PBSS4240 40V; 2A NPN Low VCE(sat) (BISS) Transistor FEATURES ․Low collector-emitter saturation voltage ․High current capability ․Improved device reliability due to reduced heat generation. APPLICATIONS ․Supply line switching circuits ․Battery management applications ․DC/DC converter applications ․Strobe flash units ․Heavy duty battery powered equipment (motor and lamp drivers). Absolute Maximum Ratings (Ta = 25 OC) Symbol Value Unit Collector Base Voltage VCBO 40 V Collector Emitter Voltage VCEO 40 V Emitter Base Voltage VEBO 5 V Collector Current (DC) IC 2 A Peak Collector Current ICM 3 A IBM 300 mA Peak Base Current Total Power Dissipation Tamb≦25OC 1) Tamb≦25 OC 2) 480 mW TJ 150 O Storage Temperature Range TS -65 to +150 O to Ambient In free air 1) In free air Operating Ambient Temperature 2) 200 Junction Temperature Thermal Resistance From Junction 1) Ptot 2) Rth j-a Tamb 417 260 -65 to +150 C C K/W C O Device mounted on a printed-circuit board; single sided copper; tinplated and standard footprint. Device mounted on a printed-circuit board; single sided copper; tinplated; mounting pad for collector 1cm2. SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 20/10/2005 PBSS4240 Characteristics at Tamb=25 OC Symbol Min. Typ. Max. Unit at VCE=2V, IC=100mA hFE 350 - - at VCE=2V, IC=500mA hFE 300 - - at VCE=2V, IC=1A hFE 250 - - at VCE=2V, IC=2A hFE 80 - - ICBO - - 100 nA - - 50 µA - - 100 nA - - 70 - - 100 - - 180 at IC=1A, IB=50mA - - 180 at IC=2A, IB=200mA - - 320 RCE(sat) - 140 <200 mΩ VBE(sat) - - 1.1 V VBE(on) - - 0.75 V fT 100 230 - MHz CC - 15 20 pF DC Current Gain - Collector-Base Cutoff Current at VCB=30V at VCB=30V,Tamb=150 C O Emitter-Base Cutoff Current IEBO at VEB=4V Collector-Emitter Saturation Voltage at IC=100mA, IB=1mA at IC=500mA, IB=50mA at IC=750mA, IB=15mA VCE(sat) mV Equivalent on-Resistance at IC=500mA, IB=50mA Base-Emitter Saturation Voltage at IC=2A, IB=200mA Base-Emitter Turn-on Voltage at VCE=2V, IC=100mA Transition Frequency at VCE=10V, IC=100mA,f=100MHz Collector Capacitance at VCB=10V, f=1MHz SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 20/10/2005