Gowanda’s SMRF1812S-471K is a molded shielded inductor designed for high reliability and performance in electronic applications. With a compact size of 4.2 × 3 × 2.9 mm and a weight of 0.15 g, it is suitable for surface mount technology (SMT) installations. This inductor features an inductance of 4.7 µH, a direct current resistance (DCR) of 0.312 Ω, and a current rating of 0.8 A DC, with a saturation current of 0.582 A DC. It operates effectively within a frequency range, boasting a self-resonant frequency (SRF) of 35 MHz and a test frequency of 7.9 MHz, with a minimum Q factor of 40. The SMRF1812S series is crafted with a ferrite core and is shielded to minimize electromagnetic interference. It is built to withstand extreme temperatures, operating between -55°C and +125°C, and is classified as moisture sensitivity level (MSL) 1. The inductor is packaged in tape and reel (T&R) format, ensuring ease of handling and assembly, and is fungal inert, making it suitable for various demanding environments. The termination type is lead-based (Pb) with a finish of Sn63Pb37, and it adheres to COTS+ application grade standards, ensuring high quality and reliability.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.2 × 3 × 2.9 mm |
| Series | SMRF1812S |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 4.7 |
| DCR (Ω) | 0.312 |
| Current Rating (A DC) | 0.8 |
| Saturation Current (A DC) | 0.582 |
| SRF (MHz) | 35 |
| Test Freq (MHz) | 7.9 |
| Q MIN | 40 |
| Tolerance | ±10% |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Core | Ferrite |
| Shielded | Yes |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | Yes |
Molded Shielded Inductor
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