Andrew
Andrew Content Marketer
On Dec 8, 2025
 

BC817-25LT1G Bipolar Transistors - BJT by ON Semiconductor – High-Gain Switching & Amplification for Modern Electronics

The Bipolar Transistors - BJT BC817-25LT1G by ON Semiconductor are widely used for switching, amplification, and signal processing in compact and high-performance electronic circuits. Engineered for reliability and consistent gain performance, this transistor is ideal for low-power applications, digital interface boards, and consumer electronics.

Built for robust performance in systems requiring Semiconductors, Discrete Semiconductors, Transistors, and especially Bipolar Transistors - BJT, the BC817-25LT1G is a trusted component within the BC817-25LT1G transistor family and is suited for mixed-signal and high-efficiency circuit designs.


Technical Specifications of BC817-25LT1G

  • Manufacturer: ON Semiconductor

  • Part Number: BC817-25LT1G

  • Type: NPN Bipolar Junction Transistor

  • Collector Current: 800 mA max

  • Collector-Emitter Voltage (Vce): 45V

  • DC Current Gain (hFE): 160 – 400

  • Package: SOT-23

  • Application Use: Switching, amplification

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

This compact NPN transistor delivers excellent gain consistency and enhanced signal performance.


Key Features of BC817-25LT1G

  • High DC Gain Range – Ideal for amplification circuits

  • Low Saturation Voltage – Ensures efficient switching

  • Compact SOT-23 Package – Saves PCB space for small electronics

  • Robust Current Handling – Supports up to 800 mA load

  • Designed for modern Semiconductors, Discrete Semiconductors, and Bipolar Transistors - BJT applications

These features make it perfect for both consumer and industrial-grade electronics.


Applications of BC817-25LT1G

Common applications include:

  • Power switching modules

  • Low-noise amplifier circuits

  • Digital logic drivers

  • IoT and embedded systems

  • Portable consumer devices

  • Communication hardware

  • High-gain Transistors and Bipolar Transistors - BJT applications within Semiconductors systems

Its versatility makes it a top choice for PCB designers and engineers.


Wiring & PCB Integration Overview

  1. Connect collector to load or switching node

  2. Connect emitter to ground (or reference)

  3. Drive base with current-limited signal

  4. Ensure thermal and gain stability based on design

This enables efficient high-gain switching using compact Transistors in Discrete Semiconductors systems.


Use Case Scenario: Compact Power Amplifier Driver

Scenario: A portable electronics manufacturer needed a high-gain transistor for a miniature power amplifier.
Problem: Larger devices consumed board space and added heat.
Solution: The BC817-25LT1G Bipolar Transistors - BJT by ON Semiconductor delivered strong gain performance and low-voltage switching in an ultra-compact SOT-23 package.
Result: Reduced board size, improved efficiency, and stable long-term operation.

This shows why the device is trusted across Semiconductors, Discrete Semiconductors, Transistors, and Bipolar Transistors - BJT applications.


Download Datasheet for BC817-25LT1G

For detailed electrical curves, gain charts, and mechanical data:
Download BC817-25LT1G Datasheet


Why Buy from XON Electronics?

  • 100% authentic ON Semiconductor components

  • Worldwide delivery to USA, India, Australia, Europe & more

  • Trusted supplier of Semiconductors and Discrete Semiconductors

  • Excellent pricing for OEMs, R&D labs, and manufacturers

  • Reliable logistics and secure online ordering

Buy online at https://www.xonelec.com/.


Conclusion

The BC817-25LT1G Bipolar Transistors - BJT by ON Semiconductor provide reliable high-gain switching, compact PCB integration, and robust performance for modern electronics. As a key part of the Semiconductors, Discrete Semiconductors, Transistors, and Bipolar Transistors - BJT ecosystem, it is ideal for power circuits, embedded systems, and low-voltage amplification.


FAQs – BC817-25LT1G BJT

Q1. What type of transistor is BC817-25LT1G?
It is an NPN bipolar junction transistor.

Q2. What is its collector current rating?
It supports up to 800 mA.

Q3. Is it suitable for amplification?
Yes, its high gain makes it ideal for amplifier circuits.

Q4. What package does it come in?
It is in a compact SOT-23 package.

Q5. Where can I buy it?
Purchase globally at https://www.xonelec.com/.




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