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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：500V
- 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：0.027 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 1812Y5000273MJTE03 is a surface-mount multilayer ceramic capacitor (MLCC) from the FlexiCap series. It features a 27 nF capacitance with a ±20% tolerance and a 500 VDC voltage rating. The component utilizes X7R dielectric material, ensuring stability across an operating temperature range of -55°C to +125°C. Housed in a standard 1812 (4532 metric) package, it incorporates flexible end terminations designed to enhance reliability in board-flex sensitive applications.
Feature Summary
- Flexible end terminations reduce mechanical stress on the capacitor body during PCB flexing.
- X7R dielectric provides stable capacitance characteristics over a wide industrial temperature range.
- High voltage rating of 500 VDC suitable for demanding power circuit applications.
Applications
- Automotive electronics requiring AEC-Q200 compliance
- Board-flex sensitive circuit assemblies
- General purpose high-voltage filtering
Procurement Notes
Verify the specific suffix 'E03' against official manufacturer documentation to confirm packaging details and RoHS status. Ensure the source document explicitly supports this full part number string, as distributor listings may vary in completeness. Cross-reference the FlexiCap series designation for accurate handling instructions regarding flexible terminations.
Selection Notes
Select this component when board flex resistance is critical due to its flexible termination technology. The X7R dielectric offers a balance of capacitance density and temperature stability. Confirm that the 500V rating meets the circuit requirements and that the 1812 footprint aligns with the PCB layout constraints.
Part Context
This part belongs to the Knowles Syfer FlexiCap series, which specializes in MLCCs with soft or flexible terminations. These components are engineered to mitigate cracking risks associated with mechanical stress in rigid substrates. The 1812Y prefix indicates the 1812 case size and X7R dielectric type within the broader Syfer portfolio.
Replacement Considerations
Publicly confirmed substitute part numbers for this specific variant are not available in the provided reference data. Verify compatibility with alternative FlexiCap models only through official manufacturer substitution guides.
