BCX38A APM PBFREE

Overview

The BCX38A APM PBFREE is an NPN Darlington transistor manufactured by Central Semiconductor Corp. It features a maximum collector-emitter voltage (VCEO) of 60 V and a collector-base voltage (VCBO) of 80 V. The device supports a maximum DC collector current of 800 mA with a power dissipation rating of 2 W. It utilizes a TO-92-3 through-hole package and operates within a temperature range of -65 °C to +175 °C.

Feature Summary

• High current gain capability inherent to the Darlington configuration for sensitive signal amplification
• Robust thermal performance supporting operation up to 175 °C junction temperature
• Through-hole mounting compatibility via standard TO-92-3 leaded package

Applications

• General purpose switching circuits requiring high input impedance
• Low-level audio amplifier stages
• Driver circuits for relays or small motors

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical tolerances and packaging variations. Ensure the procurement channel sources directly from authorized distributors to guarantee component authenticity and traceability. Cross-reference the part number with the latest datasheet revisions to confirm compliance with current environmental standards and RoHS directives before finalizing orders.

Selection Notes

Select this component when circuit design demands high current handling capabilities combined with elevated voltage ratings in a compact form factor. The Darlington architecture provides substantial current gain, reducing base drive requirements compared to single-transistor solutions. Evaluate thermal management needs carefully given the 2 W power dissipation limit and ensure the operating environment remains within the specified wide temperature range for reliable long-term performance.

Part Context

This component belongs to the Central Semiconductor bipolar transistor portfolio, specifically categorized under Darlington arrays. The BCX38A variant is engineered for applications requiring robust switching and amplification characteristics. It represents a standard solution for general-purpose electronics where high gain and moderate power handling are critical design parameters.

Replacement Considerations

Consult official substitution guides for compatible equivalents. Verify pinout compatibility and electrical parameter margins before implementing any alternative components in existing designs.