Gowanda’s 28M121MLF is a high-quality, reliable molded unshielded RF coil designed for various applications, particularly in the COTS (Commercial Off-The-Shelf) category. This component weighs 2.65 grams and measures 22.86 × 7.137 × 7.137 mm, making it suitable for through-hole technology (THT) mounting. It features an inductance of 1.2 µH with a minimum Q factor of 60, tested at a frequency of 7.9 MHz. The coil has a direct current resistance (DCR) of 0.079 ohms and a self-resonant frequency (SRF) of 170 MHz, with a current rating of 2.4 A DC. It is designed to operate within a temperature range of -55°C to +105°C and has a dielectric withstanding voltage (DWV) of 1000, 200. The component is RoHS compliant with a Sn/Cu termination finish and is fungal inert, ensuring durability and reliability in various environments. It is packaged in tape and reel (T&R) format and has a moisture sensitivity level (MSL) of 1.
| Weight | 2.65 g |
|---|---|
| Dimensions | 22.86 × 7.137 × 7.137 mm |
| Series | 28M |
| Mounting Type | THT |
| Application Grade | COTS |
| Inductance (µH) | 1.2 |
| Q MIN | 60 |
| Test Freq (MHz) | 7.9 |
| DCR (Ω) | 0.079 |
| SRF (MHz) | 170 |
| Current Rating (A DC) | 2.4 |
| DWV | 1000, 200 |
| Tolerance | ±20% |
| 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
