Gowanda’s SM3-181H is a molded unshielded temperature stable inductor designed for high reliability in electronic applications. Weighing just 0.05 grams, it features compact dimensions of 2.98 × 2.29 × 2.18 mm and is part of the SM3 series. This surface-mount technology (SMT) component is graded as COTS+ for commercial off-the-shelf applications. It offers an inductance of 1.8 µH with a direct current resistance (DCR) of 0.7 Ω and a current rating of 0.544 A DC. The inductor operates at a self-resonant frequency (SRF) of 70 MHz, tested at 4 MHz, with a tolerance of ±3%. It uses a powdered iron core and has a termination type of Pb with a Sn63Pb37 finish. The SM3-181H is designed to function in a wide temperature range from -55°C to +125°C, has a moisture sensitivity level (MSL) of 1, and is packaged in tape and reel (T&R) format. Additionally, it is fungal inert, ensuring durability in various environments.
| Weight | 0.05 g |
|---|---|
| Dimensions | 2.98 × 2.29 × 2.18 mm |
| Series | SM3 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 1.8 |
| DCR (Ω) | 0.7 |
| Current Rating (A DC) | 0.544 |
| SRF (MHz) | 70 |
| Test Freq (MHz) | 4 |
| Tolerance | ±3% |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Core | Powdered Iron |
| Shielded | No |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | Yes |
Molded Unshielded Temperature Stable Inductor
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