SDRH4D18/4D28 Series Up to 2.56A for DC-DC Converters and Automotive Systems
The SDRH4D18/4D28 series magnetic shielded SMD power inductor uses a magnetic shield structure and square flat package design. It effectively reduces EMI and is suitable for high-density PCB layouts and space-constrained applications. High current capacity is up to 2.56A. Low DCR ensures high conversion efficiency. The product offers excellent mechanical strength, high reliability, and excellent solderability, ensuring long-term reliable operation under various working conditions. It is widely used in video recorders, laptops, DC-DC converters, video digital cameras, communication systems, automotive power systems, and LCD/PDP TVs.
- Magnetically Shielded Structure
- Low DC Resistance
- Large current up to 2.56A
- Excellent Mechanical Strength
- High Reliability and Excellent Solderability
- Low and square Profile
- High heat resistance
- Video recorders (VCRs) / Video recorder (VCR) power supplies
- Laptops / Notebook / Laptop motherboard power supply
- DC-DC converters / DC-DC converter modules
- Video digital cameras / Video digital camera power supplies
- Communication systems / Communication system power supplies
- Automotive power systems / Automotive Systems Power supplier
- LCD/PDP TVs / LCD/PDP TV power supplies
- Portable electronic devices
- Inductor Testing: HP4284A (Equivalent acceptable)
- DCR: QuadTech 1880 Milliohmmeter
- IDCMax current is decreased 10% against its initial value
- Operating temperature: -40℃ to +105℃
- Storage Temperature: -40℃ to +105℃
Note: Product specifications can be customized. Custom inductance values are available.
Q: What are the advantages of the magnetic shield structure?
A: The magnetic shield structure uses a closed magnetic circuit design to confine magnetic flux inside the core. It effectively reduces leakage flux and electromagnetic interference to nearby sensitive circuits. In high-density PCB layouts suchs as communication equipment and automotive electronics, shielded inductors significantly improve system EMC performance.
Q: What is the significance of excellent mechanical strength and high reliability?
A: Excellent mechanical strength ensures the inductor is less likely to be damaged during PCB assembly and transportation. High reliability design ensures long-term stable operation under various harsh conditions, reducing maintenance and replacement costs.
Q: How long is the delivery time and what packaging methods are used?
A: The standard lead time is 2-8 weeks after order confirmation, depending on product specifications and order quantity. Products are securely packed with cartons, foam, pallets, wrapping film, and fixing straps to ensure safe international transportation.
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