BF257 The Thomson-CSF BF257 is a pre-biased bipolar junction transistor (BJT). It features RoHS3 compliance and an MSL 1 rating.
Mfr Part #:

BF257

Available from 1 distributors
Mfr Name: Thomson-CSF
Thomson-CSF
The Thomson-CSF BF257 is a pre-biased bipolar junction transistor (BJT). It features RoHS3 compliance and an MSL 1 rating.
Total Stock: 33 pcs
$ Price Range: $0.77

BF257 Available from 1 distributor

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33 pcs
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BF257 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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BF257 Description

Short technical summary and product information.

The Thomson-CSF BF257 is a single, pre-biased bipolar junction transistor (BJT) designed for various electronic applications. This component falls under the category of discrete semiconductor products.

 

Key specifications include RoHS3 compliance, indicating adherence to environmental standards for hazardous substances. It also has a Moisture Sensitivity Level (MSL) of 1, meaning it has unlimited shelf life under standard conditions. The REACH status is unaffected, suggesting compliance with European regulations regarding chemical substances.

 

As a pre-biased transistor, the BF257 simplifies circuit design by including integrated biasing resistors. This makes it suitable for applications where a stable and predictable switching or amplification characteristic is required without complex external biasing networks. Its exact electrical characteristics, such as operating voltage, current gain, and operating temperature, would typically be detailed in the manufacturer's datasheet.

 

Further details regarding package type, mounting style, and specific performance parameters are essential for design integration and should be consulted from the official product documentation.

BF257 Quick Information

Product Type: Pre-Biased Bipolar Transistor
Canonical Name: BF257
Subcategory: Bipolar (BJT) - Single, Pre-Biased

BF257 Compliance

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

BF257 Estimated Pricing

Qty Low High
1+ $0.77 $0.77

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

BF257 Features

  • Single bipolar transistor in pre-biased configuration.
  • Part of discrete semiconductor product category.
  • Manufacturer is Thomson-CSF.
  • Reassigned to transistor category for clarity.
  • Datasheet information not available.

BF257 Applications

  • Suitable for general electronic circuits
  • Simplifies design with integrated biasing
  • Used in switching applications
  • Applicable for signal amplification

BF257 FAQs

3 frequently asked questions generated from this part’s specifications.
What is the RoHS status of the BF257 transistor?

The BF257 transistor is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the BF257?

The MSL for the BF257 is 1 Unlimited.

Is the BF257 transistor REACH unaffected?

Yes, the BF257 transistor is REACH Unaffected.

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