1812J2000392MJTE03

Overview

The Knowles Syfer 1812J2000392MJTE03 is a feed-through capacitor designed for surface-mount technology. It features a capacitance of 3900 pF and a voltage rating of 200 VDC. The component operates within a temperature range of -55°C to +125°C. Physical dimensions conform to the 1812 (4532 metric) package, measuring 4.5 mm in length, 3.2 mm in width, and 1.6 mm in height. It includes an integrated current rating of 50 mA.

Feature Summary

• Integrates feed-through filtering functionality within a standard surface-mount footprint
• Provides high-current handling capability with a rated capacity of 50 mA
• Utilizes C0G/NP0 dielectric material for stable electrical performance across operating temperatures

Applications

• High-frequency noise suppression in power distribution networks
• Signal integrity protection in sensitive electronic circuits
• EMI filtering applications requiring combined DC current carrying and AC decoupling

Procurement Notes

Verify the specific suffix designation against the manufacturer's latest documentation to confirm terminal configuration and barrier plating specifications. Ensure that the selected variant matches the required current rating and physical envelope constraints for the target PCB layout. Cross-reference the datasheet for any recent product change notifications regarding material composition or manufacturing location updates prior to final procurement authorization.

Selection Notes

Select this component when circuit design requires simultaneous high-current DC conduction and RF noise attenuation in a compact form factor. Evaluate the thermal management requirements to ensure operation remains within the specified -55°C to +125°C range. Confirm that the 200V DC rating provides adequate margin for peak transient voltages present in the application environment.

Part Context

This part belongs to the Knowles Syfer XT series of multilayer ceramic capacitors. It represents a specialized category of components that merge traditional MLCC characteristics with feed-through architecture. The series targets applications demanding robust EMI/RFI suppression without compromising current carrying capacity in space-constrained designs.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.