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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：50V
- Current：50 mA
- 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：0.039 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 1206J0500393MJTE03 is a three-terminal feedthrough capacitor with a capacitance of 0.039 µF and a DC voltage rating of 50 VDC. It features a ±20% tolerance and utilizes X7R dielectric material. The component operates within a temperature range of -55°C to +125°C. It is housed in a 1206 (3216 metric) surface-mount package with dimensions of 3.2 mm length, 1.6 mm width, and 1.30 mm height. This device belongs to the FlexiCap series and is designed for integrated surface mount EMI filtering applications.
Feature Summary
- Three-terminal feedthrough architecture providing integrated EMI filtering capabilities
- Flexible terminal design compatible with board-flex sensitive environments
- X7R ceramic dielectric ensuring stable performance across wide temperature ranges
Applications
- EMI suppression in high-density surface mount circuits
- Power line filtering for sensitive electronic components
- Signal integrity protection in communication modules
Procurement Notes
Verify the specific suffix JE03 against official datasheets to confirm terminal flexibility and packaging details. Ensure compatibility with automated pick-and-place equipment due to the 1206 form factor. Cross-reference RoHS compliance status with current manufacturer declarations before final procurement integration.
Selection Notes
Select this component when space-constrained EMI filtering is required in 1206 footprints. The three-terminal design offers superior high-frequency attenuation compared to standard two-terminal capacitors. Consider the X7R dielectric characteristics for applications requiring moderate capacitance stability over varying temperatures.
Part Context
This part belongs to the Knowles Syfer FlexiCap family, which specializes in flexible termination MLCCs. The 1206J series denotes specific dimensional and electrical characteristics within the broader portfolio of surface mount feedthrough capacitors designed for robust electromagnetic interference mitigation.
Replacement Considerations
Official substitutes include other variants within the 1206J0500393MXTE03 series with differing tolerances or packaging options. Verify pinout compatibility and electrical ratings before substituting with generic three-terminal capacitors.
