Gowanda’s 28M471KLF is a high-quality, reliable electronic component designed for demanding applications. This molded unshielded RF coil weighs 2.65 grams and measures 22.86 × 7.137 × 7.137 mm. Part of the 28M series, it features a through-hole mounting type and is suitable for commercial off-the-shelf (COTS) applications. With an inductance of 4.7 µH and a minimum Q factor of 60, it operates at a test frequency of 7.9 MHz. The coil has a DC resistance of 0.56 ohms and a self-resonant frequency of 90 MHz, supporting a current rating of 0.86 A DC. It is designed to withstand dielectric withstanding voltages of 1000 and 200, with a tolerance of ±10%. The component is RoHS compliant, with a Sn/Cu termination finish and a phenolic core. It is not shielded and operates within a temperature range of -55°C to +105°C. The moisture sensitivity level is rated at 1, and it is packaged in tape and reel format. Additionally, the component 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) | 4.7 |
| Q MIN | 60 |
| Test Freq (MHz) | 7.9 |
| DCR (Ω) | 0.56 |
| SRF (MHz) | 90 |
| Current Rating (A DC) | 0.86 |
| DWV | 1000, 200 |
| Tolerance | ±10% |
| 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
