Description
FIXED IND 0.4 H; 16.9 A; 3.8 M
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for 78438440200040.
78438440200040 has an inductance value of 400 nH. This value indicates how much magnetic energy the component can store and is one of the first parameters to compare when selecting an inductor.
78438440200040 is rated for 16.9 A. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
78438440200040 lists a DC resistance of 4.4mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
78438440200040 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 | 400 nH |
| Tolerance | ±30% |
| Current Rating | 16.9 A |
| DC Resistance (DCR) | 4.4mOhm Max |
| Saturation Current | 14.8A |
| Operating Temperature | -40°C ~ 125°C |
| Dimensions | 0.161" L x 0.161" W (4.10mm x 4.10mm) |
| Case / Size | Nonstandard |
| Package / Case | Nonstandard |
| Supplier | Würth Elektronik |
| Description | FIXED IND 0.4 H; 16.9 A; 3.8 M |
| Series | WE-MXGA |
| Product Status | Active |
| Type / Construction | Molded |
| Core Material | Iron Alloy |
| Shielding | Shielded |
| Self Resonant Frequency | 122MHz |
| Ratings | AEC-Q200 |
| Inductance Test Frequency | 100 kHz |
| Mounting Type | Surface Mount |
| Height - Seated (Max) | 0.083" (2.10mm) |
