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Product Detailed Parameters
- Description：CAP FEEDTHRU 47PF 500V AXIAL
- Series：SFSTC
- Mfr：Knowles Syfer
- Package：Bulk
- Voltage - Rated：500V
- Current：10:00 AM
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：-
- Package / Case：Axial
- Size / Dimension：0.157" Dia x 0.110" L (4.00mm x 2.80mm)
- Capacitance：47 pF
- Tolerance：-20%, +80%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：1dB @ 100MHz
- Temperature Coefficient：C0G, NP0
- Ratings：-
- Height (Max)：-
- Thread Size：-
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Overview
The Knowles Syfer SFSTC5000470ZC0 is a C-Filter EMI feedthrough capacitor designed for high-frequency noise suppression. It features a capacitance of 47 pF with a tolerance of -20% to +80%, rated for 500 VDC. The component utilizes a C0G dielectric and supports a maximum DC current of 5 A. It operates within a temperature range of -55°C to +125°C. The physical dimensions are 3.29 mm in length and 3.25 mm in diameter, with solder termination and flange end seal construction.
Feature Summary
- Provides electromagnetic interference filtering through C-Filter topology
- Utilizes stable C0G dielectric material for consistent performance
- Features flange end seal construction for secure mounting
Applications
- High-frequency signal line filtering
- Power supply input/output noise suppression
- RF circuit interference mitigation
Procurement Notes
Verify the specific suffix ZC0 against official datasheets to confirm flange end seal configuration and tolerance specifications. Ensure compatibility with existing panel cutouts due to the 3.25 mm diameter requirement. Confirm RoHS compliance status through manufacturer documentation prior to integration into regulated assemblies.
Selection Notes
Select this component when low capacitance values are required for high-frequency attenuation without affecting DC bias conditions. The 500 VDC rating suits applications with moderate voltage swings. Consider the 5 A current limit for power line filtering tasks. The C0G dielectric ensures minimal capacitance drift over temperature variations compared to X7R alternatives.
Part Context
This part belongs to the SFST series of feedthrough capacitors from Knowles Syfer. The series offers various capacitance values and voltage ratings tailored for EMI suppression in compact form factors. The SFSTC variant specifically denotes the C-Filter topology with solder terminations, distinguishing it from T-filter or other topologies within the broader product family.
Replacement Considerations
Cross-reference with SFSWG5000470ZC0 for similar electrical characteristics but verify seal type differences. Check SFSWR5000470ZC0 for bottom end seal alternatives. Ensure mechanical fitment matches before substitution.
