Gowanda’s SMRF1812-332MLF is a high-quality, molded unshielded inductor designed for demanding applications, adhering to COTS M83446/39 standards. Weighing just 0.15 grams, it features compact dimensions of 4.064 × 3 × 2.9 mm and is suitable for surface mount technology (SMT). This inductor is part of the SMRF1812 series and is crafted for COTS+ application grades. It offers an inductance of 33 µH with a direct current resistance (DCR) of 4 Ω and a current rating of 0.224 A DC. The self-resonant frequency (SRF) is 11 MHz, tested at a frequency of 2.5 MHz, with a minimum quality factor (Q) of 50 and a tolerance of ±20%. The termination type is RoHS compliant with a Sn100 finish, and it utilizes a ferrite core. Operating efficiently in temperatures ranging from -55°C to +125°C, it has a moisture sensitivity level (MSL) of 1 and is packaged in tape and reel (T&R) format. Additionally, it is fungal inert, ensuring reliability in various environments.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.064 × 3 × 2.9 mm |
| Series | SMRF1812 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 33 |
| DCR (Ω) | 4 |
| Current Rating (A DC) | 0.224 |
| SRF (MHz) | 11 |
| Test Freq (MHz) | 2.5 |
| Q MIN | 50 |
| 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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