Gowanda’s SMRF1812T-391K is a high-quality, reliable molded unshielded temperature stable inductor, designed for demanding applications. Weighing just 0.15 grams and measuring 4.2 × 3 × 2.9 mm, this inductor is part of the SMRF1812T series and features surface mount technology (SMT) for easy integration. It is classified as COTS+ application grade, offering an inductance of 3.9 µH with a DCR of 0.9 Ω and a current rating of 0.443 A DC. The inductor operates effectively within a frequency range, with an SRF of 42 MHz and a test frequency of 7.9 MHz, maintaining a Q MIN of 28. It has a tolerance of ±10% and uses a powdered iron core. The termination type is Pb with a Sn63Pb37 finish, and it is capable of operating in temperatures ranging from -55°C to +125°C. With an MSL of 1 and packaged in T&R, this inductor is also fungal inert, ensuring durability and reliability in various environments.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.2 × 3 × 2.9 mm |
| Series | SMRF1812T |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 3.9 |
| DCR (Ω) | 0.9 |
| Current Rating (A DC) | 0.443 |
| SRF (MHz) | 42 |
| Test Freq (MHz) | 7.9 |
| Q MIN | 28 |
| Tolerance | ±10% |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Core | Powdered Iron |
| Shielded | No |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | Yes |
Molded Unshielded Temperature Stable Inductor
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