BC857xMB series

45 V, 100 mA PNP general-purpose transistors

PNP general-purpose transistors in a leadless ultra small DFN1006B-3 (SOT883B) Surface-Mounted Device (SMD) plastic package.


  • Leadless ultra small SMD plastic package
  • Power dissipation comparable to SOT23
  • Low package height of 0.37 mm
  • AEC-Q101 qualified

Target applications

  • General-purpose switching and amplification
  • Mobile applications


Type numberPackage versionPackage nameSize (mm)PolarityConfigurationPtot (mW)VCEO [max] (V)IC [max] (mA)hFE [min]hFE [max]fr [min] (MHz)
BC857AMBSOT883BDFN1006B-31.0 x 0.6 x 0.37PNP1250-45-100125250100
BC857BMBSOT883BDFN1006B-31.0 x 0.6 x 0.37PNP1250-45-100220475100
BC857CMBSOT883BDFN1006B-31.0 x 0.6 x 0.37PNP1250-45-100420800100


Type numberPackageOutline versionReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
SOT883BReel 7" Q1/T1 Pitch 2mmActive0100 0100BC857AMB,315
( 9340 658 88315 )
SOT883BReel 7" Q1/T1 Pitch 2mmActive0100 0101BC857BMB,315
( 9340 658 89315 )
SOT883BReel 7" Q1/T1 Pitch 2mmActive0100 0110BC857CMB,315
( 9340 658 91315 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
BC857AMBBC857AMB,315BC857AMBAlways Pb-free95.00.442.27E911
BC857BMBBC857BMB,315BC857BMBAlways Pb-free95.00.442.27E911
BC857CMBBC857CMB,315BC857CMBAlways Pb-free95.00.442.27E911
Quality and reliability disclaimer

Documentation (4)

File nameTitleTypeDate
BC857XMB_SER45 V, 100 mA PNP general-purpose transistorsData sheet2018-08-28
nexperia_selection_guide_2019_201901Selection guide 2019. Discretes, Logic and MOSFETsSelection guide2018-12-12
SOT883B_315Leadless ultra small package; Reel pack, SMD, 7" Q3/T4 standard product orientation Orderable part number ending ,315 or YL Ordering code (12NC) ending 315Packing2016-07-22
SOT883Bplastic, leadless ultra small plastic package; 3 solder lands; 0.35 mm pitch; 1.0 mm x 0.6 mm x 0.37 mm bodyOutline drawing2017-08-23


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Ordering, pricing & availability


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