Gowanda’s SMRF1010-391K is a surface mount epoxy coated chip inductor designed for high reliability in demanding applications. This component, part of the SMRF1010 series, is a COTS+ grade inductor with a compact size of 2.28 × 2.28 × 2.16 mm and a weight of just 0.05 g. It features an inductance of 3.9 µH, a DCR of 1.55 Ω, and a current rating of 0.25 A DC. The inductor operates effectively within a frequency range, with an SRF of 68 MHz and a test frequency of 7.9 MHz, while maintaining a Q MIN of 24. It is designed to withstand a dielectric withstanding voltage (DWV) of 500, 80 and operates reliably across a temperature range of -55°C to +125°C. The component is RoHS compliant with gold termination finish and is packaged in tape and reel (T&R) format, making it suitable for automated assembly processes.
| Weight | 0.05 g |
|---|---|
| Dimensions | 2.28 × 2.28 × 2.16 mm |
| Series | SMRF1010 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 3.9 |
| DCR (Ω) | 1.55 |
| Current Rating (A DC) | 0.25 |
| SRF (MHz) | 68 |
| Test Freq (MHz) | 7.9 |
| Q MIN | 24 |
| DWV | 500, 80 |
| Tolerance | ±10% |
| Termination Type | RoHS |
| Termination Finish | Au |
| Core | Phenolic |
| Shielded | No |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
Surface Mount Epoxy Coated Chip Inductor, COTS M83446/04
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