Gowanda’s CF4H1812-821M is a high-performance ferrite surface mount chip inductor designed for demanding electronic applications. Weighing just 0.12 grams and measuring 4.8 × 2.7 × 2.9 mm, this component is part of the CF4H1812 series and features a surface mount technology (SMT) for easy integration. It offers an inductance of 8.2 µH with a minimum Q factor of 60 at a test frequency of 7.9 MHz. The inductor has a direct current resistance (DCR) of 1.3 ohms and a self-resonant frequency (SRF) of 105 MHz, supporting a current rating of 0.485 A DC. With a tolerance of ±20%, it is RoHS compliant, featuring copper termination and a ferrite core. Although not shielded, it operates efficiently across a temperature range of -55°C to +125°C and is rated at moisture sensitivity level 1. Packaged in tape and reel (T&R) format, it is also fungal inert, ensuring reliability in various environments.
| Weight | 0.12 g |
|---|---|
| Dimensions | 4.8 × 2.7 × 2.9 mm |
| Series | CF4H1812 |
| Mounting Type | SMT |
| Inductance (µH) | 8.2 |
| Q MIN | 60 |
| Test Freq (MHz) | 7.9 |
| DCR (Ω) | 1.3 |
| SRF (MHz) | 105 |
| Current Rating (A DC) | 0.485 |
| Tolerance | ±20% |
| Termination Type | RoHS |
| Termination Finish | Cu |
| Core | Ferrite |
| Shielded | No |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | Yes |
Ferrite High Performance Surface Mount Chip Inductor
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