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Product Detailed Parameters
- Description：CAP FEEDTHRU 220PF 3KV AXIAL
- Series：SFJE
- Mfr：Knowles Syfer
- Package：Bulk
- Voltage - Rated：3000V (3kV)
- 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：220 pF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：12dB @ 100MHz
- Temperature Coefficient：C0G, NP0
- Ratings：-
- Height (Max)：-
- Thread Size：2001/4/28
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Overview
The SFJEL3K00221MC1 is a Knowles Syfer EMI feedthrough capacitor with a capacitance of 220 pF and a DC voltage rating of 3 kV. It utilizes C0G dielectric material and offers a tolerance of 20%. Designed for axial mounting, this component features an end seal construction suitable for flange installation. The unit supports a current rating of 15 A and operates within a temperature range of -55°C to +125°C.
Feature Summary
- Provides effective electromagnetic interference suppression through axial feedthrough architecture
- Maintains stable electrical performance across wide temperature variations using C0G dielectric
- Supports high current loads up to 15 A in shielded enclosure applications
Applications
- Shielded electronic enclosures requiring EMI filtering
- High-voltage power supply input stages
- Military and aerospace communication systems
Procurement Notes
Verify the specific suffix configuration against official datasheets to ensure correct termination and sealing characteristics. Confirm that the 3 kV rating aligns with system requirements. Check RoHS compliance status directly from manufacturer documentation before integration into regulated assemblies.
Selection Notes
Select this component when high-voltage isolation and EMI attenuation are required in compact axial forms. Ensure the 220 pF value meets circuit filtering needs without affecting signal integrity. Verify mechanical fit for flange mounting and confirm thermal stability requirements match the operating environment.
Part Context
This part belongs to the SFJE series of EMI feedthrough filters manufactured by Knowles Syfer. These components are designed for robust performance in demanding environments, offering reliable shielding and high voltage handling capabilities compared to standard surface mount capacitors.
Replacement Considerations
Direct substitutes include SFJEL3K00221MC0 or SFJNC3K00221MC1 if pinout and sealing methods are compatible. Verify dimensional compatibility and terminal type before substitution to maintain enclosure integrity.
