Gowanda’s ER18M221KR is a high-quality, reliable electronic component, specifically a M39010 Level-R Molded Unshielded Inductor. This component weighs 0.85 grams and measures 10.34 × 3.99 × 3.99 mm. It belongs to the ER18M series and features a Through-Hole Technology (THT) mounting type. Designed for QPL application grade, it offers an inductance of 2.2 µH with a direct current resistance (DCR) of 0.97 ohms and a current rating of 505 A DC. The inductor has a self-resonant frequency (SRF) of 140 MHz and is tested at a frequency of 7.9 MHz, with a minimum Q factor of 30. It supports a dielectric withstanding voltage (DWV) of 1000, 200 and has a tolerance of ±10%. The product is classified as Level R, Class 1, with a lead-based termination type and a Sn63Pb37 termination finish. It features a phenolic core and is not shielded, operating effectively within a temperature range of -55°C to +125°C. The component has a moisture sensitivity level (MSL) of 1 and 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) | 2.2 |
| DCR (Ω) | 0.97 |
| Current Rating (A DC) | 505 |
| SRF (MHz) | 140 |
| Test Freq (MHz) | 7.9 |
| Q MIN | 30 |
| DWV | 1000, 200 |
| Tolerance | ±10% |
| Product Level | R |
| Class | 1 |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Core | Phenolic |
| Shielded | No |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | No |
M39010 Level-R Molded Unshielded Inductor
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