High voltage ignition coil driver power Darlington transistors Ve

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High voltage ignition coil driver power Darlington transistors Ve

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BU941ZP BU941ZPFI
High voltage ignition coil driver power Darlington transistors
Very rugged bipolar technology Built clamping Zener High operating junction temperature Fully insulated package (U.L. compliant) easy mounting
Applications
High ruggedness electronic ignitions
TO-247 Figure
TO-3PF
Description
devices bipolar Darlington transistors manufactured using Multi-Epitaxial Planar technology. They have been properly designed used Automotive environment electronic ignition power actuators.
Internal schematic diagram
Table
Device summary
Marking BU941ZP BU941ZPFI Packages TO-247 TO-3PF Packaging Tube Tube
Order code BU941ZP BU941ZPFI
January 2008
1/11
www.st.com
Absolute maximum ratings
BU941ZP BU941ZPFI
Absolute maximum ratings
Table
Symbol VCEO VEBO Ptot Visol Tstg
Absolute maximum ratings
Value Parameter BU941ZP Collector-emitter voltage Emitter-base voltage Collector current Collector peak current 5ms) Base current Base peak current 5ms) Total dissipation Insulation withstand voltage (RMS) from three leads external heatsink Storage temperature Max. operating junction temperature BU941ZPFI 2500 Unit
Table
Symbol Rthj-case
Thermal data
Parameter Thermal resistance junction-case _max TO-247 0.97 TO-3PF Unit °C/W
2/11
BU941ZP BU941ZPFI
Electrical characteristics
Electrical characteristics
(Tcase 25°C; unless otherwise specified) Table
Symbol ICEO
Electrical characteristics
Parameter Collector cut-off current Emitter cut-off current Clamping voltage Collector-emitter saturation voltage Test conditions Min. Typ. Max. Unit
IEBO VClamp(1)
VCE(sat)
VBE(sat)
Collector-emitter base voltage current gain Functional test
hFE(1)
Figure VBE(off)
Inductive load Storage time Fall time Diode forward voltage
VClamp
Pulsed duration duty cycle 1.5%.
3/11
Electrical characteristics
BU941ZP BU941ZPFI
Electrical characteristic (curves)
Figure Safe operating area Figure Derating curve
Figure
current gain
Figure
current gain
Figure
Collector-emitter saturation voltage
Figure
Base-emitter saturation voltage
4/11
BU941ZP BU941ZPFI Figure Base-emitter saturation voltage Figure
Electrical characteristics Base-emitter saturation voltage
Figure Collector-emitter saturation voltage
Test circuit
Figure Functional test circuit
5/11
Electrical characteristics Figure Functional test waveforms
BU941ZP BU941ZPFI
Figure Switching time test circuit
6/11
BU941ZP BU941ZPFI
Package mechanical data
Package mechanical data
order meet environmental requirements, offers these devices ECOPACK® packages. These packages have Lead-free second level interconnect category second level interconnect marked package inner label, compliance with JEDEC Standard JESD97. maximum ratings related soldering conditions also marked inner label. ECOPACK trademark. ECOPACK specifications available www.st.com
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Package mechanical data
BU941ZP BU941ZPFI
TO-247 Mechanical data
Min. 4.85 2.20 0.40 19.85 15.45 5.45 14.20 3.70 18.50 3.55 4.50 5.50 3.65 5.50 14.80 4.30 Max. 5.15 2.60 1.40 2.40 3.40 0.80 20.15 15.75
Dim.
8/11
BU941ZP BU941ZPFI
Package mechanical data
TO-3PF mechanical data
DIM.
min. 5.30 2.80 3.10 1.80 0.80 0.65 1.80 10.30 15.30 9.80 22.80 26.30 43.20 4.30 24.30 14.60 1.80 3.80 3.40
max. 5.70 3.20 3.50 2.20 1.10 0.95 2.20 11.50 15.70 10.20 23.20 26.70 44.40 4.70 24.70 2.20 4.20 3.80
5.45
7627132_C
9/11
Revision history
BU941ZP BU941ZPFI
Table
Revision history
Document revision history
Revision Package change from TO-218 TO-247 from ISOWATT218 TO-3PF. Changes
Date 03-Feb-2005 22-Jan-2008
10/11
BU941ZP BU941ZPFI
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High voltage ignition coil driver power Darlington transistors Ve

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