Gowanda’s 121KM5002HM is a horizontal mount high efficiency standoff toroidal choke designed for demanding applications. This component, part of the KMHM series, features a compact size with dimensions of 22.86 × 22.86 × 12.7 mm and weighs 12 grams. It is suitable for surface mount technology (SMT) and is classified under COTS+ application grade, ensuring high reliability. The choke offers an inductance of 50 µH with a direct current resistance (DCR) of 0.03 Ω and a self-resonant frequency (SRF) of 2.5 MHz. It supports a current rating of 4.77 A DC, with incremental current levels of 2300 mA DC for a 10% inductance change and 4000 mA DC for a 20% change. The component has a tolerance of ±10% and features lead (Pb) termination with a Sn63Pb37 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 bulk packaging.
| Weight | 12 g |
|---|---|
| Dimensions | 22.86 × 22.86 × 12.7 mm |
| Series | KMHM |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 50 |
| DCR (Ω) | 0.03 |
| SRF (MHz) | 2.5 |
| Current Rating (A DC) | 4.77 |
| INC I L (Δ10% mA DC) | 2300 |
| INC I L (Δ20% mA DC) | 4000 |
| 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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