The SPQ2618B series high-current power inductor adopts flat wire winding technology and a magnetic shielding structure, specifically designed for high-efficiency DC-DC converters.
This power inductor features ultra-low DC resistance and high current carrying capability, significantly reducing conduction losses and improving overall power conversion efficiency. The magnetic shielding design effectively suppresses electromagnetic radiation noise, making it suitable for noise-sensitive environments.
The inductance range spans 1.0 μH to 10.0 μH, with an operating temperature range of -40°C to +125°C. It is designed with AEC-Q200 automotive-grade potential, making it suitable for demanding applications such as automotive electronics, industrial control systems, and high-performance computing power supplies where high current and high efficiency are required.
High current capability – Isat up to 125A (10% drop)
Ultra-low DCR – As low as 0.48mΩ
Magnetically shielded – Low radiation noise
Flat wire technology – High current density, superior thermal performance
Inductance range – 1.0µH to 10.0µH
Operating temperature – -40°C to +125°C
SRF – Up to 35MHz+
| Parameter | Specification |
|---|---|
| Inductance Range | 1.0 µH to 10.0 µH (±10% tolerance at 500kHz / 0.1V) |
| DC Resistance (DCR Max) | 0.48 mΩ to 0.97 mΩ |
| Saturation Current (Isat typ.) | Up to 125A (for 10% drop) |
| Temperature Rise Current (Irms typ.) | 24A to 86A (for 40°C rise) |
| SRF (Self-Resonant Frequency) | 1 MHz to over 35 MHz |
Q: What are the main advantages of the SPQ2618B series inductors?
A: The SPQ2618B series uses flat wire winding technology and a magnetic shielding structure. It features ultra-low DCR (0.48 mΩ) and a saturation current up to 125 A, reducing conduction losses while effectively suppressing radiated noise. It is ideal for high power-density DC-DC converters.
Q: Is this inductor suitable for high-frequency applications?
A: Yes. The SPQ2618B series has a self-resonant frequency (SRF) of up to 35 MHz or higher, making it suitable for medium-to-high frequency DC-DC converters with typical operating frequencies of 500 kHz to 2 MHz.