CMST5089 BK PBFREE

Single Bipolar Transistors Overview

The CMST5089 BK PBFREE is a single NPN silicon bipolar junction transistor manufactured by Central Semiconductor Corp. It features a maximum collector-emitter voltage of 30 V and a collector-base voltage of 35 V, with an emitter-base breakdown voltage of 4.5 V. The device supports a continuous collector current of 50 mA and dissipates up to 275 mW of power. Its transition frequency is rated at 50 MHz, and it offers a minimum DC current gain (hFE) of 350 at 100 µA. The component operates within a temperature range of -65°C to +150°C and is housed in a surface-mount SOT-323-3 package.

Single Bipolar Transistors Feature Summary

• High DC current gain capability for efficient signal amplification
• Wide operating temperature range suitable for demanding environments
• Compact surface-mount packaging for automated assembly

Single Bipolar Transistors Applications

• General-purpose switching applications
• Small-signal amplification circuits
• Low-power electronic devices

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm package type and tape/reel specifications. Ensure compliance with RoHS directives and check for any recent assembly or origin changes documented in product change notices. Confirm that the requested quantity matches available factory packaging formats.

Single Bipolar Transistors Selection Notes

Select this component when a low-voltage NPN transistor with high current gain is required in a compact footprint. Compare its 30 V rating and 50 mA limit against circuit requirements. Consider the SOT-323-3 package dimensions for PCB layout constraints and verify thermal dissipation needs relative to the 275 mW power rating.

Single Bipolar Transistors Part Context

This part belongs to the SUPERmini series from Central Semiconductor Corp, designed for space-constrained applications. It serves as a small-signal alternative to larger through-hole transistors while maintaining robust electrical characteristics. The series emphasizes reliability and performance in consumer and industrial electronics.

Single Bipolar Transistors Replacement Considerations

Publicly confirmed substitute part numbers are not provided in the available documentation.