UTC BU941 NPN EPITAXIAL SILICON TRANSISTOR NPN POWER DARLINGTON HIGH VOLTAGE IGNITION COIL DRIVER FEATURES *NPN darlington *Integrated antiparallel collector-emitter diode 1 APPLICATIONS * High ruggedness electric ignitions TO-220 1: BASE 2:COLLECTOR 3: EMITTER INTERNAL SCHEMATIC DIAGRAM C (2) B (1) (3) E ABSOLUTE MAXIMUM RATINGS PARAMETER Collector-Emitter Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current Collector Peak Current Base Current Base Peak Current Total Dissipation (Tc=25°C) Storage Temperature Operating Junction Temperature UTC SYMBOL RATINGS UNIT VCES VCEO VEBO Ic IcM IB IBM Ptot Tstg Tj 500 400 5 15 30 1 5 150 -65 ~ 175 175 V V V A A A W W °C °C UNISONIC TECHNOLOGIES CO. LTD 1 QW-R203-025,A UTC BU941 NPN EPITAXIAL SILICON TRANSISTOR ELECTRICAL CHARACTERISTICS (Tc=25°C, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN Collector-Emitter Sustaining Voltage Ic=100mA, Vclamp=400V, L=10mH VCEO(sus)* (see fig. 1) Collector Cut-off Current VCE=500V, VBE=0 ICES VCE=500V, VBE=0, Tj=125°C Collector Cut-off Current VCE=450V, IB=0 ICEO VCE=450V, IB=0, Tj=125°C Emitter Cut-off Current IEBO VEB=5V, Ic=0 Collector-Emitter Saturation Voltage IC=8A, IB=100mA VCE(sat)* IC=10A, IB=250mA IC=12A, IB=300mA Base-Emitter Saturation Voltage IC=8A, IB=100mA VBE(sat)* IC=10A, IB=250mA IC=12A, IB=300mA DC Current Gain HFE* VCE=10V, Ic=5A, Diode Forward Voltage VF IF=10A Functional Test Vcc=24V, Vclamp=400V, L=7mH (see Functional Test Circuit) Vcc=12V, Vclamp=300V, VBE=0, Fall Time tf RBE=47Ω, L=7mH, Ic=7A, IB=70mA Storage Time ts (see fig.2) *Pulsed: Pulse duration=300μs, duty cycle 1.5% V 100 0.5 100 0.5 20 1.6 1.8 2 2.2 2.5 2.7 μA mA μA mA mA V 2.5 V V 300 10 A 15 0.5 μs 12V VD Vcc=16V TYP MAX UNIT 400 0V t1 C 20ms B 7mH T.U.T. R1 Vclamp R2 Vin T.U.T. 47Ω E Fig. 1 Sustaining Voltage Test Circuit UTC Vclamp Fig. 2 Switching Time Test Circuit UNISONIC TECHNOLOGIES CO. LTD 2 QW-R203-025,A UTC BU941 NPN EPITAXIAL SILICON TRANSISTOR FUNCTION TEST CIRCUIT 16.6ms 24V 11.6ms INPUT SIGNAL L=7mH 0 Vz DRIVER AND CURRENT LIMITING CIRCUIT BASE CURRENT 0.22 μF T.U.T. IB=0.3A 0 100Ω COLLECTOR CURRENT IC=8A 0 COLLECTOR EMITTER VOLTAGE 0.2Ω Vclamp 24V 0 DC Current Gain DC Current Gain 8 6 VCE=2V 8 6 4 2 2 DC Current Gain, Hfe DC Current Gain, hFE 4 103 8 6 4 125℃ 2 -40℃ 102 8 6 Tc=25℃ 103 8 6 2 2 6 8 2 1 Collector Current, IC(A) 4 6 101 10-1 8 Collector-emitter Saturation Voltage, VCE(sat) (V) Collector-emitter Saturation Voltage 4.0 3.5 2.5 10A 8 1.5 0.5 0 UTC 6 4 2 1 50 100 150 Base Current, IB (mA) Tc=25℃ 8 6 2 4 -40℃ 102 4 2 125℃ 4 4 101 10-1 Collector-emitter Saturation Voltage, VCE(sat) (V) VCE=10V 200 2 4 8 6 2 4 1 Collector Current, IC (A) 6 8 Collctor-emitter Saturation Voltage 1.4 hFE=100 1.2 1 -40℃ 0.8 0.6 Tc=25℃ 125℃ 0.4 0.2 0 1 2 4 6 12 8 10 Collector Current, Ic (mA) UNISONIC TECHNOLOGIES CO. LTD 3 QW-R203-025,A UTC BU941 NPN EPITAXIAL SILICON TRANSISTOR Switching Time 2.4 hFE=100 Vclamp=300V, VCC=12V, hFE=100, RBE=47Ω, L=7mH, Tc=25℃ 2.2 Switching Time, μs Base-emitter Saturation Voltage, VBE(sat) (V) Base-emitter Saturation Voltage 2 1.8 -40℃ 1.6 Tc=25℃ 10 ts 1 1.4 tf 125℃ 1.2 0 1 2 4 6 8 10 Collector Current, IC(A) 10-1 1 12 4 6 8 10 Collector current, IC(A) 2 12 Safe Operating Area 4 PULSE OPERATION * Ic MAX PULSED 10μs Collector Current, Ic (A) 2 1018 100 Ic MAX CONT 6 4 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. UTC UNISONIC TECHNOLOGIES CO. LTD 4 QW-R203-025,A