Gowanda’s 21M821MLF is a high-quality molded unshielded RF coil designed for reliable performance in various applications. Weighing 1.7 grams, this component features dimensions of 14.224 × 5.588 × 5.588 mm and is part of the 21M series. It is suitable for through-hole technology (THT) mounting and is classified under COTS application grade. The coil offers an inductance of 8.2 µH with a minimum Q factor of 35, tested at a frequency of 7.9 MHz. It has a DC resistance of 0.22 ohms and a self-resonant frequency of 44 MHz, with a current rating of 0.68 A DC. The dielectric withstanding voltage is rated at 1000, 200, and it has a tolerance of ±20%. The termination type is RoHS compliant with a Sn/Cu finish, and it utilizes a powdered iron core. Operating within a temperature range of -55°C to +105°C, the component is MSL 1 rated and comes in tape and reel packaging. Additionally, it is fungal inert, ensuring durability and reliability in various environments.
| Weight | 1.7 g |
|---|---|
| Dimensions | 14.224 × 5.588 × 5.588 mm |
| Series | 21M |
| Mounting Type | THT |
| Application Grade | COTS |
| Inductance (µH) | 8.2 |
| Q MIN | 35 |
| Test Freq (MHz) | 7.9 |
| DCR (Ω) | 0.22 |
| SRF (MHz) | 44 |
| Current Rating (A DC) | 0.68 |
| DWV | 1000, 200 |
| Tolerance | ±20% |
| Termination Type | RoHS |
| Termination Finish | Sn/Cu |
| Core | Powdered Iron |
| Shielded | No |
| Operating Temperature | -55°C to +105°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | Yes |
Molded Unshielded RF Coils
