BF857 The BF857 is a bipolar junction transistor from NXP Semiconductors. It features a maximum collector current of 100mA and a collector emitter voltage of 160V.
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BF857

Available from 1 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The BF857 is a bipolar junction transistor from NXP Semiconductors. It features a maximum collector current of 100mA and a collector emitter voltage of 160V.
✓ Total Stock: 79 pcs
$ Price Range: $0.77

BF857 Available from 1 distributor

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✓ Non-Authorised
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BF857 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Power Dissipation

BF857 Description

Short technical summary and product information.

The BF857 is a bipolar junction transistor (BJT) manufactured by NXP Semiconductors. This component is designed for various electronic applications requiring specific current and voltage handling capabilities.

 

Key electrical specifications include a maximum collector current of 100mA and a collector emitter voltage rating of 160V. The transistor also has a typical collector emitter saturation voltage of 1V. For thermal management, the maximum power dissipation is rated at 1.8W, with a typical power dissipation of 6W. The maximum operating temperature is 140°C.

 

This transistor has 3 terminals. While specific package details and mounting type are not detailed here, it is categorized under Transistors - Bipolar (BJT) - Single, Pre-Biased.

 

The BF857 is listed with a RoHS3 Compliant status, Moisture Sensitivity Level (MSL) of 1, and REACH Unaffected status. However, these compliance details are based on existing database information and have not been independently verified by documentation.

BF857 Quick Information

Product Type: Transistor
Canonical Name: BF857 Transistor
Subcategory: Single, Pre-Biased

BF857 Compliance

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

BF857 Estimated Pricing

Qty Low High
1+ $0.77 $0.77

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

BF857 Features

  • Maximum collector current of 100mA.
  • Collector emitter voltage rating of 160V.
  • Typical collector emitter saturation voltage of 1V.
  • Maximum power dissipation of 1.8W.
  • Maximum operating temperature of 140°C.

BF857 Applications

  • Suitable for general amplification circuits.
  • Used in switching applications.
  • Component in power supply designs.
  • Applicable in signal processing.

BF857 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the maximum collector current for the BF857 transistor?

The maximum collector current for the BF857 transistor is 100mA.

What is the collector emitter voltage of the BF857?

The collector emitter voltage of the BF857 is 160V.

What is the typical collector emitter saturation voltage for the BF857?

The typical collector emitter saturation voltage for the BF857 is 1V.

What is the maximum power dissipation of the BF857 transistor?

The maximum power dissipation of the BF857 transistor is 1.8W.

What is the maximum operating temperature for the BF857?

The maximum operating temperature for the BF857 is 140°C.

BF857 Alternate Parts

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The 2N6250 is an NPN power transistor manufactured by RCA, housed in a TO-3 package. It offers a collector-emitter breakdown voltage of 275V and a maximum power dissipation of 6W.
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BY214-1000
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The DSI BY214-1000 is a rectifier diode with a maximum output current of 6A and a reverse standoff voltage of 1kV. It features a maximum forward voltage of 1.2V and can operate up to 150°C.
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BF857
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Thomson-CSF
The BF857 is a bipolar junction transistor from Thomson-CSF. It features a maximum collector current of 100mA and a collector-emitter voltage of 160V.
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