Description
FIXED IND 3.9UH 344MA 590 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for ISC1812ER3R9J.
ISC1812ER3R9J 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.
ISC1812ER3R9J is rated for 344 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
ISC1812ER3R9J lists a DC resistance of 590mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
ISC1812ER3R9J 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 | ±5% |
| Current Rating | 344 mA |
| DC Resistance (DCR) | 590mOhm Max |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.177" L x 0.126" W (4.50mm x 3.20mm) |
| Case / Size | 1812 (4532 Metric) |
| Package / Case | 1812 (4532 Metric) |
| Supplier | Vishay Dale |
| Description | FIXED IND 3.9UH 344MA 590 MOHM |
| Series | ISC-1812 |
| Product Status | Active |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Iron Powder |
| Shielding | Shielded |
| Q @ Frequency | 30 @ 7.96MHz |
| Self Resonant Frequency | 56MHz |
| Inductance Test Frequency | 7.96 MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1812 |
| Height - Seated (Max) | 0.134" (3.40mm) |
