Description
FIXED IND 3.9UH 680MA 660 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for CF4H1812-391G.
CF4H1812-391G has an inductance value of 3.9 µH. This value indicates how much magnetic energy the component can store and is one of the first parameters to compare when selecting an inductor.
CF4H1812-391G is rated for 680 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
CF4H1812-391G lists a DC resistance of 660mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
CF4H1812-391G uses a package or case of Nonstandard. Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 3.9 µH |
| Tolerance | ±2% |
| Current Rating | 680 mA |
| DC Resistance (DCR) | 660mOhm Max |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.199" L x 0.118" W (5.05mm x 3.00mm) |
| Case / Size | Nonstandard |
| Package / Case | Nonstandard |
| Supplier | Gowanda |
| Description | FIXED IND 3.9UH 680MA 660 MOHM |
| Series | CF4H1812 |
| Product Status | Active |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 55 @ 7.9MHz |
| Self Resonant Frequency | 140MHz |
| Inductance Test Frequency | 7.9 MHz |
| Mounting Type | Surface Mount |
| Height - Seated (Max) | 0.126" (3.20mm) |
