Gowanda’s SMRF1812-331GLF is a high-quality molded unshielded inductor designed for demanding applications, adhering to COTS M83446/39 standards. Weighing just 0.15 grams and measuring 4.064 × 3 × 2.9 mm, this inductor is part of the SMRF1812 series and is suitable for surface mount technology (SMT). It features an inductance of 3.3 µH, a direct current resistance (DCR) of 0.8 Ω, and a current rating of 0.501 A DC. With a self-resonant frequency (SRF) of 45 MHz and a test frequency of 7.9 MHz, it ensures reliable performance with a minimum Q factor of 50 and a tolerance of ±2%. The inductor is RoHS compliant with a Sn100 termination finish and is built with a ferrite core. It operates efficiently in temperatures ranging from -55°C to +125°C and is packaged in tape and reel (T&R) format. Additionally, it is fungal inert, making it suitable for various environmental conditions.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.064 × 3 × 2.9 mm |
| Series | SMRF1812 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 3.3 |
| DCR (Ω) | 0.8 |
| Current Rating (A DC) | 0.501 |
| SRF (MHz) | 45 |
| Test Freq (MHz) | 7.9 |
| Q MIN | 50 |
| Tolerance | ±2% |
| 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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