Gowanda’s 21M821J is a high-quality, reliable molded unshielded RF coil, part of the Series 21M, designed for COTS application grades. With a weight of 1.7 grams and dimensions of 14.224 × 5.588 × 5.588 mm, it features a THT mounting type and offers an inductance of 8.2 µH with a Q MIN of 35. The coil operates at a test frequency of 7.9 MHz, with a DCR of 0.22 Ω and an SRF of 44 MHz. It supports a current rating of 0.68 A DC and a dielectric withstanding voltage of 1000, 200. The component has a tolerance of ±5% and uses a Pb termination type with a Sn63Pb37 finish. Constructed with a powdered iron core, it is not shielded and operates within a temperature range of -55°C to +105°C. The product is MSL 1 rated, packaged in T&R, and is fungal inert.
| 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 | ±5% |
| 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
