Gowanda’s SMRF1812-273MLF is a high-quality molded unshielded inductor designed for demanding applications, featuring a compact size with dimensions of 4.064 × 3 × 2.9 mm and a weight of 0.15 g. This inductor is part of the SMRF1812 series and is suitable for surface mount technology (SMT) with a COTS+ application grade. It offers an inductance of 270 µH, a direct current resistance (DCR) of 12 Ω, and a current rating of 0.129 A DC. The inductor operates within a frequency range of 0.79 MHz with a self-resonant frequency (SRF) of 4 MHz and a minimum quality factor (Q MIN) of 40. It has a tolerance of ±20% and features RoHS-compliant Sn100 termination finish. The core is made of ferrite, and it is designed to operate in temperatures ranging from -55°C to +125°C. The product is packaged in tape and reel (T&R) and is fungal inert, ensuring reliability and durability in various environments.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.064 × 3 × 2.9 mm |
| Series | SMRF1812 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 270 |
| DCR (Ω) | 12 |
| Current Rating (A DC) | 0.129 |
| SRF (MHz) | 4 |
| Test Freq (MHz) | 0.79 |
| Q MIN | 40 |
| Tolerance | ±20% |
| Termination Type | RoHS |
| Termination Finish | Sn100 |
| Core | Ferrite |
| Shielded | No |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | Yes |
Molded Unshielded Inductor, COTS M83446/39
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