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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：1812 (4532 Metric), 3 PC Pad
- Size / Dimension：0.177" L x 0.126" W (4.50mm x 3.20mm)
- Capacitance：0.068 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 1812Y1000683MSTE03 is a surface-mount multilayer ceramic capacitor (MLCC) featuring an X7R dielectric and a 100V DC voltage rating. It provides a capacitance of 0.068 µF with a ±20% tolerance. The component utilizes a FlexiCap design with a nickel barrier and flexible end terminations to enhance mechanical reliability. It is packaged in reels for automated assembly.
Feature Summary
- FlexiCap technology with flexible end terminations reduces stress on internal electrodes during board flexing
- Nickel barrier layer prevents tin whisker growth and ensures reliable solderability
- X7R dielectric material offers stable capacitance performance across a wide temperature range
Applications
- Automotive electronics requiring AEC-Q200 qualification
- Circuit boards susceptible to mechanical stress or flexing
- General-purpose decoupling and filtering in high-reliability applications
Procurement Notes
Verify the complete part number including the suffix to confirm specific termination and barrier characteristics. Ensure compatibility with reflow soldering profiles specified in the official datasheet. Confirm RoHS compliance status for your region's regulatory requirements before finalizing procurement.
Selection Notes
Select this component when board flex resistance is critical due to its specialized flexible termination structure. The X7R dielectric is suitable for general coupling and decoupling where moderate temperature stability is required. Consider the 1812 package size for current handling and capacitance density needs.
Part Context
This part belongs to the Knowles Syfer FlexiCap series, designed specifically for automotive and industrial applications where mechanical robustness is essential. The series addresses common failure modes associated with standard MLCCs under thermal cycling and mechanical vibration conditions.
Replacement Considerations
Direct substitutes must match the 1812 footprint, 100V rating, 0.068µF value, and X7R dielectric. Verify if the replacement offers comparable FlexiCap flexibility and nickel barrier features to maintain mechanical reliability standards.
