ASS8550-L-HF

Single Bipolar Transistors Overview

The ASS8550-L-HF is a PNP silicon epitaxial planar transistor manufactured by Comchip Technology. It features a maximum collector current of 1.5 A and a collector-emitter voltage rating of 40 V. The device operates within a junction temperature range of -55°C to +150°C and offers a DC current gain (hFE) ranging from 100 to 320 at a collector current of 50 mA. Packaged in the SOT-23 surface-mount format, it is designed for general-purpose switching and amplification applications requiring compact form factors.

Single Bipolar Transistors Feature Summary

• Utilizes PNP silicon epitaxial planar construction for reliable performance
• Designed for high-speed switching and linear amplification tasks
• Compatible with standard surface-mount assembly processes

Single Bipolar Transistors Applications

• General-purpose signal switching circuits
• Low-power amplifier stages
• Driver circuits for small loads

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix matches the required package variant and tape/reel specifications. Confirm that the component meets RoHS compliance standards as indicated in the official datasheet. Ensure that the supplier provides valid traceability documentation and original manufacturer certification to guarantee authenticity and prevent counterfeit risks during procurement.

Single Bipolar Transistors Selection Notes

Select this component when a PNP transistor with moderate current handling capabilities and low voltage ratings is required. Consider the SOT-23 package constraints regarding thermal dissipation and PCB space limitations. Evaluate the hFE spread to ensure adequate gain margins for the intended circuit design without requiring excessive base drive current.

Single Bipolar Transistors Part Context

This part belongs to Comchip Technology's discrete semiconductor lineup, focusing on small-signal transistors. It serves as a complementary or alternative solution to other PNP devices in similar packages. The product line emphasizes cost-effective components for consumer electronics and industrial control systems where space efficiency is critical.

Single Bipolar Transistors Replacement Considerations

Consult official cross-reference lists for direct substitutes such as the BC857 series or equivalent PNP transistors in SOT-23 packages. Verify that any replacement matches the 40V VCEO and 1.5A IC ratings. Ensure thermal characteristics and pinout configurations are identical to avoid redesigning the host circuit board.