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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：0.2 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 1812Y1000204MJTE03 is a surface-mount pass-through multilayer ceramic capacitor (MLCC) from the FlexiCap E03 series. It features a capacitance of 0.22 µF with a ±20% tolerance and a DC voltage rating of 100 VDC. The component utilizes X7R dielectric material, ensuring stable performance across an operating temperature range of -55°C to +125°C. Housed in a standard 1812 (4532 metric) package, it offers flexible terminal construction for enhanced mechanical reliability.
Feature Summary
- Pass-through architecture enables direct current flow through the component body.
- Flexible terminal design provides superior resistance to mechanical stress and board flexing.
- X7R dielectric ensures consistent capacitance stability over wide temperature variations.
Applications
- High-current power distribution networks requiring integrated filtering
- Automotive electronics systems demanding robust mechanical reliability
- Industrial power supply input/output stages
Procurement Notes
Verify the complete part number including the E03 suffix to confirm the specific flexible terminal configuration. Ensure compatibility with high-current PCB trace designs due to the pass-through structure. Confirm RoHS compliance status via official manufacturer documentation prior to integration.
Selection Notes
Select this component when circuit designs require simultaneous power transmission and noise suppression in a single footprint. The 1812 size accommodates higher capacitance values compared to smaller packages. Verify that the 100V rating meets the maximum circuit voltage requirements under all operating conditions.
Part Context
This component belongs to the Knowles Syfer FlexiCap family, specialized for applications requiring high mechanical durability. The E03 designation identifies the specific pass-through variant within the broader MLCC portfolio. It addresses the need for compact, high-reliability solutions in modern electronic assemblies.
Replacement Considerations
Direct substitutes must match the 1812 footprint, 0.22 µF capacitance, 100V rating, and pass-through functionality. Generic MLCCs lack the flexible terminals and internal conductor path. Consult manufacturer cross-reference lists for verified equivalent part numbers.
