Gowanda’s MLRF1812-391J is a high-quality, reliable molded unshielded chip inductor that is M83446/39 qualified. It features a compact design with dimensions of 4.22 × 3 × 3 mm and a weight of 0.301 g, making it suitable for surface mount technology (SMT) applications. This inductor is part of the MLRF1812 series and is designed for QPL application grade, offering an inductance of 3.9 µH with a tolerance of ±5%. It has a direct current resistance (DCR) of 0.9 Ω and a current rating of 0.472 A DC. The inductor operates effectively within a frequency range, with a self-resonant frequency (SRF) of 40 MHz and a test frequency of 7.9 MHz, ensuring a minimum Q factor of 50. It is built with a ferrite core and features a lead-based termination type with a Sn63Pb37 finish. The product is designed to withstand operating temperatures from -55°C to +125°C and has a moisture sensitivity level (MSL) of 1. It is packaged in tape and reel (T&R) format and is fungal inert, ensuring durability and reliability in various environments.
| Weight | 0.301 g |
|---|---|
| Dimensions | 4.22 × 3 × 3 mm |
| Series | MLRF1812 |
| Mounting Type | SMT |
| Application Grade | QPL |
| Inductance (µH) | 3.9 |
| DCR (Ω) | 0.9 |
| Current Rating (A DC) | 0.472 |
| SRF (MHz) | 40 |
| Test Freq (MHz) | 7.9 |
| Q MIN | 50 |
| DWV | 200, 80 |
| Tolerance | ±5% |
| Product Level | M |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Core | Ferrite |
| Shielded | No |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | Yes |
M83446/39 Qualified Molded Unshielded Chip Inductor
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