1812Y0500223MSTE03

Overview

The Knowles Syfer 1812Y0500223MSTE03 is a multilayer ceramic capacitor (MLCC) in an 1812 surface-mount package. It features a capacitance of 22 nF with a tolerance of ±20% and a DC voltage rating of 50 VDC. The component utilizes X7R dielectric material, ensuring stability across a temperature range of -55°C to +125°C. It is certified to AEC-Q200 standards for automotive reliability. The device incorporates FlexiCap technology with a nickel barrier electrode structure, designed to enhance mechanical robustness against cracking during thermal cycling.

Feature Summary

• X2Y architecture providing integrated common-mode filtering capabilities within a single compact component.
• FlexiCap construction with nickel barrier electrodes to improve resistance to mechanical stress and thermal shock.
• AEC-Q200 qualification ensuring compliance with strict automotive electronic component reliability standards.

Applications

• Automotive infotainment system power distribution networks
• Electronic control unit (ECU) input/output signal lines
• High-reliability automotive sensor interface circuits

Procurement Notes

Verify the complete part number including the suffix to confirm specific termination and packaging details. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure supply chain sources provide valid traceability records for automotive-grade components. Check current availability as automotive MLCCs may experience allocation constraints.

Selection Notes

Select this component when space-constrained designs require combined decoupling and noise suppression functions. The X2Y topology reduces board area compared to discrete filter arrangements. Verify that the 50V rating exceeds peak circuit voltages. Ensure the PCB layout supports the 1812 footprint dimensions and thermal requirements for X7R materials.

Part Context

This component belongs to the Knowles Syfer FlexiCap series, which specializes in high-reliability capacitors for harsh environments. The Y-series designation typically indicates X2Y functionality, combining three terminals into one body for superior electromagnetic interference mitigation in sensitive automotive electronics.

FAQ

What is the specific terminal configuration of the 1812Y0500223MSTE03?

It utilizes an X2Y configuration, which integrates three electrical connections within a single monolithic ceramic body to function as both a capacitor and a common-mode choke.

Does this capacitor meet automotive industry standards?

Yes, it is qualified according to the AEC-Q200 standard, which defines stress test qualification for passive components in automotive applications.