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Ⅰ.Overview of product

The MSS1210-225KED is a shielded surface-mount fixed inductor launched by Coilcraft, belonging to the classic MSS1210 series. It features stable inductance performance and compact structure, designed for power filtering and energy storage of medium and low-frequency electronic circuits.

Ⅱ.Core parameter

Category:Inductors,Coils,Chokes,Fixed Inductors

Shielding:Shielded

Mfr:Coilcraft

DC Resistance (DCR):2.14Ohm Max

Series:MSS1210

Frequency - Self Resonant:700kHz

Packaging:Strip

Part Status:Active

Operating Temperature:-40°C ~ 85°C

Type:Drum Core

Inductance Frequency - Test:100 kHz

Material - Core:Ferrite

Mounting Type:Surface Mount

Inductance:2.2 mH

Tolerance:±10%

Size / Dimension:0.472" L x 0.472" W (12.00mm x 12.00mm)

Current Rating (Amps):520 mA

Height - Seated (Max):0.402" (10.20mm)

Current - Saturation (Isat):660mA

Ⅲ.Main characteristics

Magnetic Shielding:This inductor adopts an integral shielding structure to effectively suppress internal magnetic leakage. It greatly reduces electromagnetic interference to surrounding adjacent electronic components on the PCB.

Stable Inductance:It uses high-quality ferrite core materials with an inductance tolerance of ±10%. The component maintains accurate and consistent inductance values under standard test conditions.

Low DC Loss:It features a maximum DCR of 2.14 Ohms, ensuring low direct current loss during operation. This characteristic effectively reduces circuit power consumption and heat generation.

Reliable Current:It supports 520mA rated current and 660mA saturation current for stable load adaptation. It can maintain normal working performance without magnetic saturation under conventional working currents.

Moderate Frequency:Its self-resonant frequency reaches 700kHz and is tested stably at 100kHz. It delivers excellent working stability in medium and low-frequency circuit scenarios.

Compact Mounting:Designed with standard surface-mount drum core structure and strip packaging. It is convenient for automated SMT welding and improves production assembly efficiency.

Ⅳ.Application field

Power Filtering:It is used in DC power supply modules of desktop mini speakers. It filters high-frequency ripple current and stabilizes the output voltage of audio power circuits.

Signal Stabilization:It applies to low-frequency signal processing circuits of wired communication routers. It suppresses signal current jitter and ensures stable data transmission of network ports.

Energy Storage:It serves in small switching power supplies for smart home sensors. It stores and releases electric energy stably to maintain continuous operation of low-power sensors.

EMI Suppression:It is installed in the power input terminals of portable Bluetooth headsets. It shields external electromagnetic interference and improves the anti-interference ability of equipment power supply systems.

Circuit Protection:It is used in low-voltage control circuits of household smart switches. It buffers instantaneous current surges and protects rear-end chips and circuit components.

Ⅴ.Summary

The MSS1210-225KED shielded fixed inductor has outstanding stability, low loss and strong anti-interference performance. It is a reliable and cost-effective component, widely suitable for medium and low-frequency power and signal processing circuits of various civilian electronic devices.