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BC557B AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

BC557B product

BC557B

Transistors - Bipolar (BJT) - Single

PNPBJTTO-92General Purpose

The BC557B is a standard PNP BJT transistor in a TO-92 package, widely used for general-purpose signal amplification and switching.

Best for

  • Small signal amplification
  • Low-power switching

Avoid if

  • High-power or high-current applications exceeding 100mA

Check before use

  • Pinout configuration
  • Thermal derating

Key specifications

Type
PNP
VCEO
-45 V
IC
-100 mA

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General Purpose

Datasheet

7e41ec985d924d5b97fba7501f5be540_2304140030_LGE-BC557B_C713617.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for BC557B: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The BC557B is a PNP bipolar junction transistor (BJT) designed for general-purpose low-power applications.