SS8050

Overview

The SS8050 is a small signal NPN transistor manufactured by HY Electronic (Cayman) Limited, housed in an SOT-23 package. It features a collector current of 1.5A and power dissipation of 300mW. Key electrical parameters include a collector-base breakdown voltage of 40V, collector-emitter breakdown voltage of 25V, and emitter-base breakdown voltage of 5V. The device exhibits a DC current gain ranging from 120 to 400, with a transition frequency of 100MHz. Maximum ratings specify a junction temperature of 150°C and storage temperature range of -55°C to +150°C.

Feature Summary

• Designed for high stability and reliability in general-purpose applications
• Complements the SS8550 PNP transistor for push-pull operations
• Utilizes halogen-free green molding compound compliant with UL 94V-0 flammability standards

Applications

• General-purpose amplification circuits
• Switching applications in digital logic
• Audio amplifier stages

Procurement Notes

Verify the specific datasheet revision against the manufacturer's official documentation before finalizing designs. Confirm that the SOT-23 pinout matches the intended circuit layout, as variations can occur across different manufacturers. Ensure thermal management aligns with the specified power dissipation limits under actual operating conditions.

Selection Notes

Select this component when a compact NPN transistor with a 1.5A continuous collector current capability is required. The SOT-23 package offers space efficiency for surface-mount designs. Consider the 25V collector-emitter breakdown voltage limit when designing circuits with higher supply voltages or transient spikes.

Part Context

This component belongs to the family of small-signal NPN bipolar junction transistors commonly used in consumer electronics and industrial control systems. It serves as a fundamental switching and amplifying element within electronic circuits, often paired with complementary PNP devices for efficient signal processing and power control tasks.

Replacement Considerations

SS8050-G

FAQ

What is the marking code on the SS8050 SOT-23 package?

The product type marking code on the package is Y1.

What are the maximum ratings for collector-base and collector-emitter voltages?

The maximum collector-base breakdown voltage is 40V, and the maximum collector-emitter breakdown voltage is 25V.

Is the SS8050 suitable for high-frequency applications?

Yes, it has a transition frequency of 100MHz, making it suitable for moderate-frequency signal processing and amplification.