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STMicroelectronics Electronic Components Datasheet

BU941ZPFI Datasheet

High voltage ignition coil driver NPN power Darlington transistors

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BU941ZP
BU941ZPFI
High voltage ignition coil driver NPN power Darlington transistors
Features
Very rugged bipolar technology
Built in clamping Zener
High operating junction temperature
Fully insulated package (U.L. compliant) for
easy mounting
Applications
High ruggedness electronic ignitions
Description
The devices are bipolar Darlington transistors
manufactured using Multi-Epitaxial Planar
technology. They have been properly designed to
be used in Automotive environment as electronic
ignition power actuators.
3
2
1
TO-247
TO-3PF
Figure 1. Internal schematic diagram
Table 1. Device summary
Order code
BU941ZP
BU941ZPFI
Marking
BU941ZP
BU941ZPFI
Packages
TO-247
TO-3PF
Packaging
Tube
Tube
January 2008
Rev 7
1/11
www.st.com
11


STMicroelectronics Electronic Components Datasheet

BU941ZPFI Datasheet

High voltage ignition coil driver NPN power Darlington transistors

No Preview Available !

Absolute maximum ratings
1 Absolute maximum ratings
BU941ZP BU941ZPFI
Table 2. Absolute maximum ratings
Symbol
Parameter
VCEO
VEBO
IC
ICM
IB
IBM
Ptot
Visol
Tstg
TJ
Collector-emitter voltage (IB = 0)
Emitter-base voltage (IC = 0)
Collector current
Collector peak current (tp < 5ms)
Base current
Base peak current (tp < 5ms)
Total dissipation at Tc 25 °C
Insulation withstand voltage (RMS) from all three
leads to external heatsink
Storage temperature
Max. operating junction temperature
Value
BU941ZP BU941ZPFI
350
5
15
30
1
5
155 65
2500
-65 to 175 -65 to 175
175 175
Unit
V
V
A
A
A
A
W
V
°C
°C
Table 3.
Symbol
Thermal data
Parameter
Rthj-case Thermal resistance junction-case
__max
TO-247
0.97
TO-3PF
2.3
Unit
°C/W
2/11


Part Number BU941ZPFI
Description High voltage ignition coil driver NPN power Darlington transistors
Maker ST Microelectronics
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