Gowanda’s 21M681G is a high-quality molded unshielded RF coil designed for COTS applications, featuring a compact size with dimensions of 14.224 × 5.588 × 5.588 mm and a weight of 1.7 g. This component offers an inductance of 6.8 µH with a Q minimum of 35, tested at a frequency of 7.9 MHz. It has a DCR of 0.2 Ω and an SRF of 50 MHz, supporting a current rating of 0.71 A DC. The coil is constructed with a powdered iron core and is not shielded, with a termination type of Pb and a finish of Sn63Pb37. It is suitable for through-hole technology (THT) mounting and operates within a temperature range of -55°C to +105°C. The 21M681G is packaged in tape and reel (T&R), is fungal inert, and has a moisture sensitivity level (MSL) of 1, ensuring reliability and durability in various electronic applications.
| Weight | 1.7 g |
|---|---|
| Dimensions | 14.224 × 5.588 × 5.588 mm |
| Series | 21M |
| Mounting Type | THT |
| Application Grade | COTS |
| Inductance (µH) | 6.8 |
| Q MIN | 35 |
| Test Freq (MHz) | 7.9 |
| DCR (Ω) | 0.2 |
| SRF (MHz) | 50 |
| Current Rating (A DC) | 0.71 |
| DWV | 1000, 200 |
| Tolerance | ±2% |
| 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 | Yes |
Molded Unshielded RF Coils
