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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：6800 pF
- 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 1812Y2000682MSTE03 is a surface-mount multilayer ceramic capacitor (MLCC) designed for high-reliability applications. It features an X7R dielectric with a capacitance of 6.8 nF and a voltage rating of 200 VDC. The component adheres to the AEC-Q200 automotive qualification standard, ensuring robustness in demanding environments. It utilizes a FlexiCap termination system with a nickel barrier to enhance mechanical durability against thermal cycling stress. The device is housed in a standard 1812 (4532 metric) package footprint.
Feature Summary
- AEC-Q200 qualified for automotive reliability standards
- FlexiCap termination technology with nickel barrier for enhanced mechanical strength
- X2Y architecture providing integrated common-mode noise suppression
Applications
- Automotive electronic circuits requiring AEC-Q200 compliance
- High-voltage DC-DC converter filtering stages
- Noise suppression in sensitive signal processing lines
Procurement Notes
Verify the complete part number including suffixes such as '03' for packaging configuration. Confirm that the FlexiCap termination style matches the PCB pad design requirements for optimal solder joint integrity under thermal stress. Ensure the supplier provides traceability documentation consistent with automotive quality management systems.
Selection Notes
Select this component when both high voltage handling and mechanical resilience are critical. The X7R dielectric offers higher volumetric efficiency than Class 1 alternatives while maintaining stability over temperature. The specific FlexiCap construction is necessary for applications subject to significant board flexing or rapid thermal transitions.
Part Context
This part belongs to the Knowles Syfer 1812Y series, which specializes in high-reliability MLCCs. The series integrates X2Y functionality within a standard SMD footprint, combining three terminals into one package for efficient space utilization. It targets industries where failure rates must be minimized through rigorous qualification protocols.
Replacement Considerations
Direct substitutes must match the 1812 footprint, 200V rating, 6.8nF value, and X7R dielectric. Verify if the replacement supports AEC-Q200 if automotive use is required. Note that alternative terminations may lack the FlexiCap mechanical benefits.
