HIGH VOLTAGE IGNITION COIL DRIVER POWER DARLINGTON TRANSISTOR VER
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BU941Z/BU941ZP BU941ZPFI
HIGH VOLTAGE IGNITION COIL DRIVER POWER DARLINGTON TRANSISTOR
VERY RUGGED BIPOLAR TECHNOLOGY BUILT CLAMPING ZENER HIGH OPERATING JUNCTION TEMPERATURE WIDE RANGE PACKAGES FULLY INSULATED PACKAGE (U.L. COMPLIANT) EASY MOUNTING
TO-3
APPLICATIONS HIGH RUGGEDNESS ELECTRONIC IGNITIONS DESCRIPTION devices bipolar Darlington transistors manufactured using Multiepitaxial Planar technology. They have been properly designed used Automotive environment electronic ignition power actuators.
TO-218
ISOWATT218
INTERNAL SCHEMATIC DIAGRAM
TO-3 Emitter: Base: pin1 Collector:
ABSOLUTE MAXIMUM RATINGS
Symbol Visol Parameter BU941Z Collector-Emitter Voltage Emitter-Base Voltage Collector Current Collector Peak Current Base Current Base Peak Current Total Dissipation Insulation Withstand Voltage (RMS) from Three Leads Exernal Heatsink Storage Temperature Max. Operating Junction Temperature Value BU941ZP Unit BU941ZPFI
2500
April 2002
BU941Z/BU941ZP/BU941ZPFI
THERMAL DATA
TO-3 thj-case Thermal Resistance Junction-case 0.97 TO-218 0.97 ISOWATT218
ELECTRICAL CHARACTERISTICS (Tcase unless otherwise specified)
Symbol CE(sat) Parameter Collector Cut-off Current Emitter Cut-off Current Clamping Voltage Collector-Emitter Saturation Voltage Base-Emitter Saturation Voltage Current Gain Test Conditions Min. Typ. Max. Unit
BE(sat)
Diode Forward Voltage Functional Test INDUCTIVE LOAD Storage Time Fall Time (see fig.
clamp (see fig.
Pulsed: Pulse duration duty cycle
Safe Operating Areas
Derating Curves (TO-3)
BU941Z/BU941ZP/BU941ZPFI
Derating Curves (TO-218/ISOWATT218) Current Gain
Current Gain
Collector-emitter Saturation Voltage
Collector-emitter Saturation Voltage
Base-emitter Saturation Voltage
BU941Z/BU941ZP/BU941ZPFI
Base-emitter Saturation Voltage Collector-emitter Saturation Voltage
FIGURE Functional Test Circuit
FIGURE Functional Test Waveforms
FIGURE Switching Time Test Circuit
BU941Z/BU941ZP/BU941ZPFI
TO-3 MECHANICAL DATA
MIN. 11.00 0.97 1.50 8.32 19.00 10.70 16.50 25.00 4.00 38.50 30.00 TYP. MAX. 13.10 1.15 1.65 8.92 20.00 11.10 17.20 26.00 4.09 39.30 30.30 MIN. 0.433 0.038 0.059 0.327 0.748 0.421 0.649 0.984 0.157 1.515 1.187 inch TYP. MAX. 0.516 0.045 0.065 0.351 0.787 0.437 0.677 1.023 0.161 1.547 1.193
DIM.
P003F
BU941Z/BU941ZP/BU941ZPFI
TO-218 (SOT-93) MECHANICAL DATA
MIN. 3.95 12.2 0.157 10.8 14.7 4.15 0.155 1.220 0.480 0.161 1.17 0.78 11.1 15.2 16.2 0.019 0.043 0.425 0.578 0.708 0.163 TYP. MAX. 1.37 MIN. 0.185 0.046 0.098 0.030 0.051 0.437 0.598 0.637 inch TYP. MAX. 0.193 0.054
DIM.
P025A
BU941Z/BU941ZP/BU941ZPFI
ISOWATT218 MECHANICAL DATA
DIM. TYP. inch TYP.
MIN. 5.35 3.30 2.90 1.88 0.75 1.05 1.50 1.90 10.80 15.80 20.80 19.10 22.80 40.50 4.85 20.25
MAX. 5.65 3.80 3.10 2.08 0.95 1.25 1.70 2.10 11.20 16.20 21.20 19.90 23.60 42.50 5.25 20.75
MIN. 0.211 0.130 0.114 0.074 0.030 0.041 0.059 0.075 0.425 0.622 0.819 0.752 0.898 1.594 0.191 0.797 0.083
MAX. 0.222 0.150 0.122 0.082 0.037 0.049 0.067 0.083 0.441 0.638 0.835 0.783 0.929 1.673 0.207 0.817 0.091
0.354
0.138
0.181 0.146
Weight (typ.) Maximum Torque (applied mounting flange) Recommended: Maximum: side dissipator must flat within
P025C/A
BU941Z/BU941ZP/BU941ZPFI
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