What are the key features of Fairchild Semiconductor BC547B?

This product belongs to the Bipolar Transistors - BJT category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by Fairchild Semiconductor with full traceability.

What are the main application scenarios for BC547B?

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

How does BC547B work?

This device follows established Bipolar Transistors - BJT design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

What is the technical performance of BC547B?

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

What is the current market demand for BC547B?

The global Bipolar Transistors - BJT market is growing at ~6-8% CAGR, with particularly strong demand in power management. Fairchild Semiconductor BC547B is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

What are the technical characteristics of BC547B?

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, Fairchild Semiconductor provides full technical support and reference designs.

BC547B 双极晶体管 - 双极结型晶体管(BJT) BJT, TO-92, 45V, 100mA, NPN by Fairchild Semiconductor

BC547B | Fairchild Semiconductor 双极晶体管 - 双极结型晶体管(BJT) BJT, TO-92, 45V, 100mA, NPN

Name: BC547B
Brand: Fairchild Semiconductor
SKU: BC547B
Availability: InStock

Category: Bipolar Transistors - BJT

Brand: Fairchild Semiconductor

双极晶体管 - 双极结型晶体管(BJT) BJT, TO-92, 45V, 100mA, NPN

Quantity: 2,000 pcs

Unit Price: USD 0.00

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Product Details

PDF Datasheet

Technical Docs

Description: 双极晶体管 - 双极结型晶体管(BJT) BJT, TO-92, 45V, 100mA, NPN

Technical Parameters

Collector Current	100 mA
Collector Emitter Saturation Voltage	0.2 V max
Configuration	Single
Emitter Base Voltage	5 V
Hfe	hFE 200-450
Mounting Style	Through Hole
Noise Figure	5 dB typical
Package Type	TO-92
Polarity	NPN
Power Dissipation	500 mW
Temperature Range	-65 to +150 C
Transistor Type	BJT
Transition Frequency	300 MHz
Vceo	45 V

Standard Packaging: Standard packaging refers to the minimum packaging quantity obtained from the manufacturer/distributor. Therefore, the minimum order quantity may be less than the manufacturer's standard packaging quantity. When products are broken down into smaller quantities, the packaging type (i.e., reel, tube, tray) may change, subject to actual packaging delivery.

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3D Model (.stp)

Schematic Symbol (.sch)

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BC547B Application and Selection Guide

BC547B Model and Manufacturer Information

BC547B, a Bipolar Transistors - BJT manufactured by Fairchild Semiconductor: BC547B helps you confirm the specific model, while Fairchild Semiconductor helps you confirm the product source. If you are selecting a part, you can first check whether BC547B meets your requirements, then check whether Fairchild Semiconductor matches your expectations, and then refer to 双极晶体管 - 双极结型晶体管(BJT) BJT, TO-92, 45V, 100mA, NPN for further evaluation.

BC547B Product Parameters and Description

The main parameters of Fairchild Semiconductor's Bipolar Transistors - BJT product BC547B include 双极晶体管 - 双极结型晶体管(BJT) BJT, TO-92, 45V, 100mA, NPN. This is a Bipolar Transistors - BJT produced by Fairchild Semiconductor, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

BC547B Application and Selection Reference

Fairchild Semiconductor's Bipolar Transistors - BJT product BC547B has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, BC547B is a Bipolar Transistors - BJT solution worth considering, and manufacturer Fairchild Semiconductor provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for BC547B

Designers looking for BC547B recommended parts can evaluate the following options. BC547B selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
BCW60C	Fairchild Semiconductor
BCP52_NL	Fairchild Semiconductor	-
BDX33C	Fairchild Semiconductor	达林顿晶体管 Silicon Pwr Trnsistr

EZKEY can provide BC547B recommended part comparison data and engineering samples for evaluation.