Gowanda’s 121KM7502SMLF is a high-quality wirewound toroidal inductor designed for demanding electronic applications. With a weight of 14.5 grams and compact dimensions of 23.88 × 23.88 × 12.95 mm, this inductor is part of the KMSM series and features a surface-mount technology (SMT) mounting type. It is classified under the COTS+ application grade, ensuring reliability in commercial off-the-shelf applications. The inductor offers an inductance of 75 µH, a direct current resistance (DCR) of 0.045 Ω, and a self-resonant frequency (SRF) of 3 MHz. It supports a current rating of 3.9 A DC, with incremental current levels of 1800 mA DC for a 10% change and 3100 mA DC for a 20% change. The component has a tolerance of ±10% and features RoHS-compliant terminations with a Sn/Cu finish. It operates efficiently across a wide temperature range from -55°C to +130°C, has a moisture sensitivity level (MSL) of 1, and is available in tape and reel (T&R) packaging for ease of use in automated assembly processes.
| Weight | 14.5 g |
|---|---|
| Dimensions | 23.88 × 23.88 × 12.95 mm |
| Series | KMSM |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 75 |
| DCR (Ω) | 0.045 |
| SRF (MHz) | 3 |
| Current Rating (A DC) | 3.9 |
| INC I L (Δ10% mA DC) | 1800 |
| INC I L (Δ20% mA DC) | 3100 |
| Tolerance | ±10% |
| Termination Type | RoHS |
| Termination Finish | Sn/Cu |
| Operating Temperature | -55°C to +130°C |
| MSL | 1 |
| Packaging | T&R |
Wirewound Toroidal Inductor
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