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Product Detailed Parameters
- Description：CMC 17.99UH 2.5A 2LN TH
- Series：SU
- Mfr：KEMET
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：2.5A
- DC Resistance (DCR) (Max)：55mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-25°C ~ 120°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.669" L x 0.610" W (17.00mm x 15.50mm)
- Height (Max)：0.492" (12.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：17.99 µH @ 1 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SU9HD-25018 is a common mode choke filter designed for power line applications. It features an inductance of 17.99 µH at 1 kHz and supports a maximum current rating of 2.5 A. The component has a maximum DC resistance (DCR) of 55 mOhm and is rated for an AC voltage of 250 V. It utilizes proprietary 700L ferrite material to provide high-frequency noise suppression.
Feature Summary
- Utilizes proprietary 700L ferrite material for effective high-frequency noise countermeasures
- Designed as a two-line power line filter for common mode interference reduction
- Constructed with toroidal coils suitable for various noise mitigation fields
Applications
- Power line filtering
- High-frequency noise suppression
- General noise countermeasure applications
Procurement Notes
Verify the specific datasheet version and RoHS compliance status directly with KEMET or authorized distributors, as regulatory certifications can vary by production batch. Confirm that the 250V AC rating and 2.5A current handling meet your circuit requirements before procurement. Ensure the through-hole bobbin package style matches your PCB footprint design constraints.
Selection Notes
Select this component when designing circuits requiring common mode noise attenuation on power lines operating up to 250V AC. The 17.99 µH inductance value is optimized for specific frequency ranges defined by the 700L ferrite core characteristics. Consider the 55 mOhm DCR limit for thermal management and efficiency calculations in low-voltage, high-current scenarios.
Part Context
This part belongs to the KEMET SU-9HD series of common mode chokes. The series offers a wide variety of sizes and specifications utilizing proprietary ferrite cores. These components are engineered for robust performance in environments requiring reliable electromagnetic interference (EMI) filtration for power supply lines.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with equivalent inductance and current ratings from other manufacturers if cross-referencing is required.
