Gowanda’s 28M391JLF is a high-quality, reliable electronic component designed for demanding applications. This molded unshielded RF coil, part of the 28M series, features a compact design with dimensions of 22.86 × 7.137 × 7.137 mm and a weight of 2.65 g. It is tailored for COTS application grade and offers an inductance of 3.9 µH with a Q minimum of 60. The coil operates at a test frequency of 7.9 MHz, with a DCR of 0.45 Ω and an SRF of 95 MHz. It supports a current rating of 0.995 A DC and a dielectric withstanding voltage of 1000, 200. The component is RoHS compliant with Sn/Cu termination finish and is designed for through-hole technology (THT) mounting. Its phenolic core and fungal inert properties ensure durability and reliability across a wide operating temperature range of -55°C to +105°C. The product 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) | 3.9 |
| Q MIN | 60 |
| Test Freq (MHz) | 7.9 |
| DCR (Ω) | 0.45 |
| SRF (MHz) | 95 |
| Current Rating (A DC) | 0.995 |
| DWV | 1000, 200 |
| Tolerance | ±5% |
| 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
