1812J1000273MJTE03

Overview

The Knowles Syfer 1812J1000273MJTE03 is a feed-through capacitor designed for surface mount technology. It features a capacitance of 0.027 µF with a voltage rating of 100V and a tolerance of ±20%. The component utilizes C0G/NP0 dielectric material, ensuring stability across a temperature range of -55°C to +125°C. It operates at a rated current of 50 mA and conforms to the 1812 (4532 metric) package dimensions.

Feature Summary

• Integrated feed-through architecture combining filtering and decoupling functions in a single SMD component
• C0G/NP0 dielectric provides stable capacitance characteristics over varying temperatures and voltages
• High current handling capability of 50 mA suitable for power line applications
• RoHS compliant construction supporting environmentally conscious manufacturing processes

Applications

• DC power line filtering in automotive electronic control units
• Noise suppression in high-frequency signal processing circuits
• Decoupling applications in compact mobile device power management systems
• EMI reduction in industrial instrumentation power inputs

Procurement Notes

Verify the specific suffix MJTE03 against official datasheets to confirm the feed-through configuration and terminal structure. Ensure compatibility with PCB pad layouts designed for center-pin feed-through components rather than standard two-terminal MLCCs. Confirm RoHS compliance status and moisture sensitivity level requirements prior to assembly planning.

Selection Notes

Select this component when space constraints require combined filtering and decoupling functionality. The 1812 footprint offers a balance between current handling capacity and board area efficiency. Consider the 50 mA rating relative to circuit load requirements and verify that the low ESR characteristics align with target noise suppression specifications.

Part Context

This part belongs to the Knowles Syfer 1812J series of feed-through capacitors. Unlike standard multilayer ceramic capacitors, these components integrate a central conductor pass-through. This design allows for effective common-mode noise attenuation while maintaining a compact surface-mount profile suitable for dense circuit board layouts.

Replacement Considerations

Direct substitutes include other 1812 feed-through capacitors from Knowles Syfer with matching 100V ratings and similar capacitance values. Verify terminal pin configurations and current ratings before substitution to ensure mechanical and electrical compatibility.