1812Y0500333MJTE03

Overview

The Knowles Syfer 1812Y0500333MJTE03 is a high-reliability multilayer ceramic feed-through capacitor designed for surface-mount applications. It features a 0.033 µF capacitance with a ±20% tolerance and a 50 VDC rated voltage. Utilizing X7R dielectric material, this component operates within a temperature range of -55°C to +125°C. The device is housed in an 1812 (4532 metric) package and incorporates FlexiCap technology with a nickel barrier termination system. It is qualified to the AEC-Q200 standard for automotive reliability.

Feature Summary

• Integrated feed-through architecture providing enhanced electromagnetic interference filtering capabilities
• FlexiCap flexible termination design engineered to reduce mechanical stress on the substrate during thermal cycling
• Nickel barrier electrode structure ensuring robust solderability and long-term connection integrity
• AEC-Q200 qualification confirming suitability for demanding automotive electronic environments

Applications

• Automotive power supply input filtering circuits
• High-frequency noise suppression in vehicle electronics
• Signal conditioning in automotive control modules

Procurement Notes

Verify the complete part number including all suffixes against official manufacturer documentation to ensure correct configuration. Confirm that the specific ordering code matches the required dielectric type, termination style, and packaging format. Cross-reference the datasheet revision date to validate current specifications before finalizing procurement decisions.

Selection Notes

Select this component when a surface-mount feed-through topology is required for EMI suppression in compact designs. The 1812 footprint accommodates higher current handling compared to smaller cases. Ensure the circuit voltage remains below the 50 VDC rating and verify that the X7R temperature characteristics align with the operational environment requirements.

Part Context

This component belongs to the Knowles Syfer Y series of high-reliability MLCCs. The series is specifically engineered for automotive and industrial sectors requiring stringent quality standards. The designation indicates an X7R dielectric variant within the broader portfolio of shielded and unshielded pass-through capacitors.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify compatibility with alternative feed-through capacitors by matching the 1812 footprint, 50 VDC rating, 0.033 µF capacitance, and FlexiCap termination style.