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Product Detailed Parameters
- Description：SOLDER MOUNT HERMETIC EMI FILTER
- Series：SFSWG
- Mfr：Knowles Syfer
- Package：Bulk
- Voltage - Rated：500V
- Current：5:00 AM
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：Axial
- Size / Dimension：0.156" Dia x 0.110" L (3.96mm x 2.79mm)
- Capacitance：680 pF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：19dB @ 100MHz
- Temperature Coefficient：X7R
- Ratings：-
- Height (Max)：-
- Thread Size：-
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Overview
The Knowles Syfer SFSWG5000681MX0 is a flange-mounted feedthrough capacitor designed for EMI filtering. It features a 680 pF capacitance with a ±20% tolerance and utilizes an X7R dielectric material. The component supports a DC voltage rating of 500 VDC and handles a current rating of 5 A. Its cylindrical body measures 3.29 mm in length and 3.25 mm in diameter, terminating in solder connections. It operates within a temperature range of -55°C to +125°C and provides an insulation resistance of 10 GOhms.
Feature Summary
- Flange end seal construction for secure panel mounting
- C-Filter topology for effective electromagnetic interference suppression
- X7R ceramic dielectric for stable performance across operating temperatures
Applications
- High-frequency signal line filtering
- Power supply input/output decoupling
- RF circuit shielding and noise reduction
Procurement Notes
Verify the specific suffix MX0 against official datasheets to confirm packaging and terminal configuration details. Ensure compatibility with panel cutout dimensions matching the 3.25 mm diameter. Confirm RoHS compliance status through manufacturer documentation prior to integration into regulated assemblies.
Selection Notes
Select this component when high-current handling up to 5 A is required alongside low-capacitance filtering. The flange mount design simplifies installation in shielded enclosures. Verify that the X7R dielectric characteristics align with the thermal environment requirements of the target application circuit.
Part Context
This part belongs to the SFSWG series of feedthrough capacitors from Knowles Syfer. These components are engineered for robust EMI/RFI suppression in compact spaces. The series offers various capacitance values and voltage ratings while maintaining consistent physical dimensions for standardized mounting solutions.
Replacement Considerations
Consult official substitution guides for equivalent C-filter configurations. Verify that any alternative maintains the 500 VDC rating, 5 A current capacity, and compatible flange dimensions.
