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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：200V
- Current：50 mA
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：1812 (4532 Metric), 3 PC Pad
- Size / Dimension：0.177" L x 0.126" W (4.50mm x 3.20mm)
- Capacitance：0.22 µF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：-
- Temperature Coefficient：X7R
- Ratings：-
- Height (Max)：0.030" (0.75mm)
- Thread Size：-
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Overview
The Knowles Syfer 1812Y2000224MSTE03 is a surface-mount multilayer ceramic capacitor (MLCC) designed for high-reliability applications. It features a capacitance of 0.22 µF with a voltage rating of 200V and a tolerance of ±20%. The component utilizes X7R dielectric material and is housed in an 1812 (4532 metric) package. It is certified to AEC-Q200 standards and incorporates FlexiCap technology with a nickel barrier, classifying it as an X2Y pass-through capacitor.
Feature Summary
- AEC-Q200 qualified for automotive reliability requirements
- FlexiCap technology with nickel barrier for enhanced mechanical robustness
- X2Y pass-through architecture providing integrated filtering capabilities
Applications
- Automotive electronics requiring board-flex sensitivity mitigation
- High-voltage DC-DC converter input/output filtering
- Power supply noise suppression in sensitive circuits
Procurement Notes
Verify the specific suffix MSTE03 against official datasheets to confirm the presence of the nickel barrier and FlexiCap termination structure. Ensure compatibility with automated pick-and-place equipment due to the specific terminal design. Confirm RoHS compliance status through manufacturer documentation prior to integration into regulated assemblies.
Selection Notes
Select this component when board flex resistance is critical alongside high capacitance density. The X2Y configuration offers superior common-mode noise rejection compared to standard MLCCs. Consider the 1812 footprint constraints and verify that the 200V rating exceeds peak circuit voltages including transients.
Part Context
This part belongs to the Knowles Syfer 1812Y series, which specializes in high-capacitance, high-voltage MLCCs. The series is engineered for demanding environments where standard capacitors may fail due to mechanical stress or electrical overstress. It represents a solution for miniaturization in power management modules.
Replacement Considerations
Direct substitutes require matching the 1812 package, 0.22µF value, 200V rating, and X2Y pass-through functionality. Verify if alternative manufacturers offer equivalent FlexiCap-style terminations for identical mechanical performance.
