NXP SemiconductorsProduct data sheetPNP general purpose transistorsBC556; BC557FEATURESPINNING • Low current (max. 100 mA) PINDESCRIPTION • Low voltage (max. 65 V). 1 emitter 2 base APPLICATIONS 3 collector • General purpose switching and amplification. DESCRIPTION handbook, halfpage 1 3 2 PNP transistor in a TO-92; SOT54 plastic package. 3 NPN complements: BC546 and BC547. 2 1 MAM281 Fig.1 Simplified outline (TO-92; SOT54) and symbol. ORDERING INFORMATIONPACKAGETYPE NUMBERNAMEDESCRIPTIONVERSION BC556 SC-43A plastic single-ended leaded (through hole) package; 3 leads SOT54 BC557 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOLPARAMETERCONDITIONSMIN.MAX.UNIT VCBO collector-base voltage open emitter BC556 − −80 V BC557 − −50 V VCEO collector-emitter voltage open base BC556 − −65 V BC557 − −45 V VEBO emitter-base voltage open collector − −5 V IC collector current (DC) − −100 mA ICM peak collector current − −200 mA IBM peak base current − −200 mA Ptot total power dissipation Tamb ≤ 25 °C − 500 mW Tstg storage temperature −65 +150 °C Tj junction temperature − 150 °C Tamb ambient temperature −65 +150 °C 2004 Oct 11 2 Document Outline Features Applications Description Pinning Ordering information Limiting values Thermal characteristics Characteristics Package outline Data sheet status Disclaimers