A1N4148W-HF

Overview

The A1N4148W-HF is a small signal switching diode manufactured by Comchip Technology, designed for surface mount applications in the SOD-123 package. It features a peak reverse voltage of 75 V and a maximum forward current of 150 mA. The device exhibits a fast recovery time of 4 ns and a low junction capacitance of 2 pF, ensuring efficient high-speed switching performance. With a power dissipation rating of 150 mW and an operating temperature range from -55°C to +150°C, it provides reliable operation in demanding electronic circuits.

Feature Summary

• Automotive-grade reliability compliant with AEC-Q101 standards
• Fast switching capability with 4 ns reverse recovery time
• Low junction capacitance for high-frequency signal integrity

Applications

• Automotive electronics systems
• High-speed signal switching circuits
• General purpose rectification in compact designs

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status and specific automotive qualification documentation prior to integration. Ensure storage conditions align with manufacturer guidelines to maintain device integrity. Cross-reference datasheet revisions to confirm parameter consistency for your specific design requirements.

Selection Notes

Select this component when automotive qualification is required for small-signal switching applications. The SOD-123 package offers space efficiency compared to larger alternatives. Consider the 75 V reverse voltage limit and 150 mA forward current constraints against circuit demands. Evaluate thermal management needs given the 150 mW power dissipation rating in enclosed environments.

Part Context

This part belongs to Comchip Technology's automotive-grade diode portfolio, specifically engineered to meet rigorous industry standards. It serves as a surface-mount alternative to traditional through-hole switching diodes, offering improved automation compatibility and reduced board footprint while maintaining robust electrical performance characteristics.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.