BCX38A TRA PBFREE

Overview

The BCX38A TRA PBFREE is an NPN Darlington transistor manufactured by Central Semiconductor Corp. It features a collector-emitter voltage rating of 60V and a collector-base voltage of 80V, with an emitter-base voltage limit of 10V. The device is housed in a TO-92 package and supports surface mount or through-hole mounting configurations depending on the specific lead frame variant. It is designed for general-purpose amplification and switching applications requiring high current gain.

Feature Summary

• High DC current gain characteristic typical of Darlington pair configurations
• Robust voltage ratings suitable for moderate power switching environments
• Low saturation voltage performance for efficient signal processing

Applications

• General-purpose amplifier circuits
• Solid-state relay drivers
• Logic interface buffers

Procurement Notes

Verify the exact suffix 'TRA' against the manufacturer's official datasheet to confirm pinout orientation and mechanical dimensions. Ensure RoHS compliance documentation matches the specific production batch. Cross-reference the Mouser part number 610-BCX38A for availability status and lead times directly from authorized distributors.

Selection Notes

Select this component when high input impedance and substantial current drive capability are required within a low-voltage operational range. Compare the 60V C-E rating against circuit supply voltages to ensure adequate safety margins. Consider the thermal dissipation requirements of the TO-92 package for continuous operation scenarios.

Part Context

This part belongs to the Central Semiconductor BJT family, specifically utilizing Darlington architecture for enhanced gain. It serves as a discrete semiconductor solution for analog and digital control systems where standard bipolar transistors lack sufficient amplification factors.