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BC857B-QR by: Nexperia

BC856-Q; BC857-Q; BC858-Q - 65 V, 100 mA PNP general-purpose transistors@en-us TO-236 3-Pin

Part Details for BC857B-QR by Nexperia

Results Overview of BC857B-QR by Nexperia

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Applications Education and Research Security and Surveillance Audio and Video Systems

BC857B-QR Information

BC857B-QR by Nexperia is a Small Signal Bipolar Transistor.
Small Signal Bipolar Transistors are under the broader part category of Transistors.

A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.

Price & Stock for BC857B-QR

Part # Distributor Description Stock Price Buy
DISTI # 1727-BC857B-QRCT-ND
DigiKey TRANS PNP 45V 0.1A TO-236AB Min Qty: 1 Lead time: 26 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) Temporarily Out of Stock
  • 1 $0.1300
  • 10 $0.0790
  • 50 $0.0562
  • 100 $0.0486
  • 3,000 $0.0249
  • 6,000 $0.0220
$0.0220 / $0.1300 Buy Now
DISTI # BC857B-QR
Avnet Americas Transistor GP BJT PNP 45V 100mA 3-Pin SOT-23 T/R - Tape and Reel (Alt: BC857B-QR) COO: China RoHS: Compliant Min Qty: 75000 Package Multiple: 3000 Lead time: 53 Weeks, 1 Days Container: Tape & Reel 0
  • 75,000 $0.0202
  • 150,000 $0.0194
  • 300,000 $0.0186
  • 600,000 $0.0181
  • 1,200,000 $0.0174
$0.0174 / $0.0202 Buy Now
DISTI # 771-BC857B-QR
Mouser Electronics Bipolar Transistors - BJT SOT23 65V .1A PNP BJT RoHS: Compliant 117
  • 1 $0.1700
  • 10 $0.1040
  • 50 $0.0740
  • 100 $0.0640
  • 250 $0.0530
  • 1,000 $0.0430
  • 3,000 $0.0270
  • 6,000 $0.0230
$0.0230 / $0.1700 Buy Now
DISTI # BC857B-QR
TME Transistor: PNP, bipolar, 45V, 0.1A, 250mW, SOT23,TO236AB Min Qty: 1 0
  • 1 $0.1300
  • 10 $0.0700
  • 100 $0.0394
$0.0394 / $0.1300 RFQ
Chip Stock SmallSignalBipolarTransistor,0.1AI(C),45VV(BR)CEO,1-Element,PNP,Silicon,TO-236AB 94000
RFQ
LCSC 65V 250mW 100mA PNP SOT-23 Single Bipolar Transistors RoHS 60
  • 20 $0.0344
  • 200 $0.0290
  • 600 $0.0259
  • 3,000 $0.0241
  • 9,000 $0.0226
  • 21,000 $0.0217
$0.0217 / $0.0344 Buy Now
Vyrian Other Function Semiconductors 1846
RFQ

Part Details for BC857B-QR

BC857B-QR Part Data Attributes

Parametric Data
BC857B-QR Nexperia
Buy Now Datasheet
Compare Parts:
BC857B-QR Nexperia BC856-Q; BC857-Q; BC858-Q - 65 V, 100 mA PNP general-purpose transistors@en-us TO-236 3-Pin
Rohs Code Yes
Part Life Cycle Code Active
Part Package Code TO-236
Package Description Sot-23, 3 Pin
Pin Count 3
Manufacturer Package Code SOT23
Reach Compliance Code Compliant
ECCN Code EAR99
Factory Lead Time 8 Weeks
Collector Current-Max (IC) 0.1 A
Collector-Base Capacitance-Max 4.5 Pf
Collector-Emitter Voltage-Max 45 V
Configuration Single
DC Current Gain-Min (hFE) 220
JEDEC-95 Code TO-236AB
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 -65 °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) 0.25 W
Reference Standard Aec-Q101; Iec-60134
Surface Mount Yes
Terminal Finish Tin
Terminal Form Gull Wing
Terminal Position Dual
Time@Peak Reflow Temperature-Max (s) 30
Transistor Application Switching
Transistor Element Material Silicon
Transition Frequency-Nom (fT) 100 Mhz
VCEsat-Max 0.65 V

Alternate Parts for BC857B-QR

This table gives cross-reference parts and alternative options found for BC857B-QR. 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-QR, 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 Manufacturer Composite Price Description Compare
BC857B Yangzhou Yangjie Electronics Co Ltd $0.0181 Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, BC857B-QR vs BC857B
BC857BW-QF Nexperia $0.0338 BC856W-Q; BC857W-Q; BC858W-Q - 65 V, 100 mA PNP general-purpose transistors@en-us SC-70 3-Pin BC857B-QR vs BC857BW-QF
BC857BT-TP-HF Micro Commercial Components Check for Price Small Signal Bipolar Transistor, BC857B-QR vs BC857BT-TP-HF
BC857BT Galaxy Microelectronics Check for Price Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, BC857B-QR vs BC857BT
BC857B-Q Nexperia Check for Price Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, TO-236AB BC857B-QR vs BC857B-Q
BC857BF2 Yangzhou Yangjie Electronics Co Ltd Check for Price Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, BC857B-QR vs BC857BF2
BC857B,315 NXP Semiconductors Check for Price Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, TO-236AB BC857B-QR vs BC857B,315
934663679235 Nexperia Check for Price Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, TO-236AB BC857B-QR vs 934663679235
BC857BW-TP-HF Micro Commercial Components Check for Price Small Signal Bipolar Transistor, BC857B-QR vs BC857BW-TP-HF
BC857BWF2 Yangzhou Yangjie Electronics Co Ltd Check for Price Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, BC857B-QR vs BC857BWF2
equivalents icon

BC857B-QR Frequently Asked Questions (FAQ)

  • The maximum operating temperature range for the BC857B-QR is -40°C to 150°C.

  • Yes, the BC857B-QR is suitable for high-frequency applications up to 100 MHz due to its low transition frequency (ft) of 200 MHz.

  • The maximum collector current rating for the BC857B-QR is 100 mA.

  • Yes, the BC857B-QR is a low-noise transistor with a noise figure of 2 dB at 1 kHz.

  • Yes, the BC857B-QR can be used in switching applications due to its fast switching times (rise time: 10 ns, fall time: 20 ns).

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