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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：100V
- Current：50 mA
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：1206 (3216 Metric), 3 PC Pad
- Size / Dimension：0.126" L x 0.063" W (3.20mm x 1.60mm)
- Capacitance：0.018 µF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：-
- Temperature Coefficient：X7R
- Ratings：-
- Height (Max)：0.051" (1.30mm)
- Thread Size：-
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Overview
The Knowles Syfer 1206Y1000183MSTE03 is a surface-mount multilayer ceramic capacitor (MLCC) designed for high-reliability applications. It features an X7R dielectric with a capacitance of 18 nF and a voltage rating of 100 VDC. The component utilizes a FlexiCap™ technology with a nickel barrier to enhance mechanical robustness against board flexing. Certified to AEC-Q200 standards, it operates within a temperature range of -55°C to +125°C. The package size is 1206 (3216 metric), and it incorporates X2Y architecture for superior electromagnetic interference suppression.
Feature Summary
- FlexiCap™ technology with nickel barrier for enhanced mechanical durability
- X2Y architecture providing integrated common-mode noise filtering
- AEC-Q200 qualified for automotive reliability requirements
Applications
- Automotive electronics requiring board-flex resistance
- High-frequency signal line decoupling
- Electromagnetic interference (EMI) suppression circuits
Procurement Notes
Verify the specific suffix STE03 to confirm the inclusion of the FlexiCap™ nickel barrier and X2Y configuration. Ensure compatibility with AEC-Q200 qualification requirements if used in automotive systems. Confirm that the 1206 footprint matches the target PCB design constraints. Check current supply status as availability may vary by region.
Selection Notes
Select this component when both high mechanical resilience and EMI filtering are required in a compact form factor. The X7R dielectric offers higher capacitance density than C0G types while maintaining stability. The FlexiCap™ feature is critical for assemblies subject to significant mechanical stress or board bending during operation.
Part Context
This part belongs to the Knowles Syfer FlexiCap™ series, which specializes in mechanically robust MLCCs. The 1206Y prefix indicates a 1206 case size with Y-series characteristics. The MSTE03 suffix denotes the specific termination and barrier construction associated with the FlexiCap™ and X2Y technologies.
Replacement Considerations
Direct substitutes must match the 1206 footprint, 100V rating, 18nF capacitance, and X2Y architecture. Verify that any replacement also includes FlexiCap™ technology if mechanical stress resistance is a design constraint.
