onsemi NPN Bipolar Transistor 500 mA 45 V 3-Pin SOT-23 Surface Mount BC817-25LT3G

onsemi BC817-25LT3G NPN Bipolar Transistor is a versatile component designed for linear and switching applications. Packaged in a 3-pin SOT-23 surface mount device, it provides reliable switching performance with a maximum collector current of 500 mA and collector-emitter voltage of 45 V. Its small size with dimensions 3.04 mm length, 2.64 mm width, and 1.11 mm height makes it well-suited for compact electronic designs.

The transistor features a high transition frequency of 100 MHz enabling efficient operation in high-frequency circuits. It boasts a maximum power dissipation rating of 300 mW, which supports thermal management in low-power applications. The device meets automotive qualification standard AEC-Q101, assuring quality and reliability for automotive and industrial applications.

Typical applications include protection circuits such as electrostatic discharge (ESD), polarity reversal, data line safeguarding, and inductive load protection. These functionalities make the BC817-25LT3G ideal for use in industrial control, automotive electronics, telecommunications, and general electronic consumer devices.

This transistor operates over a wide temperature range from -65°C to 150°C, further enhancing its utility in harsh environments. The package's surface mount design facilitates automated assembly and optimal PCB utilization in mass production. The BC817-25LT3G is part of the BC817-25L transistor series from onsemi well-known for consistent electrical performance and durability.

Maximum DC collector current rating of 500 mA supports medium power applications. Collector-emitter voltage is rated up to 45 V ensuring good voltage tolerance. Compact 3-pin SOT-23 surface mount package suitable for space-constrained PCB layouts.

Features a transition frequency up to 100 MHz enabling high-speed switching. Automotive standard compliant AEC-Q101 qualified for enhanced reliability. Temperature operating range from -65°C to 150°C for versatile environment usage.

Low power dissipation of 300 mW ideal for efficient thermal management. Transistor configured as NPN single transistor for general switching and amplification. Applications include ESD, polarity reversal, data line, and inductive load protection.

Part of the BC817-25L series known for robust performance in electronic circuits. Explore additional products and electronic components at EnvMart to support your design and manufacturing needs in industrial, automotive, and electronic sectors.

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