The SS8050 Y1 1.5A/25V NPN Double S Current SOT89 SMD CHIP Transistor is a general purpose NPN transistor designed for surfacemount applications. It supports up to 1.5 A continuous collector current and a 25 V collectoremitter voltage, making it suitable for switching and amplification tasks in compact boards. The package is SOT89, providing a small footprint with improved heat dissipation for moderate power demands. The reference Y1 marking helps with traceability in production and assembly. Key benefits current capability in a compact SOT89 package, enabling reliable control of relays, small motors, LEDs, and other load devices in space constrained designs. Versatile NPN transistor suitable for both switching and amplification in a wide range of circuits. Improved heat management relative to smaller SMD packages, supporting stable operation at moderate currents. Consistent silicon transistor performance in a convenient 10piece pack, aiding in quick prototyping and production. Key attributes Type: NPN transistor Model/Brand: SS8050 Y1 Package: SOT89, SMD chip transistor Current rating: 1.5 A (continuous collector current) Voltage rating: 25 V (collectoremitter) Marking: Y1 Material: Silicon Configuration: General purpose, current design Packaging: 10 pieces per pack Compatibility and usage Designed for surfacemount PCB designs using the SOT89 footprint. Suitable as a replacement for comparable NPN transistors in compatible circuits and assemblies. Ideal for boardlevel switching and amplification tasks in consumer electronics, automotive, and industrial applications where moderate current drive and compact size are required. Use cases Driving a 12 V relay in a microcontrollercontrolled device, providing a simple, reliable switch for load control. Switching a small DC motor or solenoid in a compact actuator or robotics project, where space and board height are considerations. Amplifying or buffering sensor signals in instrumentation or audiorelated applications, or acting as a general purpose driver in logictopower interfaces. Package contents 10 pieces per package, each in SOT89 suitable for surfacemount assembly. Notes Do not exceed the specified 25 Vce or 1.5 A Ic ratings to maintain reliable operation. Suitable for general purpose use where a compact, current NPN transistor is required in SMD designs.