Gowanda’s 121AT2502HM is a high-quality horizontal mount standoff toroidal choke, part of the ATHM series, designed for surface mount technology (SMT) applications. It features a compact design with dimensions of 22.86 × 22.86 × 12.7 mm and weighs 12 grams. This component offers an inductance of 25 µH with a direct current resistance (DCR) of 0.017 Ω and a self-resonant frequency (SRF) of 5 MHz. It supports a current rating of 6.34 A DC, with incremental current levels of 7000 mA DC for a 10% inductance change and 10500 mA DC for a 20% change. The choke has a tolerance of ±10% and operates efficiently within a temperature range of -55°C to +130°C. It features a Pb termination type with a Sn63Pb37 finish and is packaged in bulk, boasting a moisture sensitivity level (MSL) of 1.
| Weight | 12 g |
|---|---|
| Dimensions | 22.86 × 22.86 × 12.7 mm |
| Series | ATHM |
| Mounting Type | SMT |
| Inductance (µH) | 25 |
| DCR (Ω) | 0.017 |
| SRF (MHz) | 5 |
| Current Rating (A DC) | 6.34 |
| INC I L (Δ10% mA DC) | 7000 |
| INC I L (Δ20% mA DC) | 10500 |
| Tolerance | ±10% |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Operating Temperature | -55°C to +130°C |
| MSL | 1 |
| Packaging | Bulk |
Horizontal Mount Standoff Toroidal Choke
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