Description
FIXED IND 3.9UH 5A 28.9 MOHM SMD
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 78433490390.
78433490390 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.
78433490390 is rated for 5 A. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
78433490390 lists a DC resistance of 28.9mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
78433490390 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 | ±20% |
| Current Rating | 5 A |
| DC Resistance (DCR) | 28.9mOhm Max |
| Saturation Current | 14.6A |
| Operating Temperature | -55°C ~ 150°C |
| Dimensions | 0.319" L x 0.319" W (8.10mm x 8.10mm) |
| Case / Size | Nonstandard |
| Package / Case | Nonstandard |
| Supplier | Würth Elektronik |
| Description | FIXED IND 3.9UH 5A 28.9 MOHM SMD |
| Series | WE-CHSA Performance |
| Product Status | Active |
| Core Material | Iron Alloy |
| Shielding | Shielded |
| Self Resonant Frequency | 65MHz |
| Ratings | AEC-Q200 |
| Inductance Test Frequency | 100 kHz |
| Mounting Type | Surface Mount |
| Height - Seated (Max) | 0.366" (9.30mm) |
