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BC857B The Nexperia BC857B is a PNP bipolar junction transistor designed for general-purpose amplification and switching applications. It features a 45V collector-emitter voltage and a 200mA collector current.
Mfr Part #:

BC857B

Available from 3 distributors
Mfr Name: Nexperia USA Inc.
Nexperia USA Inc.
The Nexperia BC857B is a PNP bipolar junction transistor designed for general-purpose amplification and switching applications. It features a 45V collector-emitter voltage and a 200mA collector current.
✓ Total Stock: 188,510 pcs
$ Price Range: $0.99

BC857B Available from 3 distributors

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✓ Non-Authorised
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Fe Components ✓
Non-Authorised Inventory information
171,623 pcs
On Request
171623 pcs On Request 1 On Request On Request On Request On Request On Request
Innova Technologies ✓
Non-Authorised Inventory information
15,865 pcs
On Request
15865 pcs On Request 1 On Request On Request 1815 On Request On Request
Partservice ✓
Non-Authorised Inventory information
1,022 pcs
On Request
1022 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BC857B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Configuration
Lead Spacing
Mounting Style
Tape & Reel
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BC857B Description

Short technical summary and product information.

The Nexperia BC857B is a single PNP bipolar junction transistor (BJT) housed in a surface-mount SOT-23 package. It is designed for general-purpose amplification and switching applications.

 

Key electrical characteristics include a maximum DC collector current of 200mA and a collector-emitter voltage (VCEO) of 45V. The device offers a typical gain bandwidth product (fT) of 100MHz and a maximum DC current gain (Hfe) of 220 at 2mA collector current and 5V collector-emitter voltage. The maximum power dissipation is rated at 250mW.

 

This transistor operates within a temperature range of -65°C to 150°C. Its SOT-23 package and surface-mount design make it suitable for automated assembly processes. The BC857B is a reliable component for various electronic circuits requiring PNP amplification or switching capabilities.

BC857B Quick Information

Product Type: Bipolar Transistor - BJT
Canonical Name: Nexperia BC857B PNP Bipolar Transistor
Subcategory: Single, Pre-Biased

BC857B Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BC857B Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

BC857B Features

  • PNP bipolar junction transistor.
  • 45V collector-emitter voltage rating.
  • 200mA maximum DC collector current.
  • 100MHz typical gain bandwidth product.
  • Surface-mount SOT-23 package.

BC857B Applications

  • General-purpose amplification circuits.
  • Signal switching applications.
  • Low-power electronic designs.
  • Automated PCB assembly.

BC857B FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum collector current for the BC857B?

The maximum DC collector current is 0.2 A.

What is the maximum collector-emitter voltage (VCEO) for the BC857B?

The maximum collector-emitter voltage (VCEO) is 45 V.

What is the operating temperature range for the BC857B?

The operating temperature range is -65 °C to 150 °C.

What is the package type for the BC857B transistor?

The package type is SOT-23.

What is the maximum power dissipation of the BC857B?

The maximum power dissipation is 250 mW.

What is the gain bandwidth product (fT) of the BC857B?

The gain bandwidth product (fT) is 100 MHz.

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