MWSD1005C4N0STM81

Fixed Inductors Overview

The MWSD1005C4N0STM81 is a surface-mount fixed inductor manufactured by Shenzhen Sunlord Electronics Co., Ltd. It features an unshielded drum core, wirewound construction with a ceramic magnetic core. The component has an inductance of 4 nH and a tolerance of ±10%. It supports a maximum rated current of 1.95 A and exhibits a maximum DC resistance of 30 mOhm. The device operates within a temperature range of -40°C to 125°C and utilizes a 0402 (1005 metric) package measuring 1.10mm x 0.53mm x 0.70mm.

Fixed Inductors Feature Summary

• Unshielded drum core wirewound design for high-frequency signal integrity
• Compact 0402 surface-mount footprint for space-constrained layouts
• High current handling capability suitable for power filtering applications

Fixed Inductors Applications

• RF circuit impedance matching networks
• DC-DC converter input/output filtering
• High-speed digital signal line decoupling

Fixed Inductors Procurement Notes

Verify the complete part number against official manufacturer documentation to ensure correct suffix designation. Confirm that the specific ordering code matches the required inductance value and tolerance specifications. Cross-reference the package dimensions and terminal configuration with the target PCB layout requirements prior to procurement.

Fixed Inductors Selection Notes

Select this component when a low-inductance, high-current solution is required for RF or power stages. Ensure the operating frequency remains below the self-resonant frequency to maintain inductive behavior. Verify that the physical size constraints align with the 0402 package dimensions and that the thermal environment stays within the specified operational temperature range.

Fixed Inductors Part Context

This component belongs to the MWSD-C-M series of multi-layer chip ceramic inductors produced by Sunlord. The series is designed for high-frequency applications requiring stable inductance values in compact packages. Sunlord specializes in passive components for communication, consumer electronics, and automotive sectors.

Fixed Inductors Replacement Considerations

Consult official manufacturer substitution lists for verified equivalents. Do not assume interchangeability based solely on package size or nominal inductance values without verifying electrical characteristics and thermal ratings.