1812Y0500104MSTE03

Overview

The Knowles Syfer 1812Y0500104MSTE03 is a surface-mount multilayer ceramic capacitor (MLCC) designed for high-reliability applications. It features an X7R dielectric material with a capacitance of 0.1 µF and a tolerance of ±20%. The component is rated for a DC voltage of 50V and operates within a temperature range of -55°C to +125°C. It utilizes the FlexiCap termination system with a nickel barrier to enhance mechanical durability. The device is AEC-Q200 qualified and conforms to the 1812 (4532 metric) package dimensions.

Feature Summary

• FlexiCap flexible termination technology with nickel barrier for enhanced board flex resistance
• AEC-Q200 qualification for automotive reliability standards
• X7R dielectric providing stable capacitance across wide temperature ranges

Applications

• Automotive electronics requiring AEC-Q200 compliance
• Circuit boards subject to mechanical stress or flexing
• High-reliability general-purpose MLCC applications

Procurement Notes

Verify the complete part number including suffixes such as '03' against official manufacturer documentation to ensure correct termination and packaging specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to integration into production workflows.

Selection Notes

Select this component when board flex resilience is critical due to its specialized FlexiCap terminations. Ensure the 50V rating and 0.1 µF capacitance align with circuit design parameters. Verify that the 1812 footprint matches the PCB layout constraints and that X7R characteristics are suitable for the operating environment.

Part Context

This component belongs to the Knowles Syfer 1812Y series, which specializes in high-reliability capacitors featuring flexible terminations. The series is engineered to address mechanical failure modes common in standard MLCCs, particularly in automotive and industrial sectors where board movement occurs.

FAQ

What is the specific function of the nickel barrier in this capacitor?

The nickel barrier serves as an intermediate layer between the internal electrode and the outer termination, improving solderability and enhancing the mechanical integrity of the connection under thermal cycling.

Is this component suitable for high-voltage AC applications?

No, this component is rated for 50V DC. For AC applications, specific safety-certified variants from the same manufacturer should be consulted.