Gowanda’s 28M821GLF is a high-quality, reliable molded unshielded RF coil designed for various applications, particularly in the COTS (Commercial Off-The-Shelf) sector. This component features a compact design with dimensions of 22.86 × 7.137 × 7.137 mm and a weight of 2.65 g, making it suitable for through-hole technology (THT) mounting. It offers an inductance of 8.2 µH with a Q minimum of 60, tested at a frequency of 7.9 MHz. The coil has a direct current resistance (DCR) of 1.4 Ω and a self-resonant frequency (SRF) of 68 MHz, supporting a current rating of 0.55 A DC. It is built with a phenolic core and is RoHS compliant, featuring a Sn/Cu termination finish. The component is designed to operate within a temperature range of -55°C to +105°C and is packaged in tape and reel (T&R) format. Additionally, it is fungal inert, ensuring durability and reliability in various environments.
| Weight | 2.65 g |
|---|---|
| Dimensions | 22.86 × 7.137 × 7.137 mm |
| Series | 28M |
| Mounting Type | THT |
| Application Grade | COTS |
| Inductance (µH) | 8.2 |
| Q MIN | 60 |
| Test Freq (MHz) | 7.9 |
| DCR (Ω) | 1.4 |
| SRF (MHz) | 68 |
| Current Rating (A DC) | 0.55 |
| DWV | 1000, 200 |
| Tolerance | ±2% |
| Termination Type | RoHS |
| Termination Finish | Sn/Cu |
| Core | Phenolic |
| Shielded | No |
| Operating Temperature | -55°C to +105°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | Yes |
Molded Unshielded RF Coils
