Gowanda’s 121KM1503HM 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 150 µH with a direct current resistance (DCR) of 0.095 ohms. The choke operates at a self-resonant frequency (SRF) of 1 MHz and supports a current rating of 2.68 A DC. It can handle incremental current levels of 1300 mA DC with a 10% inductance change and 2200 mA DC with a 20% change. The component features a tolerance of ±10% and uses Pb termination with a Sn63Pb37 finish. It is designed to operate in temperatures ranging 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) | 150 |
| DCR (Ω) | 0.095 |
| SRF (MHz) | 1 |
| Current Rating (A DC) | 2.68 |
| INC I L (Δ10% mA DC) | 1300 |
| INC I L (Δ20% mA DC) | 2200 |
| 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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