Gowanda’s 18M121K is a high-quality molded unshielded RF coil designed for reliable performance in various electronic applications. Weighing 0.95 grams and measuring 11.125 × 4.775 × 4.775 mm, this component is part of the 18M series and features a through-hole technology (THT) mounting type. It is suitable for commercial off-the-shelf (COTS) applications, offering an inductance of 1.2 µH with a minimum Q factor of 30 at a test frequency of 7.9 MHz. The coil has a DC resistance of 0.4 ohms and a self-resonant frequency of 180 MHz, with a current rating of 0.785 A DC. It is designed to withstand a dielectric withstanding voltage (DWV) of 200 volts and operates within a temperature range of -55°C to +125°C. The component is lead-terminated with a Sn63Pb37 finish and features a phenolic core. It is packaged in tape and reel (T&R) format, has a moisture sensitivity level (MSL) of 1, and is fungal inert, ensuring durability and reliability in demanding environments.
| Weight | 0.95 g |
|---|---|
| Dimensions | 11.125 × 4.775 × 4.775 mm |
| Series | 18M |
| Mounting Type | THT |
| Application Grade | COTS |
| Inductance (µH) | 1.2 |
| Q MIN | 30 |
| Test Freq (MHz) | 7.9 |
| DCR (Ω) | 0.4 |
| SRF (MHz) | 180 |
| Current Rating (A DC) | 0.785 |
| DWV | 200 |
| Tolerance | ±10% |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Core | Phenolic |
| Shielded | No |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | Yes |
Molded Unshielded RF Coils
