Andrew
Andrew Content Marketer
On Feb 4, 2026

BC547 Bipolar Transistors - BJT by Changjing Electronics Technology


The Bipolar Transistors - BJT BC547 by Changjing Electronics Technology are reliable, low-power small-signal transistors widely used in switching, amplification, and general-purpose electronic circuits. Known for stable gain, low noise, and cost efficiency, the BC547 is ideal for consumer electronics, industrial controls, and embedded designs.

Engineers searching for dependable Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT choose this device for its consistent performance and long operational life. You can source genuine parts globally from XON Electronics for fast and secure delivery.

Here are the Key Specifications for the BC547 Bipolar Transistors – BJT by Changjing Electronics Technology, formatted to match your blog section style:


Key Specifications


Technical Overview

  • Manufacturer: Changjing Electronics Technology

  • Part Number: BC547

  • Device Type: NPN Bipolar Junction Transistor (BJT)

  • Category: Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT

  • Package: TO-92 (Through Hole)

  • Collector-Emitter Voltage (VCEO): 45 V

  • Collector-Base Voltage (VCBO): 50 V

  • Emitter-Base Voltage (VEBO): 6 V

  • Collector Current (IC): 100 mA max

  • Power Dissipation (PD): 500 mW

  • DC Current Gain (hFE): 110 – 800 (gain groups A/B/C)

  • Transition Frequency (fT): 300 MHz typ

  • Operating Temperature Range: –55°C to +150°C

  • Mounting Style: Through Hole

  • Applications: Amplification, switching, signal processing


Key Features of BC547


Performance Highlights

  • NPN small signal transistor

  • Low collector current noise

  • High DC current gain (hFE)

  • Compact TO-92 package

  • Cost-effective design

  • Wide operating temperature range

These advantages make it a preferred option among Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT for everyday circuit requirements.


Technical Specifications


Electrical Details

  • Collector Current: 100 mA

  • Collector-Emitter Voltage: 45 V

  • Power Dissipation: 500 mW

  • Package: TO-92

  • Type: NPN BJT

Designed for efficient amplification and switching in modern Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT applications.


Applications


Common Use Cases

  • Audio pre-amplifiers

  • Signal processing circuits

  • Switching circuits

  • Sensor interfaces

  • Educational and DIY electronics

  • Consumer devices

Because of its flexibility, BC547 is one of the most widely adopted Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT across industries.


Why Choose Changjing Electronics Technology?


Changjing Electronics delivers quality manufacturing and consistent reliability. Their BC547 series provides stable parameters, low leakage, and dependable switching behavior for both prototyping and production.

For long-term designs needing trusted Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT, this component is a practical and economical solution.


Also Available from Other Manufacturers


Alternative Source

Equivalent BC547 variants are also available from ON Semiconductor to meet multiple sourcing requirements.


Download Datasheet


Access the official datasheet for complete electrical characteristics, pin configuration, and application circuits.BC547 Datasheet .


Why Buy from XON Electronics?


  • Genuine and traceable components

  • Competitive pricing

  • Global shipping

  • Bulk stock availability

  • Trusted supplier worldwide

Order today from X-On Electronics for fast procurement.


Conclusion


The BC547 Bipolar Transistors - BJT by Changjing Electronics Technology offer dependable performance, low cost, and versatile usage. For engineers seeking reliable Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT, this device is a proven choice for both switching and amplification tasks.


FAQs


Q1. What type of transistor is BC547?

It is an NPN small-signal BJT.

Q2. What is its maximum collector current?

Up to 100 mA.

Q3. What package is available?

TO-92 through-hole package.

Q4. Where can I buy genuine BC547?

Available online at XON Electronics.

Q5. Is it suitable for audio circuits?

Yes, it provides low noise and stable gain.




View All Tags

Looking for help? Visit our FAQ's Section to answer to all your questions

 

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For more than 30 years, we have championed innovation and helped shape the electronic components supply industry. Our management philosophy aligns with our global reach and unwavering commitment to quality. Built on a strong commercial foundation, we continue to drive innovation across everything we do. If you need a trustworthy reliable partner in electronic component supply – look no further.
 

Copyright ©2026  X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Image for all the cards that are acceptedImage for all the cards that are acceptedImage for all the cards that are acceptedImage for all the cards that are acceptedImage for all the cards that are acceptedAS9120 Certified