Gowanda’s MLRF28M391K is a M15305 qualified molded unshielded coil inductor, known for its high quality and reliability. This component weighs 3.9 grams and measures 22.23 × 6.35 × 6.35 mm, belonging to the MLRF28M series. It features a through-hole technology (THT) mounting type and is suitable for QPL application grades. The inductor has an inductance of 3.9 µH, a direct current resistance (DCR) of 0.45 Ω, and a current rating of 0.955 A DC. It operates with a self-resonant frequency (SRF) of 95 MHz and a test frequency of 7.9 MHz, with a minimum quality factor (Q MIN) of 60. The dielectric withstanding voltage (DWV) is rated at 1000, 200, with a tolerance of ±10%. The product level is M, with lead (Pb) termination type and a Sn63Pb37 termination finish. The core is made of phenolic material, and it is not shielded. It operates within a temperature range of -55°C to +125°C, has a moisture sensitivity level (MSL) of 1, and is packaged in tape and reel (T&R). Additionally, it is fungal inert, ensuring durability in various environments.
| Weight | 3.9 g |
|---|---|
| Dimensions | 22.23 × 6.35 × 6.35 mm |
| Series | MLRF28M |
| Mounting Type | THT |
| Application Grade | QPL |
| Inductance (µH) | 3.9 |
| DCR (Ω) | 0.45 |
| Current Rating (A DC) | 0.955 |
| SRF (MHz) | 95 |
| Test Freq (MHz) | 7.9 |
| Q MIN | 60 |
| DWV | 1000, 200 |
| Tolerance | ±10% |
| Product Level | M |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Core | Phenolic |
| Shielded | No |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | Yes |
M15305 Qualified Molded Unshielded Coil Inductor
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