Gowanda’s 121KM7502HM is a horizontally mounted, high-efficiency standoff toroidal choke designed for demanding applications. Weighing 12 grams and measuring 22.86 × 22.86 × 12.7 mm, this component is part of the KMHM series and is suitable for surface mount technology (SMT). It is crafted for COTS+ application grade, offering an inductance of 75 µH with a direct current resistance (DCR) of 0.045 Ω and a self-resonant frequency (SRF) of 2 MHz. The choke supports a current rating of 3.9 A DC, with incremental current limits of 1800 mA DC for a 10% change and 3100 mA DC for a 20% change. It features a tolerance of ±10% and utilizes Pb termination with a Sn63Pb37 finish. Designed to operate in temperatures ranging from -55°C to +130°C, it has a moisture sensitivity level (MSL) of 1 and is available in bulk packaging.
| Weight | 12 g |
|---|---|
| Dimensions | 22.86 × 22.86 × 12.7 mm |
| Series | KMHM |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 75 |
| DCR (Ω) | 0.045 |
| SRF (MHz) | 2 |
| Current Rating (A DC) | 3.9 |
| INC I L (Δ10% mA DC) | 1800 |
| INC I L (Δ20% mA DC) | 3100 |
| Tolerance | ±10% |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Operating Temperature | -55°C to +130°C |
| MSL | 1 |
| Packaging | Bulk |
Horizontal Mount High Efficiency Standoff Toroidal Choke
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