Professional Non-Shielded SMD Power Inductor for DC/DC Converter Applications

High-Performance 39µH Power Inductor with Low DC Resistance and Compact 0403 Form Factor

39µH, 0.59A, 0403 Power Indcutor, Non - Shielded Inductor - High Inductance Non-Shielded SMD Power Inductor
  • 39µH, 0.59A, 0403 Power Indcutor, Non - Shielded Inductor - High Inductance Non-Shielded SMD Power Inductor

39µH, 0.59A, 0403 Power Indcutor, Non - Shielded Inductor

SR0403390KL

Non-Shielded SMD Power Inductor, General Grade

39uH, 0.59A 0403 Non-Shielded Power Inductor SR series is designed with copper wire winding on high performance ferrite drum core, offering low DC resistance and higher current rating, available for small or median product size (From 0302 to 1006) and is deal for DC / DC converters and consumer electronics applications.

Product Features
  • Open magnetic circuit structure
  • Low DCR
  • High saturation current ratings
  • Operating temp.: -40°C ~ +125°C (including self-temperature rise)
Product Applications
  • DC / DC converters
  • Consumer electronics
Product CategoryPower Inductor - Non - Shielded InductorInductance (µH)39
Part NumberSR0403390KLTolerance±10%
GradeGeneralRDC (Ω)0.587
Length (mm)4.5IDC (A)0.59
Width (mm)4Operating temp.°C (LOW)-40
Height (mm)3.2Operating temp.°C (HIGH)125
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Non - Shielded Inductor SR0403 Series Datasheet
Non - Shielded Inductor SR0403 Series Datasheet

Include dimensions, electrical characteristics and curve diagrams for your reference

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How can you reduce power losses and improve efficiency in your DC/DC converter designs while maintaining compact form factors?

ABC ATEC's SR0403390KL non-shielded power inductor delivers ultra-low DC resistance (0.587Ω) and high saturation current (0.59A) in a compact 0403 package, enabling superior power conversion efficiency with minimal heat generation. Our ferrite drum core design with copper wire winding ensures reliable performance across -40°C to +125°C operating range, perfect for demanding converter applications. Request a technical consultation to optimize your power management circuit design.

ABC ATEC's 45 years of specialized expertise in inductor design and manufacturing ensures this power inductor meets the highest quality standards with IATF16949 certification. The SR series non-shielded inductor is specifically optimized for power conversion applications where space constraints and thermal efficiency are critical. Whether you're developing next-generation consumer electronics, portable power solutions, or industrial control systems, this low-DCR inductor provides the reliability and performance your designs demand. Contact ABC ATEC today to discuss customization options and volume pricing for your DC/DC converter projects.