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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：0.033 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 1812Y1000333MSTE03 is a multilayer ceramic capacitor (MLCC) in the FlexiCap series. It features a capacitance of 33 nF with a tolerance of ±20% and an X7R dielectric. The component has a DC voltage rating of 100 V and operates within a temperature range of -55°C to +125°C. It utilizes a 1812 (4532 metric) surface mount package with soft termination technology. The device meets AEC-Q200 automotive standards and complies with RoHS 3 regulations.
Feature Summary
- Soft termination design for enhanced board flex sensitivity
- AEC-Q200 qualified for automotive reliability
- X7R dielectric for stable performance across temperature ranges
Applications
- Automotive electronics
- Boardflex sensitive circuits
- General purpose SMD/SMT applications
Procurement Notes
Verify the specific suffix MSTE03 against official datasheets, as standard listings may omit terminal or packaging details. Confirm availability through authorized distributors, as stock levels fluctuate. Ensure the ordering quantity aligns with manufacturer reel specifications. Cross-reference the part number with the latest Knowles Syfer documentation to confirm current production status and compliance certifications before procurement.
Selection Notes
Select this component for designs requiring high reliability in automotive environments. The soft termination feature mitigates stress during PCB bending. Verify that the 100V rating and 33nF capacitance meet circuit requirements. Consider the X7R characteristics for temperature stability. Ensure the 1812 footprint fits the layout constraints. Check for compatible replacement parts if supply chain issues arise.
Part Context
This part belongs to the Knowles Syfer FlexiCap series, designed specifically for applications susceptible to mechanical stress. The series combines standard MLCC electrical properties with specialized terminations to prevent cracking. It is categorized under general type MLCCs and is suitable for surface mount assembly processes.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Consult official Knowles Syfer catalogs for potential upgrades or equivalents.
