Datasheets
BC857B by:

Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, TO-236, ROHS COMPLIANT, PLASTIC PACKAGE-3

Part Details for BC857B by Diotec Semiconductor AG

Overview of BC857B by Diotec Semiconductor AG

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Applications Education and Research Security and Surveillance Audio and Video Systems

Price & Stock for BC857B

Part # Distributor Description Stock Price Buy
DISTI # 4878-BC857BCT-ND
DigiKey BJT SOT-23 45V 100MA Min Qty: 1 Lead time: 2 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 5853
In Stock
  • 1 $0.1000
  • 10 $0.0680
  • 100 $0.0367
  • 500 $0.0288
  • 1,000 $0.0200
  • 3,000 $0.0166
  • 6,000 $0.0157
  • 9,000 $0.0133
  • 30,000 $0.0123
  • 75,000 $0.0107
  • 150,000 $0.0089
$0.0089 / $0.1000 Buy Now
DISTI # 637-BC857B
Mouser Electronics Bipolar Transistors - BJT BJT, SOT-23, 45V, 100mA, PNP RoHS: Compliant 40871
  • 1 $0.1000
  • 10 $0.0570
  • 100 $0.0470
  • 500 $0.0380
  • 1,000 $0.0330
  • 3,000 $0.0250
  • 9,000 $0.0160
  • 45,000 $0.0130
$0.0130 / $0.1000 Buy Now
DISTI # E02:0323_06675438
Arrow Electronics Trans GP BJT PNP 45V 0.1A 250mW 3-Pin SOT-23 T/R Min Qty: 3000 Package Multiple: 3000 Lead time: 8 Weeks Date Code: 2319 Europe - 42000
  • 3,000 $0.0152
  • 6,000 $0.0143
  • 9,000 $0.0120
  • 30,000 $0.0110
  • 75,000 $0.0094
  • 150,000 $0.0077
$0.0077 / $0.0152 Buy Now
DISTI # E32:1076_06675438
Arrow Electronics Trans GP BJT PNP 45V 0.1A 250mW 3-Pin SOT-23 T/R Min Qty: 1 Package Multiple: 1 Lead time: 8 Weeks Date Code: 2319 Europe - 435
  • 1 $0.0920
  • 10 $0.0620
  • 100 $0.0331
  • 500 $0.0256
  • 1,000 $0.0177
  • 3,000 $0.0145
  • 6,000 $0.0136
  • 9,000 $0.0115
  • 30,000 $0.0104
  • 75,000 $0.0089
  • 150,000 $0.0074
$0.0074 / $0.0920 Buy Now
Onlinecomponents.com Bipolar Transistor - SOT-23 - 45V - 100mA - PNP RoHS: Compliant 3000 In Stock
369000 Factory Stock
  • 3,000 $0.0117
  • 27,000 $0.0092
  • 51,000 $0.0088
  • 102,000 $0.0086
  • 150,000 $0.0079
  • 252,000 $0.0078
  • 501,000 $0.0076
$0.0076 / $0.0117 Buy Now
DISTI # 78440409
Verical Trans GP BJT PNP 45V 0.1A 250mW 3-Pin SOT-23 T/R RoHS: Compliant Min Qty: 5075 Package Multiple: 25 Americas - 48600
  • 5,075 $0.0198
$0.0198 Buy Now
DISTI # 79021906
Verical Trans GP BJT PNP 45V 0.1A 250mW 3-Pin SOT-23 T/R RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Date Code: 2319 Americas - 42000
  • 3,000 $0.0152
  • 6,000 $0.0142
  • 9,000 $0.0120
  • 30,000 $0.0110
  • 75,000 $0.0094
  • 150,000 $0.0077
$0.0077 / $0.0152 Buy Now
DISTI # BC857B-DIO
TME Transistor: PNP, bipolar, 45V, 0.1A, 250mW, SOT23 Min Qty: 25 48601
  • 25 $0.0337
  • 100 $0.0143
  • 500 $0.0127
  • 3,000 $0.0112
  • 12,000 $0.0102
$0.0102 / $0.0337 Buy Now
DISTI # BC857B-DIO
Maritex Transistor: PNP, bipolar, -45V, -0.1A, 0.2W, -55+150 deg.C, SMD, SOT23 Min Qty: 1 Package Multiple: 1 487
  • 1 $0.0380
  • 25 $0.0370
  • 100 $0.0340
  • 500 $0.0330
  • 3,000 $0.0290
$0.0290 / $0.0380 Buy Now
Master Electronics Bipolar Transistor - SOT-23 - 45V - 100mA - PNP RoHS: Compliant 3000 In Stock
369000 Factory Stock
  • 3,000 $0.0117
  • 27,000 $0.0092
  • 51,000 $0.0088
  • 102,000 $0.0086
  • 150,000 $0.0079
  • 252,000 $0.0078
  • 501,000 $0.0076
$0.0076 / $0.0117 Buy Now

