3.9µH, 1.98A, 0403 Power Indcutor, Non - Shielded Inductor
SR04033R9ML
Non-Shielded SMD Power Inductor, General Grade
3.9uH, 1.98A 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 Category | Power Inductor - Non - Shielded Inductor | Inductance (µH) | 3.9 |
| Part Number | SR04033R9ML | Tolerance | ±20% |
| Grade | General | RDC (Ω) | 0.076 |
| Length (mm) | 4.5 | IDC (A) | 1.98 |
| Width (mm) | 4 | Operating temp.°C (LOW) | -40 |
| Height (mm) | 3.2 | Operating temp.°C (HIGH) | 125 |
- Download
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 loss and improve efficiency in compact DC/DC converter designs?
The SR04033R9ML's ultra-low DC resistance of 0.076Ω combined with high saturation current ratings minimizes power dissipation and heat generation in your converter circuits. Our non-shielded design optimizes magnetic efficiency while maintaining compact 0403 form factor, allowing you to achieve superior power density in consumer electronics without sacrificing thermal performance. Let ABC ATEC's 45 years of inductor expertise help you design more efficient, cost-effective power solutions.
This non-shielded SMD power inductor is specifically optimized for DC/DC converters and consumer electronics applications where efficiency and compact form factor are critical. The open magnetic circuit structure minimizes electromagnetic interference while maximizing current-handling capabilities, delivering superior performance without the space overhead of shielded alternatives. With ±20% inductance tolerance and proven reliability in high-volume production environments, the SR04033R9ML represents ABC ATEC's commitment to delivering customized solutions that meet demanding industry standards. Contact our engineering team today to explore how this precision inductor can enhance your power conversion designs and accelerate your product development timeline.










