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Gowanda’s SMRF1512-221KS is an unshielded epoxy-coated chip inductor designed for high reliability in demanding applications. This COTS M83446/10 component weighs 0.12 grams and measures 3.94 × 3.175 × 3.56 mm, making it suitable for surface mount technology (SMT). It features an inductance of 2.2 µH, a direct current resistance (DCR) of 0.9 Ω, and a current rating of 0.23 A DC. With a self-resonant frequency (SRF) of 80 MHz and a test frequency of 7.9 MHz, it offers a minimum quality factor (Q) of 65 and a tolerance of ±10%. The inductor is constructed with a powdered iron core and has a termination type that is Pb, RoHS compliant, with a finish of Sn63Pb37 or SnCu. It operates effectively within a temperature range of -55°C to +125°C and has a moisture sensitivity level (MSL) of 1, packaged in tape and reel (T&R) format.
| Weight | 0.12 g |
|---|---|
| Dimensions | 3.94 × 3.175 × 3.56 mm |
| Series | SMRF1512 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 2.2 |
| DCR (Ω) | 0.9 |
| Current Rating (A DC) | 0.23 |
| SRF (MHz) | 80 |
| Test Freq (MHz) | 7.9 |
| Q MIN | 65 |
| Tolerance | ±10% |
| Termination Type | Pb, RoHS |
| Termination Finish | Sn63Pb37, SnCu |
| Core | Powdered Iron |
| Shielded | No |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
Unshielded Epoxy-Coated Chip Inductor , COTS M83446/10
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