NPN S I L I C O N T R A N S I S T O R Shantou Huashan Electronic Devices Co.,Ltd. H1740 █ APPLICATIONS Medium Seed switching █ ABSOLUTE MAXIMUM RATINGS（Ta=25℃） TO-92 T stg ——Storage Temperature………………………… -55~150℃ T j ——Junction Temperature…………………………………150℃ PC——Collector Dissipation…………………………………300mW 1―Emitter，E 2―Collector，C 3― Base，B VCBO ——Collector-Base Voltage………………………………50V VCEO ——Collector-Emitter Voltage……………………………40V VE B O ——Emitter -Base Voltage………………………………5V I C ——Collector Current …………………………………… 100mA █ ELECTRICAL CHARACTERISTICS（Ta=25℃） Symbol Characteristics Min Typ Max Unit Test Conditions ICBO Collector Cut-off Current ５００ ｎＡ VCB=30V, IE=0 IEBO Emitter Cut-off Current ５００ ｎＡ VEB=4V, IC=0 HFE DC Current Gain １２０ ８２０ VCE=1V, IC=1mA ０．４ Ｖ IC=50mA, IB=5mA VCE(sat) Collector- Emitter Saturation Voltage BVCBO Collector-Base Breakdown Voltage ５０ Ｖ IC=50μA, BVCEO BVEBO Collector-Emitter Breakdown Voltage Emitter-Base Breakdown Voltage ４０ ５ Ｖ Ｖ IC=1mA, IB=0 IE=50μA，IC=0 Current Gain-Bandwidth Product １８０ Output Capacitance １．２ fT Cob ＭＨｚ VCE=12V, IC=2mA ｐＦ VCB=6V, IE=0，f=1MHz █ hFE Classification Q １２０—２７０ R S IE=0 E １８０—３９０ ２７０—５６０ ３９０—８２０