Gowanda’s MLRF1812-471J is a high-quality, reliable molded unshielded chip inductor, qualified under M83446/39 standards. This component weighs 0.301 grams and measures 4.22 × 3 × 3 mm, making it suitable for space-constrained applications. It belongs to the MLRF1812 series and is designed for surface mount technology (SMT) with a QPL application grade. The inductor offers an inductance of 4.7 µH, a direct current resistance (DCR) of 1 Ω, and a current rating of 0.448 A DC. It features a self-resonant frequency (SRF) of 35 MHz and a test frequency of 7.9 MHz, with a minimum Q factor of 50. The dielectric withstanding voltage (DWV) is rated at 200, 80, and it has a tolerance of ±5%. The product level is M, with lead-based (Pb) termination and a Sn63Pb37 finish. The core is made of ferrite, and it is not shielded. It operates effectively in temperatures ranging from -55°C to +125°C and has a moisture sensitivity level (MSL) of 1. Packaged in tape and reel (T&R), it is also 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) | 4.7 |
| DCR (Ω) | 1 |
| Current Rating (A DC) | 0.448 |
| SRF (MHz) | 35 |
| 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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