Gowanda’s ER18M431JR is a high-quality, reliable electronic component from their M39010 Level-R Molded Unshielded Inductor series. This inductor weighs 0.85 grams and measures 10.34 × 3.99 × 3.99 mm, designed for through-hole technology (THT) mounting. It is QPL application grade with an inductance of 4.3 µH, a direct current resistance (DCR) of 0.21 Ω, and a current rating of 745 A DC. The self-resonant frequency (SRF) is 60 MHz, with a test frequency of 7.9 MHz and a minimum quality factor (Q MIN) of 30. It has a dielectric withstanding voltage (DWV) of 1000, 200, and a tolerance of ±5%. The product is classified as Level R, Class 1, with a lead-based termination type and a Sn63Pb37 termination finish. It features a powdered iron core, is not shielded, and operates within a temperature range of -55°C to +105°C. The moisture sensitivity level (MSL) is 1, and it is packaged in tape and reel (T&R) format, though it is not fungal inert.
| Weight | 0.85 g |
|---|---|
| Dimensions | 10.34 × 3.99 × 3.99 mm |
| Series | ER18M |
| Mounting Type | THT |
| Application Grade | QPL |
| Inductance (µH) | 4.3 |
| DCR (Ω) | 0.21 |
| Current Rating (A DC) | 745 |
| SRF (MHz) | 60 |
| Test Freq (MHz) | 7.9 |
| Q MIN | 30 |
| DWV | 1000, 200 |
| Tolerance | ±5% |
| Product Level | R |
| Class | 1 |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Core | Powdered Iron |
| Shielded | No |
| Operating Temperature | -55°C to +105°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | No |
M39010 Level-R Molded Unshielded Inductor
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