Gowanda’s 121AT1003SM is a wirewound toroidal inductor designed for high reliability and performance in electronic applications. With a weight of 14.5 grams and dimensions of 23.88 × 23.88 × 12.95 mm, this component is part of the ATSM series and features surface mount technology (SMT) for ease of integration. It is classified as COTS+ application grade, offering an inductance of 100 µH with a direct current resistance (DCR) of 0.065 ohms and a self-resonant frequency (SRF) of 2 MHz. The inductor supports a current rating of 3.24 A DC, with incremental current limits of 3400 mA DC for a 10% inductance change and 5200 mA DC for a 20% change. It has a tolerance of ±10% and uses a Pb termination type with a Sn63Pb37 finish. The component operates within a temperature range of -55°C to +130°C, has a moisture sensitivity level (MSL) of 1, and is available in tape and reel (T&R) packaging.
| Weight | 14.5 g |
|---|---|
| Dimensions | 23.88 × 23.88 × 12.95 mm |
| Series | ATSM |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 100 |
| DCR (Ω) | 0.065 |
| SRF (MHz) | 2 |
| Current Rating (A DC) | 3.24 |
| INC I L (Δ10% mA DC) | 3400 |
| INC I L (Δ20% mA DC) | 5200 |
| Tolerance | ±10% |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Operating Temperature | -55°C to +130°C |
| MSL | 1 |
| Packaging | T&R |
Wirewound Toroidal Inductor
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