Gowanda’s 121AT2503HM is a high-quality horizontal mount standoff toroidal choke, part of the ATHM series, designed for surface mount technology (SMT) applications. It features an inductance of 250 µH with a direct current resistance (DCR) of 0.16 Ω and a self-resonant frequency (SRF) of 0.9 MHz. The choke supports a current rating of 2.07 A DC and can handle incremental current levels of 2200 mA DC with a 10% inductance change and 3200 mA DC with a 20% change. It offers a tolerance of ±10% and operates efficiently within a temperature range of -55°C to +130°C. The component is terminated with Pb and finished with Sn63Pb37, ensuring reliable performance. With a moisture sensitivity level (MSL) of 1, it is packaged in bulk, making it suitable for various industrial applications.
| Weight | 12 g |
|---|---|
| Dimensions | 22.86 × 22.86 × 12.7 mm |
| Series | ATHM |
| Mounting Type | SMT |
| Inductance (µH) | 250 |
| DCR (Ω) | 0.16 |
| SRF (MHz) | 0.9 |
| Current Rating (A DC) | 2.07 |
| INC I L (Δ10% mA DC) | 2200 |
| INC I L (Δ20% mA DC) | 3200 |
| 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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