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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：50V
- Current：1:00 AM
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：0805 (2012 Metric), 3 PC Pad
- Size / Dimension：0.079" L x 0.049" W (2.00mm x 1.25mm)
- Capacitance：0.039 µF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：-
- Temperature Coefficient：X7R
- Ratings：-
- Height (Max)：0.045" (1.15mm)
- Thread Size：-
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Overview
The Knowles Syfer 0805J0500393MXTE07 is a three-terminal EMI filter capacitor in an 0805 (2012 metric) surface-mount package. It features a capacitance of 39 pF with a voltage rating of 50 VDC and a tolerance of ±20%. The device utilizes X7R dielectric material and incorporates a nickel barrier with 100% tin terminations. Designed for high-frequency noise suppression, it supports a current rating of 1 A and operates within a temperature range of -55°C to +125°C.
Feature Summary
- Three-terminal architecture providing enhanced electromagnetic interference filtering capabilities
- Nickel barrier termination system ensuring reliable solderability and corrosion resistance
- X7R dielectric composition offering stable capacitance characteristics across operating temperatures
Applications
- High-frequency noise suppression in sensitive electronic circuits
- Electromagnetic interference filtering in communication equipment
- Signal integrity protection in data transmission lines
Procurement Notes
Verify the specific suffix MXTE07 against official Knowles Syfer documentation to confirm reel packaging and terminal specifications. Ensure compatibility with existing PCB footprints designed for three-terminal components. Cross-reference datasheet revisions to validate performance parameters before integration into production designs.
Selection Notes
Select this component when space-constrained EMI filtering is required in 0805 form factors. The three-terminal design offers superior high-frequency attenuation compared to standard two-terminal capacitors. Verify that the 50V DC rating meets circuit requirements and that X7R stability aligns with application thermal conditions.
Part Context
This part belongs to the Knowles Syfer MLCC family, specifically engineered for surface-mount applications. The 0805J series designation indicates a standard commercial-grade multilayer ceramic construction. As a three-terminal filter, it integrates shielding properties directly into the passive component structure for compact system designs.
Replacement Considerations
Confirm pinout compatibility for three-terminal configurations. Verify that substitute parts maintain identical footprint dimensions and electrical ratings. Check manufacturer datasheets for equivalent EMI filtering performance metrics.
