BC557A

BC556, A / B BC557, A / B / C BC558, A / B / C PNP General Purpose Transistor 2 BASE COLLECTOR 3 TO-92 1 1 EMITTER 2 3 www.DataSheet4U.com Maximum Ratings ( TA=25 C unless otherwise noted) Rating Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current Continuous Symbol VECO V CBO VEBO lC BC556 -65 -80 -5 BC557 -45 -50 -5 100 BC558 -30 -30 -5 Unit Vdc Vdc Vdc mAdc THERMAL CHARACTERISTICS Characteristics Total Device Dissipation Alumina Substrate, TA = 25 C BC556 BC557 BC558 BC556 BC557 BC558 Symbol PD Max 625 Unit mW/ C Junction and Storage, Temperature TJ, Tstg -55 to +150 C ELECTRICAL CHARACTERISTICS Characteristics Symbol Min Max Unit OFF CHARACTERISTICS Collector-Emitter Breakdown Voltage (lC = 2 mAdc. lB =0) Collector-Base Breakdown Voltage (lC = 100 mAdc. lE =0) Emitter-Base Breakdown Voltage (lE = 100 mAdc. lC=0) BC556 BC557 BC558 BC556 BC557 BC558 BC556 BC557 BC558 V(BR)CEO -65 -45 -30 -80 -50 -30 Vdc V(BR)CBO Vdc V(BR)EBO -5 Vdc WE ITR O N http://www.weitron.com.tw 1/5 26-Apr-05 BC556, A / B BC557, A / B / C BC558, A / B / C ELECTRICAL CHARACTERISTICS (TA=25 C unless otherwise noted) (Countinued) Characteristics Symbol Min Max Unit OFF CHARACTERISTICS (VCE=-60V, lB=0) (VCE=-40V, lB=0) www.DataSheet4U.com (VCE=-25V, lB=0) Collector Cutoff Current BC556 BC557 BC558 BC556 BC557 BC558 BC556 BC557 BC558 lCEO -0.1 mA Collector Cutoff Current (VCB=-70V, lE=0) (VCB=-45V, lE=0) (VCB=-25V, lE=0) lCBO -0.1 ...