onsemi Small Signal PNP Transistor 3-Pin SOT-23, -100 mA Collector Current, -45 V Collector Emitter Voltage BC857ALT1G

onsemi BC857ALT1G is a high-quality small signal PNP bipolar transistor designed for discrete semiconductor applications. It features a 3-pin SOT-23 surface mount package suitable for compact PCB layouts and automated production. The transistor supports a maximum DC collector current of -100 mA and a collector emitter voltage rating of -45 V, making it ideal for various low to moderate current amplification and switching circuits.

This transistor maintains reliable operation across a wide temperature range from -65°C up to 150°C, allowing use in demanding environments including automotive electronics compliant with AEC-Q101 standards. With a minimum DC current gain of 125, it provides efficient signal amplification with low noise characteristics.

The device dissipates up to 225 mW of power and operates with a maximum transition frequency of 100 MHz, suitable for high-speed switching and signal processing. Its compact dimensions of 3.04 mm length, 1.4 mm width, and 1.11 mm height enable space-constrained designs without compromising electrical performance.

Designed as a single PNP transistor for versatile discrete semiconductor applications. Surface mount SOT-23 package facilitates automated mounting and repair. Supports a maximum collector current of -100 mA and collector emitter voltage of -45 V.

Meets automotive grade AEC-Q101 reliability standards ensuring durability. Wide operating temperature from -65°C to 150°C for harsh conditions. Minimum DC current gain (hFE) of 125 ensures effective amplification. Compact size allows for efficient PCB space usage.

Maximum power dissipation of 225 mW handles moderate loads effectively. Transition frequency up to 100 MHz suitable for fast switching applications. Pin count of 3 enables straightforward circuit integration.

This bipolar transistor is ideal for industrial, automotive, consumer electronics, and communication equipment where compact, reliable amplification and switching are required. Its compliance with automotive standards and robust electrical specifications make it suited for both prototype and production use.

Explore more onsemi semiconductor solutions and Bipolar Transistors in the Electronics & Electricals category at EnvMart for advanced application needs.