Gowanda’s 21M221G 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 THT-mounted component offers an inductance of 2.2 µH with a Q minimum of 40, tested at a frequency of 7.9 MHz. It boasts a DCR of 0.5 Ω, an SRF of 135 MHz, and a current rating of 0.68 A DC. The coil is constructed with a phenolic core and has a termination type of Pb with a Sn63Pb37 finish. It operates reliably within a temperature range of -55°C to +125°C, has a DWV of 1000, 200, and a tolerance of ±2%. The product is fungal inert, has an MSL of 1, and is available in tape and reel packaging.
| Weight | 1.7 g |
|---|---|
| Dimensions | 14.224 × 5.588 × 5.588 mm |
| Series | 21M |
| Mounting Type | THT |
| Application Grade | COTS |
| Inductance (µH) | 2.2 |
| Q MIN | 40 |
| Test Freq (MHz) | 7.9 |
| DCR (Ω) | 0.5 |
| SRF (MHz) | 135 |
| Current Rating (A DC) | 0.68 |
| DWV | 1000, 200 |
| Tolerance | ±2% |
| 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
