF405AF P V V V A A A A W o C o C Un it January 1999 1/6 BUF405A / BUF405AFP THERMAL DATA T O-220 R t hj-ca se Thermal Resistance Junction-Case Max 1.
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