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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：25V
- Current：2:00 AM
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：1206 (3216 Metric), 3 PC Pad
- Size / Dimension：0.126" L x 0.063" W (3.20mm x 1.60mm)
- Capacitance：0.012 µF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：-
- Temperature Coefficient：X7R
- Ratings：-
- Height (Max)：0.051" (1.30mm)
- Thread Size：-
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Overview
The Knowles Syfer 1206J0250123MJTE07 is a surface-mount multilayer ceramic capacitor designed as a three-terminal EMI filter. It features a capacitance of 12 nF with a tolerance of ±20%, utilizing X7R dielectric material. The component operates at a DC voltage rating of 25 V and incorporates a FlexiCap structure with a nickel barrier for enhanced reliability. Packaged in the standard 1206 (3216 metric) footprint, it supports SMD/SMT mounting technologies.
Feature Summary
- Three-terminal architecture providing superior high-frequency noise attenuation compared to standard two-terminal designs.
- FlexiCap construction combined with a nickel barrier to improve mechanical robustness against thermal shock and cracking.
Applications
- High-frequency electromagnetic interference filtering in compact electronic circuits
- Power supply line conditioning for sensitive digital components
- Signal integrity protection in RF and communication modules
Procurement Notes
Verify the complete part number including suffixes to ensure correct termination and barrier specifications. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Cross-reference datasheet revisions to validate performance characteristics against current design requirements.
Selection Notes
Select this component when superior common-mode noise suppression is required in space-constrained layouts. The three-terminal design offers better isolation than standard capacitors. Ensure the PCB layout accommodates the specific ground terminal configuration inherent to EMI filter capacitors for optimal performance.
Part Context
This component belongs to the Knowles Syfer FlexiCap series, specialized for EMI suppression applications. It differs from standard MLCCs by integrating a dedicated ground terminal to shunt high-frequency noise effectively. The nickel barrier enhances durability during reflow soldering processes.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative three-terminal EMI filters based on capacitance, voltage rating, and physical footprint dimensions.
