Mfr Part #:

BC557A

Mfr Name: Telefunken

The Telefunken BC557A is a bipolar junction transistor (BJT) suitable for various electronic applications. It features RoHS3 compliance and MSL 1 rating.

✓ Total Stock: 25 pcs

$ Price Range: $0.77

BC557A Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Partservice ✓ Non-Authorised Inventory information	25 pcs On Request	25 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

BC557A Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Telefunken

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BC557A Description

Short technical summary and product information.

The Telefunken BC557A is a general-purpose NPN bipolar junction transistor (BJT) designed for a wide range of electronic applications. This component falls under the category of single, pre-biased transistors, indicating its suitability for straightforward integration into circuits.

Key specifications include RoHS3 compliance, ensuring adherence to environmental standards for hazardous substances. It also carries a Moisture Sensitivity Level (MSL) of 1, meaning it has unlimited shelf life under recommended storage conditions. The REACH status is unaffected, further confirming its compliance with global chemical regulations.

While specific electrical characteristics such as forward voltage, collector current, and DC current gain are not detailed in the provided data, the BC557A is generally used in amplification and switching circuits. Its pre-biased nature simplifies circuit design, making it a convenient choice for engineers.

Further details regarding package type, mounting, and standard quantities would typically be found in the manufacturer's datasheet, which is not currently available.

BC557A Quick Information

Product Type: Bipolar Transistor

Canonical Name: BC557A Bipolar Transistor

Subcategory: Single, Pre-Biased

BC557A Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

BC557A Estimated Pricing

Qty	Low	High
1+	$0.77	$0.77

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

BC557A Features

Pre-biased NPN bipolar transistor design.
Suitable for general switching applications.
Part of Telefunken's transistor lineup.
Category: Single, pre-biased BJTs.
Reassigned to bipolar transistor category.

BC557A Applications

Suitable for low-power switching applications.
Used in audio amplifier circuits.
Ideal for signal amplification in consumer electronics.
Applicable in general-purpose switching and amplification.

BC557A FAQs

3 frequently asked questions generated from this part’s specifications.

What is the RoHS status of the BC557A?

The BC557A is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the BC557A?

The MSL for the BC557A is 1 Unlimited.

What is the REACH status for the BC557A?

The BC557A is REACH Unaffected.