BC557B

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 Maximum Ratings ( TA=25℃ unless otherwise noted) C 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℃unless otherwise noted) (Countinued) C Characteristics Symbol Min Max Unit OFF CHARACTERISTICS Collector Cutoff Current (VCE=-60V, lB=0) (VCE=-40V, lB=0) (VCE=-25V, lB=0) 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 mA Emitter Cutoff Current (VEB =-5.0 Vdc, lC =0) lEBO -0.1 mA ON CHARACTERISTICS DC current gain (VCE=-5V, lc=-2mA) BC556 BC557 BC558 BC556A/BC557A/BC558A BC556B/BC557B/BC558B BC557C/BC558C 120 120 120 120 180 420 500 800 800 220 460 800 -0.3 hFE Collector-emitter saturation voltage (lC=-100mA, lB=-5mA) VCE(sat) VBE(sat) fT - V V MHz Base-emitter saturation voltage (lC=-100mA, lB=-5mA) - -1 Transition frequency (VCE=-5V, lC=-10mA, f=100MHz) 150 - WEITRON http://www.weitron.com.tw 2/5 26-Apr-05 BC556, A,B,C BC557, A,B,C BC558, A,B,C WEITRON http://www.weitron.com.tw C,CAPACITANCE(pF) VCE,COLLECTOR-EMITTER VOLTAGE(V) hFE,NORMALIZED DC CURRENT GAIN WEITRON 3/5 26-Apr-05 BC556, A / B BC557, A / B / C BC558, A / B / C WE IT R ON http://www.weitron.com.tw WEITRON 4/5 26-Apr-05 BC556, A / B BC557, A / B / C BC558, A / B / C TO-92 Outline Dimensions E unit:mm C J K G Dim A B C D E G H J K L H TO-92 Min Max 3.70 3.30 1.40 1.10 0.55 0.38 0.51 0.36 4.70 4.40 3.43 4.70 4.30 1.270TYP 2.44 2.64 14.10 14.50 B L WEITRON http://www.weitron.com.tw D A 5/5 26-Apr-05