Gowanda’s SMRF1812S-821J is a high-quality molded shielded inductor designed for reliability in demanding applications. Weighing just 0.15 grams, it features compact dimensions of 4.2 × 3 × 2.9 mm and is part of the SMRF1812S series. This surface-mount technology (SMT) component is suitable for COTS+ grade applications, offering an inductance of 8.2 µH with a tolerance of ±5%. It has a direct current resistance (DCR) of 0.43 Ω and a current rating of 0.681 A DC, with a saturation current of 0.43 A DC. The inductor operates effectively within a frequency range, with a self-resonant frequency (SRF) of 25 MHz and a test frequency of 7.9 MHz, maintaining a minimum Q factor of 40. Constructed with a ferrite core and shielded for enhanced performance, it is capable of operating in temperatures ranging from -55°C to +125°C. The component is MSL 1 rated, ensuring high reliability, and is packaged in tape and reel (T&R) format. It features lead (Pb) termination with a Sn63Pb37 finish and is fungal inert, making it suitable for a variety of electronic applications.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.2 × 3 × 2.9 mm |
| Series | SMRF1812S |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 8.2 |
| DCR (Ω) | 0.43 |
| Current Rating (A DC) | 0.681 |
| Saturation Current (A DC) | 0.43 |
| SRF (MHz) | 25 |
| Test Freq (MHz) | 7.9 |
| Q MIN | 40 |
| Tolerance | ±5% |
| 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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