Is Now Part ofTo learn more about ON Semiconductor, please visit our website at www.onsemi.comPlease note: As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductors system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclatur

Low Noise TransistorsBC549B,CNPN SiliconBC550B,CMAXIMUM RATINGSRating Symbol BC549 BC550 UnitCollectorEmitter Voltage VCEO 30 45 VdcCollectorBase Voltage VCBO 30 50 VdcEmitterBase Voltage VEBO 5.0 VdcCollector Current Continuous IC 100 mAdc1Total Device Dissipation @ TA = 25C PD 625 mW2Derate above 25C 5.0 mW/C 3Total Device Dissipation @ TC = 25

BC546A/B/C - BC550A/B/C Taiwan Semiconductor 500mW, NPN Small Signal Transistor FEATURES KEY PARAMETERS Low power loss, high efficiency PARAMETER VALUE UNIT Ideal for automated placement VCBO 30-80 V High surge current capability VCEO 30-65 V Compliant to RoHS directive 2011/65/EU and VEBO 6 V in accordance to WEEE 2002/96/EC Halogen-free accordi

BC546xBK ... BC549xBKBC546xBK ... BC549xBKGeneral Purpose Si-Epitaxial Planar TransistorsNPN NPNSi-Epitaxial Planar-Transistoren fr universellen EinsatzVersion 2009-12-030.1Power dissipation Verlustleistung 500 mW4.6Plastic case TO-92Kunststoffgehuse (10D3)Weight approx. Gewicht ca. 0.18 gC B EPlastic material has UL classification 94V-0Gehusematerial