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Product Detailed Parameters
- Description：CAP FEEDTHRU 2.2UF 20% 50V AXIAL
- Series：SFJE
- Mfr：Knowles Syfer
- Package：Bulk
- Voltage - Rated：50V
- Current：15 A
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：-
- Package / Case：Axial, Bushing
- Size / Dimension：0.386" Dia x 0.370" L (9.80mm x 9.40mm)
- Capacitance：2.2 µF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：-
- Temperature Coefficient：X7R
- Ratings：-
- Height (Max)：-
- Thread Size：2001/4/28
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Overview
The Knowles Syfer SFJEL0500225MX1 is an EMI feedthrough filter capacitor designed for axial lead termination. It features a capacitance of 2.2 µF with a tolerance of ±20% and a DC voltage rating of 50 VDC. The component utilizes X7R dielectric material, ensuring stable performance across a wide operating temperature range from -55°C to +125°C. This C-filter type device provides effective electromagnetic interference suppression in compact axial configurations suitable for through-hole mounting applications.
Feature Summary
- Provides electromagnetic interference filtering via integrated capacitor architecture
- Utilizes X7R ceramic dielectric for reliable high-temperature operation
- Features axial lead termination for standard through-hole PCB integration
Applications
- Electromagnetic interference suppression in electronic circuits
- Power supply line filtering
- Signal line noise reduction
Procurement Notes
Verify the specific datasheet version for the SFJEL0500225MX1 to confirm exact mechanical dimensions and terminal plating specifications. Ensure compatibility with the target assembly process regarding axial lead forming and soldering temperatures. Cross-reference the 50V rating against peak transient voltages in the application circuit to prevent dielectric breakdown during operation.
Selection Notes
Select this component when axial form factor constraints exist alongside moderate capacitance requirements. The 50V rating suits low-voltage DC lines. Compare against SFSWR series variants if higher voltage ratings or different sealing styles are required. Verify that the 2.2µF value aligns with the targeted frequency attenuation characteristics for the specific noise profile encountered.
Part Context
This part belongs to the Knowles Syfer SFJE series of EMI feedthrough filters. These components integrate capacitor functionality within a single axial package, offering space-saving alternatives to discrete component arrangements. The series targets applications requiring robust noise filtration in constrained physical spaces without sacrificing electrical performance standards.
Replacement Considerations
Direct substitutes require matching 2.2µF capacitance, 50V DC rating, and axial lead configuration. Verify equivalent X7R dielectric properties and thermal stability ranges. Consult manufacturer cross-reference lists for verified alternative part numbers before implementation.
