isc Silicon NPN Darlington Power Transistor BU941ZPDESCRIPTIONBuilt In Clamping ZenerHigh Operating Junction TemperatureMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationAPPLICATIONSDesigned for use in automotive environment aselectronic ignition power actuators.ABSOLUTE MAXIMUM RATINGS(TB B=25)aSYMBOL PARAMETER VALUE UNITV Colle

Spec. No. : C660P3 Issued Date : 2008.07.22 CYStech Electronics Corp.Revised Date :2011.01.04 Page No. : 1/5 NPN Epitaxial Planar Transistor BVCEO 350VIC 15ABU941ZP3 VCESAT(MAX) 2V @12AFeatures High BVCEO Low VCE(SAT) High current capability Built-in clamping zener Pb-free lead plating package Applications High ruggedness electronic ignitions

isc Silicon NPN Darlington Power Transistor BU941ZPFIDESCRIPTIONCollector-Emitter Sustaining Voltage-: V = 350V(Min.)CEO(SUS)High ReliabilityLow Collector Saturation VoltageMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationAPPLICATIONSHigh ruggedness electronic ignitionsHigh voltage ignition coil driverABSOLUTE MAXIMUM RATINGS(T

UNISONIC TECHNOLOGIES CO., LTD BU941Z NPN SILICON TRANSISTOR NPN POWER DARLINGTON HIGH VOLTAGE IGNITION 1TO-3PCOIL DRIVER FEATURES 1TO-220* NPN Darlington * Integrated antiparallel collector-emitter diode APPLICATIONS 1* High ruggedness electric ignitions TO-263 INTERNAL SCHEMATIC DIAGRAM (2) CB(1)(3) E ORDERING INFORMATION Ordering Number

BU941ZT/BU941ZTFPBUB941ZT HIGH VOLTAGE IGNITION COIL DRIVERNPN POWER DARLINGTON VERY RUGGED BIPOLAR TECHNOLOGY BUILT IN CLAMPING ZENER HIGH OPERATING JUNCTIONTEMPERATURE WIDE RANGE OF PACKAGES SURFACE-MOUNTING D2PAK (TO-263)3 3POWER PACKAGE IN TUBE (NO SUFFIX)2 2OR IN TAPE & REEL (SUFFIX T4)1 1TO-220 TO-220FPAPPLICATIONS HIGH RUGGEDNESS ELECTRONICI

BU941ZT/BU941ZTFPBUB941ZTHIGH VOLTAGE IGNITION COIL DRIVERNPN POWER DARLINGTON VERY RUGGED BIPOLAR TECHNOLOGY BUILT IN CLAMPING ZENER HIGH OPERATING JUNCTIONTEMPERATURE WIDE RANGE OF PACKAGES SURFACE-MOUNTING D2PAK (TO-263)3 3POWER PACKAGE IN TUBE (NO SUFFIX)2 2OR IN TAPE & REEL (SUFFIX "T4")1 1TO-220 TO-220FPAPPLICATIONS HIGH RUGGEDNESS ELECTRONICIGNITI

Spec. No. : C660E3 Issued Date : 2014.01.09 CYStech Electronics Corp.Revised Date : Page No. : 1/6 NPN Epitaxial Planar Transistor BVCEO 350VBU941ZLE3 IC 15AVCESAT(MAX) 1.6VFeatures High BVCEO Low VCE(SAT) High current capability Built-in clamping zener Pb-free lead plating package Applications High ruggedness electronic ignitions Equivalent

Spec. No. : C660E3 Issued Date : 2010.02.03 CYStech Electronics Corp.Revised Date : Page No. : 1/5 NPN Epitaxial Planar Transistor BVCEO 350VBU941ZE3 IC 15ARCESAT(MAX) 0.18 Features High BVCEO Low VCE(SAT) High current capability Built-in clamping zener Pb-free lead plating package Applications High ruggedness electronic ignitions Equivale

Spec. No. : C660F3 Issued Date : 2010.10.01 CYStech Electronics Corp.Revised Date : 2014.02.13 Page No. : 1/6 NPN Epitaxial Planar Transistor BU941ZF3 Features High BVCEO Low VCE(SAT) High current capability Built-in clamping zener Pb-free lead plating package Applications High ruggedness electronic ignitions Equivalent Circuit Outline TO-263

Spec. No. : C660FP Issued Date : 2008.05.20 CYStech Electronics Corp.Revised Date : Page No. : 1/5 NPN Epitaxial Planar Transistor BU941ZFP Features High BVCEO Low VCE(SAT) High current capability Built-in clamping zener Pb-free package Applications High ruggedness electronic ignitions Equivalent Circuit Outline BU941ZFP TO-220FP C B E B

isc Silicon NPN Darlington Power Transistor BU941ZLDESCRIPTIONBuilt In Clamping ZenerHigh Operating Junction TemperatureMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationAPPLICATIONSHigh ruggedness electric ignitionsABSOLUTE MAXIMUM RATINGS(TB B=25)aSYMBOL PARAMETER VALUE UNITV Collector-Emitter Voltage 350 VCEOVB Emitter-Base

isc Silicon NPN Power Transistor BU941ZTDESCRIPTIONHigh VoltageDARLINGTONMinimum Lot-to-Lot variations for robust deviceperformance and reliable operationAPPLICATIONSHigh ruggedness electronic ignitionsHigh voltage ignition coil driverABSOLUTE MAXIMUM RATINGS (T =25)aSYMBOL PARAMETER VALUE UNITV Collector-Base Voltage 500 VCBOV Collector-Emitter Voltage