Part Details for BC857B

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BC857B Part Data Attributes

BC857B Diotec Semiconductor AG
Buy Now Datasheet
Compare Parts:
BC857B Diotec Semiconductor AG Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, TO-236, ROHS COMPLIANT, PLASTIC PACKAGE-3
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer DIOTEC SEMICONDUCTOR AG
Part Package Code SOT-23
Package Description ROHS COMPLIANT, PLASTIC PACKAGE-3
Pin Count 3
Reach Compliance Code not_compliant
ECCN Code EAR99
Samacsys Manufacturer Diotec
Collector Current-Max (IC) 0.1 A
Collector-Emitter Voltage-Max 45 V
Configuration SINGLE
DC Current Gain-Min (hFE) 220
JEDEC-95 Code TO-236
JESD-30 Code R-PDSO-G3
JESD-609 Code e3
Moisture Sensitivity Level 1
Number of Elements 1
Number of Terminals 3
Operating Temperature-Max 150 °C
Operating Temperature-Min -55 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Polarity/Channel Type PNP
Power Dissipation-Max (Abs) 0.31 W
Qualification Status Not Qualified
Surface Mount YES
Terminal Finish MATTE TIN
Terminal Form GULL WING
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 10
Transistor Element Material SILICON
Transition Frequency-Nom (fT) 100 MHz

Alternate Parts for BC857B

This table gives cross-reference parts and alternative options found for BC857B. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of BC857B, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
MPSA65 Small Signal Bipolar Transistor, 0.5A I(C), 1-Element, PNP, Silicon, TO-92, TO-92, 3 PIN Central Semiconductor Corp BC857B vs MPSA65
MPSA14 Small Signal Bipolar Transistor, 0.5A I(C), 1-Element, NPN, Silicon, TO-92, PLASTIC PACKAGE-3 Micro Commercial Components BC857B vs MPSA14
MPSA92/D89Z-J14Z 300V, PNP, Si, SMALL SIGNAL TRANSISTOR, PLASTIC PACKAGE-3 Texas Instruments BC857B vs MPSA92/D89Z-J14Z
2N696 Small Signal Bipolar Transistor, 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-5, TO-5, 3 PIN Solid State Devices Inc (SSDI) BC857B vs 2N696
BC337-25,116 TRANSISTOR 500 mA, 45 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, SC-43A, 3 PIN, BIP General Purpose Small Signal NXP Semiconductors BC857B vs BC337-25,116
BC558 Small Signal Bipolar Transistor, 0.1A I(C), 1-Element, PNP, Silicon, TO-92A, 3 PIN Baneasa SA BC857B vs BC558
MPSA64 Small Signal Bipolar Transistor, 1.2A I(C), 1-Element, PNP, Silicon, TO-92, TO-92, 3 PIN Fairchild Semiconductor Corporation BC857B vs MPSA64
MPSA14TRELEADFREE Small Signal Bipolar Transistor, 1-Element, NPN, Silicon, TO-92, Central Semiconductor Corp BC857B vs MPSA14TRELEADFREE
BC556B Small Signal Bipolar Transistor, 0.1A I(C), 65V V(BR)CEO, 1-Element, PNP, Silicon, TO-92, PLASTIC PACKAGE-3 Micro Commercial Components BC857B vs BC556B
BC558-T/R TRANSISTOR 100 mA, 30 V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92, BIP General Purpose Small Signal NXP Semiconductors BC857B vs BC558-T/R

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