link to page 1 link to page 1 link to page 1 link to page 2 BC846/BC546 series 65 V, 100 mA NPN general-purpose transistorsRev. 07 — 17 November 2009Product data sheet1.Product profile1.1 General description NPN general-purpose transistors in Surface Mounted Device (SMD) plastic packages. Table 1.Product overviewType number[1]PackagePNP complementNXPJEITAJEDEC BC846 SOT23 - TO-236AB BC856 BC846W SOT323 SC-70 - BC856W BC846T SOT416 SC-75 - BC856T BC546A[2] SOT54 SC-43A TO-92 BC556A BC546B[2] SOT54 SC-43A TO-92 BC556B [1] Valid for all available selection groups. [2] Also available in SOT54A and SOT54 variant packages (see Section 2). 1.2 Features General-purpose transistors SMD plastic packages Two different gain selections 1.3 Applications General-purpose switching and amplification 1.4 Quick reference dataTable 2.Quick reference dataSymbolParameterConditionsMinTypMaxUnit VCEO collector-emitter voltage open base - - 65 V IC collector current - - 100 mA hFE DC current gain VCE = 5 V; 110 - 450 IC = 2 mA hFE group A 110 180 220 hFE group B 200 290 450 Document Outline 1. Product profile 1.1 General description 1.2 Features 1.3 Applications 1.4 Quick reference data 2. Pinning information 3. Ordering information 4. Marking 5. Limiting values 6. Thermal characteristics 7. Characteristics 8. Package outline 9. Packing information 10. Soldering 11. Revision history 12. Legal information 12.1 Data sheet status 12.2 Definitions 12.3 Disclaimers 12.4 Trademarks 13. Contact information 14. Contents