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Motorola Bipolar Power Transistor Device Data
For Isolated Package Applications
The BUT11AF was designed for use in line operated switching power supplies in a
wide range of end use applications. This device combines the latest state of the art
bipolar fabrication techniques to provide excellent switching, high voltage capability
and low saturation voltage.
•1000 Volt VCES Rating
•Low Base Drive Requirements
•Isolated Overmold Package
•Improved System Efficiency
•No Isolating Washers Required
•Reduced System Cost
•High Isolation Voltage Capability (4500 VRMS)
MAXIMUM RATINGS
Rating Symbol Value Unit
Collector–Emitter Sustaining Voltage VCEO(sus) 450 Vdc
Collector–Emitter Breakdown Voltage VCES 1000 Vdc
Emitter–Base Voltage VEBO 9.0 Vdc
RMS Isolation Voltage (For 1 sec, Per Figure 7 VISOL1 4500
TA = 25°C, Rel. Humidity < 30%) Per Figure 8 VISOL2 3500 V
Per Figure 9 VISOL3 2500
Collector Current — Continuous
Collector Current — Pulsed (1) IC
ICM 5.0
10 Adc
Base Current — Continuous
Base Current — Pulsed (1) IB
IBM 2.0
4.0 Adc
Total Power Dissipation @ TC = 25°C*
Derated above 25°CPD40
0.32 Watts
W/°C
Operating and Storage Temperature Range TJ, Tstg – 65 to +150 °C
THERMAL CHARACTERISTICS
Thermal Resistance — Junction to Case* RθJC 3.125 °C/W
Maximum Lead Temperature for soldering purposes
1/8″ from case for 5 sec. TL260 °C
(1) Pulse Test: Pulse Width = 5.0 ms, Duty Cycle ≤ 10%.
*Measurement made with thermocouple contacting the bottom insulated mounting surface of the package (in a location beneath the die),
the device mounted on a heatsink, thermal grease applied, and a mounting torque of 6 to 8 in . lbs.
Full Pak is a registered trademark of Motorola Inc.