SPD42R-183M

Fixed Inductors Overview

The SPD42R-183M is a shielded surface-mount power inductor from the Delevan SPD42R series. It features a ferrite core and wirewound construction, designed for high-current applications. The component provides an inductance of 18 uH with a tolerance of 20%. It supports a maximum DC current of 420 mA and exhibits a maximum DC resistance of 150 mOhms. The self-resonant frequency is rated at 28 MHz. Physical dimensions are 4.7 mm in length, 4.7 mm in width, and 2.92 mm in height.

Fixed Inductors Feature Summary

• Shielded design to minimize electromagnetic interference
• Ferrite core construction for stable performance
• Surface-mount technology (SMT) compatibility

Fixed Inductors Applications

• Power supply filtering
• DC-DC converter circuits
• General power electronics

Fixed Inductors Procurement Notes

Verify the specific ordering suffix and packaging configuration against the manufacturer's official documentation before purchase. Confirm that the required quantity aligns with the standard reel packaging specifications provided by the supplier. Ensure compliance with RoHS directives as indicated in the product specifications. Cross-reference the Mouser part number 807-SPD42R-183M with the manufacturer's designation to ensure accurate identification during the procurement process.

Fixed Inductors Selection Notes

Select this component when a shielded power inductor with 18 uH nominal inductance is required. Consider the 420 mA current rating and 150 mOhm resistance for efficiency calculations. The 4.7 x 4.7 mm footprint suits compact PCB layouts. Verify thermal requirements and operating temperature ranges against application constraints. Compare self-resonant frequency limits with circuit switching speeds.

Fixed Inductors Part Context

This part belongs to the SPD42R series of shielded surface-mount power inductors manufactured by API Delevan. The series utilizes ferrite cores and wirewound technology to provide reliable performance in power management applications. The SPD42R-183M specifically denotes the 18 uH variant within this standardized lineup of SMD chokes.

Fixed Inductors Replacement Considerations

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