Description
FIXED IND 3.9UH 487MA 840 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for S1812R-392H.
S1812R-392H 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.
S1812R-392H is rated for 487 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
S1812R-392H lists a DC resistance of 840mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
S1812R-392H uses a package or case of 1812 (4532 Metric). 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 | ±3% |
| Current Rating | 487 mA |
| DC Resistance (DCR) | 840mOhm Max |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.189" L x 0.134" W (4.80mm x 3.40mm) |
| Case / Size | 1812 (4532 Metric) |
| Package / Case | 1812 (4532 Metric) |
| Supplier | Delevan |
| Description | FIXED IND 3.9UH 487MA 840 MOHM |
| Series | S1812R |
| Product Status | Active |
| Core Material | Ferrite |
| Shielding | Shielded |
| Q @ Frequency | 40 @ 7.9MHz |
| Self Resonant Frequency | 56MHz |
| Inductance Test Frequency | 7.9 MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1812 (4532 Metric) |
| Height - Seated (Max) | 0.134" (3.40mm) |
| Features | https://www.digikey.com/en/products/detail/delevan/S1812R-392H/4188417 |