Gowanda’s SMRF1812S-273M is a molded shielded inductor designed for high reliability in electronic applications. Weighing 0.15 grams and measuring 4.2 × 3 × 2.9 mm, this inductor is part of the SMRF1812S series and features surface mount technology (SMT) for ease of integration. It is classified as COTS+ grade, ensuring suitability for commercial off-the-shelf applications. With an inductance of 270 µH, a direct current resistance (DCR) of 8.39 Ω, and a current rating of 0.154 A DC, it is optimized for performance. The inductor also boasts a saturation current of 0.064 A DC and a self-resonant frequency (SRF) of 4 MHz, tested at 0.79 MHz with a minimum Q factor of 40. It offers a tolerance of ±20% and features lead-based terminations with a Sn63Pb37 finish. Constructed with a ferrite core and shielded for enhanced performance, it operates within a temperature range of -55°C to +125°C and has a moisture sensitivity level (MSL) of 1. Packaged in tape and reel (T&R) format, it is also fungal inert, making it a robust choice for demanding environments.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.2 × 3 × 2.9 mm |
| Series | SMRF1812S |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 270 |
| DCR (Ω) | 8.39 |
| Current Rating (A DC) | 0.154 |
| Saturation Current (A DC) | 0.064 |
| SRF (MHz) | 4 |
| Test Freq (MHz) | 0.79 |
| Q MIN | 40 |
| Tolerance | ±20% |
| 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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