ST901T Datasheet and Replacement

ST901TSTD901THigh voltage NPN Darlington transistor for ignition coilFeatures High voltage special Darlington structureTAB Very rugged bipolar technologyTAB High DC current gain31Application3DPAK21 High ruggedness electronic ignition for small TO-220enginesDescriptionThe device is a high voltage NPN transistor in Figure 1. Internal schematic

ST901THIGH VOLTAGE IGNITION COIL DRIVERNPN POWER DARLINGTON HIGH VOLTAGE SPECIAL DARLINGTONSTRUCTURE VERY RUGGED BIPOLAR TECHNOLOGY HIGH OPERATING JUNCTIONTEMPERATURE HIGH DC CURRENT GAINAPPLICATION HIGH RUGGEDNESS ELECTRONIC32IGNITION FOR SMALL ENGINES1DESCRIPTION TO-220The ST901T is a high voltage NPN silicontransistor in monolithic special Darlingtoncon

SMD Type SMD Type Tra n s i s to rs ICSMD TypeNPN TransistorsKST9018SOT-23Unit: mm+0.12.9-0.1+0.10.4 -0.13 Features Features High current gain bandwidth product. 1 2+0.1+0.05 power dissipation.(PC=200mW) 0.95 -0.1 0.1 -0.01 1.9+0.1-0.11.Base2.Emitter3.collector Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating UnitCol

SMD Type ICSMD Type TransistorsSMD TypeNPN TransistorsKST9013CSOT-23Unit: mm2.9+0.1-0.1+0.10.4-0.13FeaturesExcellent hFE linearityCollector Current :IC=0.5A12+0.1+0.050.95-0.1 0.1 -0.01+0.11.9 -0.11.Base2.Emitter3.collectorAbsolute Maximum Ratings Ta = 25Parameter Symbol Rating UnitCollector - Base Voltage VCBO 40 VCollector - Emitter Voltag

SMD Type TransistorsSMD TypeNPN TransistorsKST9014-DSOT-23Unit: mm+0.12.9-0.1+0.10.4 -0.13FeaturesExcellent hFE linearityCollector Current :IC=0.1A1 2+0.050.95+0.1-0.1 0.1 -0.01Complementary to KST9015-D1.9+0.1-0.11.Base2.Emitter3.collectorAbsolute Maximum Ratings Ta = 25Parameter Symbol Rating UnitCollector-Base Voltage VCBO 50 VCollector-E

SMD Type TransistorsSMD TypePNP TransistorsKST9015-DSOT-23Unit: mm+0.12.9 -0.1+0.10.4-0.13FeaturesExcellent hFE linearityCollector Current :IC=-0.1A1 2Complementary to KST9014-D+0.1+0.050.95 -0.1 0.1 -0.01+0.11.9 -0.11.Base2.Emitter3.collectorAbsolute Maximum Ratings Ta = 25Parameter Symbol Rating UnitCollector-Base Voltage VCBO -50 VCollect

SMD Type TransistorsSMD TypeNPN TransistorsKST9014SOT-23Unit: mm+0.12.9-0.1+0.10.4 -0.13FeaturesExcellent hFE linearityCollector Current :IC=0.1A1 2+0.050.95+0.1-0.1 0.1 -0.011.9+0.1-0.11.Base2.Emitter3.collectorAbsolute Maximum Ratings Ta = 25Parameter Symbol Rating UnitCollector-Base Voltage VCBO 50 VCollector-Emitter Voltage VCEO 45 VEmit

SMD Type TransistorsSMD Type ICSMD TypePNP TransistorsKST9012CSOT-23Unit: mm+0.12.9 -0.1+0.10.4-0.13FeaturesExcellent hFE liearityCollector Current :IC=-0.5A 12+0.050.95+0.1-0.1 0.1-0.01+0.11.9 -0.11.Base2.Emitter3.collectorAbsolute Maximum Ratings Ta = 25Parameter Symbol Rating UnitCollector - Base Voltage VCBO -40 VCollector - Emitter Voltag

SMD Type TransistICsSMD Type orSMD TypeNPN TransistorsKST9013SOT-23Unit: mm+0.12.9-0.1+0.10.4 -0.13FeaturesExcellent hFE linearityCollector Current :IC=0.5A1 2+0.10.95-0.1 0.1+0.05-0.011.9+0.1-0.11.Base2.Emitter3.collectorAbsolute Maximum Ratings Ta = 25Parameter Symbol Rating UnitCollector - Base Voltage VCBO 40 VCollector - Emitter Voltage

SMD Type TransistorsSMD TypePNP TransistorsKST9015SOT-23Unit: mm+0.12.9 -0.1+0.10.4-0.13FeaturesComplementary to KST90141 2+0.1+0.050.95 -0.1 0.1 -0.01+0.11.9 -0.11.Base2.Emitter3.collectorAbsolute Maximum Ratings Ta = 25Parameter Symbol Rating UnitCollector-Base Voltage VCBO -50 VCollector-Emitter Voltage VCEO -45 VEmitter-Base Voltage VEBO -

SMD Type orSMD Type TransistICsSMD TypePNP TransistorsKST9012SOT-23Unit: mm+0.12.9 -0.1+0.10.4 -0.1Features3Excellent hFE liearityCollector Current :IC=-0.5A1 2+0.1+0.050.95 -0.1 0.1 -0.01+0.11.9 -0.11.Base2.Emitter3.collectorAbsolute Maximum Ratings Ta = 25Parameter Symbol Rating UnitCollector - Base Voltage VCBO -40 VCollector - Emitter Vo