Gowanda’s SMRF1512S-474K is a shielded epoxy-coated chip inductor designed for high reliability in demanding applications. This component, part of the SMRF1512S series, features a compact size with dimensions of 3.94 × 3.175 × 3.56 mm and a weight of 0.12 g, making it suitable for surface mount technology (SMT). It offers an inductance of 4700 µH with a direct current resistance (DCR) of 70 Ω and a current rating of 0.026 A DC. The inductor operates effectively within a frequency range, with a self-resonant frequency (SRF) of 1 MHz and a test frequency of 0.25 MHz, ensuring a minimum quality factor (Q MIN) of 75. It is built to withstand a dielectric withstanding voltage (DWV) of 200 to 500 volts and maintains performance across a wide operating temperature range from -55°C to +125°C. The component is compliant with RoHS standards, featuring gold termination finish and ferrite core material, and is packaged in tape and reel (T&R) format for efficient handling and installation.
| Weight | 0.12 g |
|---|---|
| Dimensions | 3.94 × 3.175 × 3.56 mm |
| Series | SMRF1512S |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 4700 |
| DCR (Ω) | 70 |
| Current Rating (A DC) | 0.026 |
| SRF (MHz) | 1 |
| Test Freq (MHz) | 0.25 |
| Q MIN | 75 |
| DWV | 200, 500 |
| Tolerance | ±10% |
| Termination Type | RoHS |
| Termination Finish | Au |
| Core | Ferrite |
| Shielded | Yes |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
Shielded Epoxy-Coated Chip Inductor , COTS M83446/11
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