Gowanda’s 121AT7502HM 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 75 µH with a direct current resistance (DCR) of 0.045 Ω and a self-resonant frequency (SRF) of 2 MHz. The component supports a current rating of 3.9 A DC, with incremental current levels of 3900 mA DC for a 10% change and 5800 mA DC for a 20% change. It has a tolerance of ±10% and uses a Pb termination type with a Sn63Pb37 finish. The 121AT7502HM operates efficiently within a temperature range of -55°C to +130°C and is rated at moisture sensitivity level (MSL) 1, ensuring reliability in various environmental conditions. The component is packaged in bulk and weighs 12 grams, with dimensions of 22.86 × 22.86 × 12.7 mm.
| Weight | 12 g |
|---|---|
| Dimensions | 22.86 × 22.86 × 12.7 mm |
| Series | ATHM |
| Mounting Type | SMT |
| Inductance (µH) | 75 |
| DCR (Ω) | 0.045 |
| SRF (MHz) | 2 |
| Current Rating (A DC) | 3.9 |
| INC I L (Δ10% mA DC) | 3900 |
| INC I L (Δ20% mA DC) | 5800 |
| 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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