Gowanda’s SMRF1812-221G is a high-quality, molded unshielded inductor designed for COTS applications, adhering to the M83446/39 standard. This component is compact, with dimensions of 4.064 × 3 × 2.9 mm and a weight of 0.15 g, making it suitable for surface mount technology (SMT). It features an inductance of 2.2 µH, a direct current resistance (DCR) of 0.7 Ω, and a current rating of 0.535 A DC. The inductor operates effectively within a frequency range, with a self-resonant frequency (SRF) of 55 MHz and a test frequency of 7.9 MHz, maintaining a minimum quality factor (Q MIN) of 50. It offers a tight tolerance of ±2% and is constructed with a ferrite core. The component is lead-terminated with a Sn63Pb37 finish and is capable of operating in temperatures ranging from -55°C to +125°C. It is packaged in tape and reel (T&R) format, has a moisture sensitivity level (MSL) of 1, and is fungal inert, ensuring reliability and durability in various applications.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.064 × 3 × 2.9 mm |
| Series | SMRF1812 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 2.2 |
| DCR (Ω) | 0.7 |
| Current Rating (A DC) | 0.535 |
| SRF (MHz) | 55 |
| Test Freq (MHz) | 7.9 |
| Q MIN | 50 |
| Tolerance | ±2% |
| 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 |
Molded Unshielded Inductor, COTS M83446/39
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