PA0438NL

Overview

The PA0438NL is a fixed surface-mount shielded toroidal inductor manufactured by Pulse Electronics. It features an inductance of 12.2 µH with a tolerance of ±15%. The component supports a maximum DC current of 500 mA and exhibits a maximum DC resistance (DCR) of 161 mΩ. Designed for operation within a temperature range of -40°C to +130°C, it measures 8.51 mm in length, 5.72 mm in width, and has a maximum height of 3.18 mm.

Feature Summary

• Shielded toroidal construction minimizes external magnetic interference
• Surface mount design facilitates automated PCB assembly
• Compliant with RoHS3 environmental standards

Applications

• General purpose power supply filtering
• Signal processing circuits requiring stable inductance
• Embedded system power management modules

Procurement Notes

Verify the specific datasheet version and manufacturing origin upon order confirmation. Confirm that the delivered components match the exact part number designation and packaging format required for your production line. Ensure compliance with relevant regional regulatory standards applicable to your final product deployment.

Selection Notes

Select this component when a compact shielded inductor with moderate current handling is required. The 12.2 µH value suits applications needing specific impedance characteristics at lower frequencies. Consider the 161 mΩ DCR for efficiency calculations in low-current paths where voltage drop must be managed carefully.

Part Context

This component belongs to the family of fixed surface-mount power inductors produced by Pulse Electronics. It utilizes a molded toroidal core structure to provide electromagnetic shielding. The series is designed for reliability in consumer and industrial electronics requiring standardized SMD footprints.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Cross-referencing requires matching inductance, current rating, and physical dimensions.