CMST2222A BK PBFREE

Single Bipolar Transistors Overview

The CMST2222A BK PBFREE is an NPN silicon transistor manufactured by Central Semiconductor Corp using an epitaxial planar process. It is housed in a surface-mount SOT-323 package. The device features a maximum collector current of 600 mA and a collector-emitter breakdown voltage of 40 V. Key electrical parameters include a transition frequency of 300 MHz, a maximum power dissipation of 275 mW, and a DC current gain (hFE) of at least 100 at 150 mA and 10 V. The component supports a junction temperature range from -65°C to 150°C.

Single Bipolar Transistors Feature Summary

• Epitaxial planar construction for reliable performance
• Surface mount design compatible with automated assembly
• High switching speed capability via 300 MHz transition frequency

Single Bipolar Transistors Applications

• General-purpose signal amplification
• Switching applications in low-power circuits
• Driver stages for small-signal loads

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'BK' against the manufacturer's official documentation to confirm bulk packaging specifications. Ensure the 'PBFREE' designation aligns with required environmental compliance standards for the target assembly. Cross-reference the exact part number with authorized distributor catalogs to confirm active status and availability before finalizing procurement plans.

Single Bipolar Transistors Selection Notes

Select this component when a compact NPN transistor is required for surface-mount PCB layouts. Consider its 600 mA current rating and 40 V voltage limit for appropriate circuit stress margins. Evaluate the 275 mW power dissipation capability relative to thermal management constraints in the final enclosure design.

Single Bipolar Transistors Part Context

This part belongs to the CMST2222 family of NPN transistors. It shares functional similarities with other surface-mount variants like the CMPT2222A but differs in physical package dimensions. The SOT-323 form factor distinguishes it from larger through-hole or standard SOT-23 equivalents, offering a smaller footprint for space-constrained designs.

Single Bipolar Transistors Replacement Considerations

Direct substitutes may include other NPN transistors in SOT-323 packages with comparable 40V/600mA ratings. Verify pinout compatibility and thermal characteristics before substitution.