UNISONIC TECHNOLOGIES CO., LTD BU941 NPN SILICON TRANSISTOR NPN POWER DARLINGTON HIGH VOLTAGE IGNITION COIL DRIVER FEATURES * NPN Darlington * Integrated antiparallel collector-emitter diode APPLICATIONS * High ruggedness electric ignitions INTERNAL SCHEMATIC DIAGRAM *Pb-free plating product number: BU941L C (2) B (1) (3) E ORDERING INFORMATION Ordering Number Normal Lead Free Plating BU941-T3P-T BU941L-T3P-T BU941-TA3-T BU941L-TA3-T BU941-TQ2-R BU941L-TQ2-R BU941-TQ2-T BU941L-TQ2-T www.unisonic.com.tw Copyright © 2007 Unisonic Technologies Co., Ltd Package TO-3P TO-220 TO-263 TO-263 Pin Assignment 1 2 3 B C E B C E B C E B C E Packing Tube Tube Tape Reel Tube 1 of 5 QW-R203-025,B BU941 NPN SILICON TRANSISTOR ABSOLUTE MAXIMUM RATINGS PARAMETER Collector-Emitter Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current Collector Peak Current Base Current Base Peak Current RATINGS UNIT 500 V 400 V 5 V 15 A 30 A 1 A 5 W TO-3P 155 W Total Power Dissipation (Tc=25°C) PD TO-220 150 W TO-263 65 W Junction Temperature TJ +175 °C Storage Temperature TSTG -65 ~ +175 °C Note Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. SYMBOL VCES VCEO VEBO IC ICM IB IBM ELECTRICAL CHARACTERISTICS (Tc=25°C, unless otherwise specified) PARAMETER Collector-Emitter Sustaining Voltage SYMBOL TEST CONDITIONS Ic=100mA, Vclamp=400V, L=10mH VCEO(SUS)* (see Fig. 1) VCE=500V, VBE=0 Collector Cut-Off Current ICES VCE=500V, VBE=0, TJ=125°C VCE=450V, IB=0 Collector Cut-Off Current ICEO VCE=450V, IB=0, TJ=125°C Emitter Cut-off Current IEBO VEB=5V, Ic=0 IC=8A, IB=100mA Collector-Emitter Saturation VCE(SAT)* IC=10A, IB=250mA Voltage IC=12A, IB=300mA IC=8A, IB=100mA Base-Emitter Saturation Voltage VBE(SAT)* IC=10A, IB=250mA IC=12A, IB=300mA DC Current Gain hFE* VCE=10V, Ic=5A Diode Forward Voltage VF IF=10A VCC=24V, Vclamp=400V, L=7mH Functional Test (see Functional Test Circuit) Fall Time tF VCC=12V, Vclamp=300V, VBE=0, RBE=47Ω, L=7mH, Ic=7A, IB=70mA Storage Time ts (see Fig.2) *Pulsed: Pulse duration=300µs, duty cycle 1.5% UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN TYP MAX 400 UNIT V 100 0.5 100 0.5 20 1.6 1.8 2 2.2 2.5 2.7 µA mA µA mA mA 2.5 V V V 300 10 A 15 0.5 µs 2 of 5 QW-R203-025,B BU941 NPN SILICON TRANSISTOR FUNCTION TEST CIRCUIT UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 5 QW-R203-025,B BU941 TYPICAL CHARACTERISTICS DC Current Gain DC Current Gain 8 6 VCE=2V 8 6 DC Current Gain, hFE DC Current Gain, hFE 2 2 103 8 6 125℃ 4 2 -40℃ 2 10 VCE=10V 4 4 8 6 103 8 6 2 2 2 6 8 2 1 Collector Current, IC(A) 4 6 Tc=25℃ 8 6 4 4 -40℃ 102 4 2 125℃ 4 Tc=25℃ 101 10-1 101 10-1 8 2 Collector-emitter Saturation Voltage, VCE(SAT) (V) 4.0 3.5 2.5 10A 8 1.5 0.5 6 4 2 1 0 50 4 2 1 Collector Current, IC (A) 100 150 Base Current, IB (mA) 1.4 4 8 6 hFE=100 1.2 1 -40℃ 0.8 0.6 125℃ Tc=25℃ 0.4 0.2 0 200 2 1 4 6 8 10 12 Collector Current, Ic (mA) Switching Time Base-Emitter Saturation Voltage 2.4 8 6 Collctor-Emitter Saturation Voltage Collector-Emitter Saturation Voltage Collector-emitter Saturation Voltage, VCE(SAT) (V) NPN SILICON TRANSISTOR hFE=100 Vclamp=300V, VCC=12V, hFE=100, RBE=47Ω, L=7mH, Tc=25℃ 2.2 10 2 ts 1.8 -40℃ 1.6 Tc=25℃ 1 1.4 tf 125℃ 1.2 0 1 2 4 6 8 10 Collector Current, IC(A) 12 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 10-1 1 2 4 6 8 10 Collector Current, IC(A) 12 4 of 5 QW-R203-025,B BU941 TYPICAL CHARACTERISTICS(Cont.) Safe Operating Area 4 PULSE OPERATION * Ic MAX PULSED 10μs 2 Collector Current, Ic (A) NPN SILICON TRANSISTOR 1018 6 4 Ic MAX CONT 100 μs 2 1008 1ms 6 4 10ms 2 10-1 8 6 4 2 10-2 100 * For single non repelitive pulse 2 4 6 8 2 D.C. 4 6 8 2 101 102 Collector-Emitter Voltage, VCE (V) 4 6 8 UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 5 QW-R203-025,B