Gowanda’s 28M181G is a high-quality molded unshielded RF coil designed for reliable performance in various electronic applications. Weighing 2.65 grams, this component features dimensions of 22.86 × 7.137 × 7.137 mm and is part of the 28M series. It is mounted using through-hole technology (THT) and is suitable for commercial off-the-shelf (COTS) applications. The coil offers an inductance of 1.8 µH with a minimum Q factor of 60, tested at a frequency of 7.9 MHz. It has a DC resistance of 0.135 ohms and a self-resonant frequency of 140 MHz, with a current rating of 1.75 A DC. The dielectric withstanding voltage is rated at 1000, 200, and it has a tolerance of ±2%. The termination type is lead-based with a Sn63Pb37 finish, and the core material is phenolic. This component is not shielded and operates within a temperature range of -55°C to +105°C. It has a moisture sensitivity level of 1 and is packaged in tape and reel (T&R) format. Additionally, it is fungal inert, ensuring durability 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) | 1.8 |
| Q MIN | 60 |
| Test Freq (MHz) | 7.9 |
| DCR (Ω) | 0.135 |
| SRF (MHz) | 140 |
| Current Rating (A DC) | 1.75 |
| DWV | 1000, 200 |
| Tolerance | ±2% |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Core | Phenolic |
| Shielded | No |
| Operating Temperature | -55°C to +105°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | Yes |
Molded Unshielded RF Coils
