STMicroelectronics BC857B
SMALL SIGNAL PNP TRANSISTORS
APPLICATIONS
te cs WELL SUITABLE FOR PORTABLE le uEQUIPMENT ds SMALL LOAD SWITCH TRANSISTOR WITH so roHIGH GAIN AND LOW SATURATION ) - Ob lete PVOLTAGE SOT-23 INTERNAL SCHEMATIC DIAGRAM Obsolettee PPrroodduucctt((ss) - ObsoABSOLUTEMAXIMUM RATINGS
oleSymbol Parameter sVCBO Collector-Base Voltage (IE = 0) ObVCEO Collector-Emitter Voltage (IB = 0) Value -50 -45 Unit V V VEBO Emitter-Base Voltage (IC = 0) -5 V IC Collector Current -100 mA ICM Collector Peak Current Ptot Total Dissipation at TC = 25 oC Tstg Storage Temperature -200 250 -65 to 150 mA mW oC Tj Max. Operating Junction Temperature 150 oC June 2002 1/4 BC857B THERMAL DATA Rthj-amb● Thermal Resistance Junction-Ambient
● Device mounted on a PCB area of 1 cm2. Max 500 oC/W
ELECTRICAL CHARACTERISTICS
(Tcase = 25 oC unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit ICBO Collector Cut-off Current (IE = 0) VCB = -30 V VCB = -30 V TC = 150 oC -1 -15 nA -5 µA IEBO Emitter Cut-off Current VEB = -5 V -100 n...