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Product Detailed Parameters
- Description：CAP FEEDTHRU 0.068UF 1KV AXIAL
- Series：SFJE
- Mfr：Knowles Syfer
- Package：Bulk
- Voltage - Rated：1000V (1kV)
- 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：0.068 µF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：55dB @ 100MHz
- Temperature Coefficient：X7R
- Ratings：-
- Height (Max)：-
- Thread Size：2001/4/28
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Overview
The Knowles Syfer SFJEL1K00683MX1 is an axial feedthrough capacitor with a capacitance of 0.068 µF and a DC voltage rating of 1000 V. It features a bushing mount style and supports a maximum current of 15 A. The component utilizes X7R dielectric material and operates within a temperature range of -55°C to +125°C. Physical dimensions are 9.80 mm in diameter by 9.40 mm in length.
Feature Summary
- Provides EMI suppression through axial feedthrough architecture
- Supports high continuous current handling capabilities
- Designed for robust mounting via integrated bushing interface
Applications
- High-voltage power supply filtering
- Industrial control system noise reduction
- Medical equipment signal integrity maintenance
Procurement Notes
Verify the specific manufacturing lot date code upon receipt, as this component is listed as obsolete. Confirm that the axial lead configuration and bushing mounting requirements align precisely with the existing chassis or panel cutouts. Ensure the 1000V rating remains sufficient for the target circuit's peak transient voltages to prevent dielectric breakdown during operation.
Selection Notes
Select this component when high-current filtering is required in a compact axial form factor. The X7R dielectric offers stable capacitance characteristics across the specified operating temperature range. Consider the physical envelope constraints carefully, as the bushing design dictates specific panel thickness and hole diameter requirements for proper installation and sealing.
Part Context
This part belongs to the SFJE series of EMI feedthrough filters from Knowles Syfer. These components are engineered for demanding environments requiring reliable noise attenuation in high-voltage applications. The series emphasizes durability and consistent performance under thermal stress, making it suitable for critical infrastructure and specialized electronic systems.
Replacement Considerations
Public confirmed substitute part numbers are not available for this obsolete component. Designers should evaluate equivalent axial feedthrough capacitors with matching 1000V ratings, 0.068 µF capacitance, and compatible bushing dimensions to ensure mechanical and electrical interchangeability.
