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Product Detailed Parameters
- Description：CAP FEEDTHRU 0.022UF 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：0.022 µF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：46dB @ 100MHz
- Temperature Coefficient：X7R
- Ratings：-
- Height (Max)：-
- Thread Size：2001/4/28
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Overview
The SFJEC1K00223MX1 is an axial lead EMI feedthrough capacitor manufactured by Knowles Syfer. It features a capacitance of 0.022 µF with a voltage rating of 1 kVDC. The component utilizes X7R dielectric material and operates within a temperature range of -55°C to +125°C. Physical dimensions are specified as 9.80 mm in diameter and 9.40 mm in length. This part belongs to the SFJE series designed for high-reliability electromagnetic interference suppression applications.
Feature Summary
- Axial lead configuration for through-hole mounting
- High voltage rating of 1 kVDC for robust performance
- X7R ceramic dielectric for stable capacitance characteristics
Applications
- Electromagnetic interference (EMI) filtering in electronic circuits
- Power supply input/output stages requiring high-voltage isolation
- Military and aerospace systems demanding high reliability
Procurement Notes
Verify the specific datasheet revision and RoHS compliance status before procurement, as the product status is listed as obsolete in some sources. Confirm physical compatibility with existing board layouts due to the axial lead package dimensions. Ensure that the 1 kVDC rating meets the circuit requirements. Check for available replacement components if long-term supply is required.
Selection Notes
Select this component when axial mounting is preferred over surface mount options for high-voltage EMI filtering. The 0.022 µF value and 1 kVDC rating make it suitable for specific power line noise suppression tasks. Consider the X7R temperature coefficient for environments with moderate thermal variations. Evaluate alternative packages if space constraints or automated assembly processes require SMD solutions.
Part Context
This component is part of the Knowles Syfer SFJE series, which specializes in feedthrough capacitors for EMI suppression. The series offers various capacitance values and voltage ratings tailored for high-reliability applications. The SFJEC1K00223MX1 specifically addresses needs for axial leaded, high-voltage filtering in compact form factors.
Replacement Considerations
SFJEL1K00223MX1 is a similar model within the same series but may differ in specific mechanical or electrical tolerances. Verify pinout and dimensional compatibility before substitution. Consult official manufacturer documentation for cross-reference details.
