Description
FIXED IND 39UH 520MA 587 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for PM43-390K.
PM43-390K has an inductance value of 39 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.
PM43-390K is rated for 520 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
PM43-390K lists a DC resistance of 587mOhm. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
PM43-390K 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 | 39 µH |
| Tolerance | ±10% |
| Current Rating | 520 mA |
| DC Resistance (DCR) | 587mOhm |
| Operating Temperature | -40°C ~ 100°C |
| Dimensions | 0.177" L x 0.157" W (4.50mm x 4.00mm) |
| Case / Size | Nonstandard |
| Package / Case | Nonstandard |
| Supplier | Bourns Inc. |
| Description | FIXED IND 39UH 520MA 587 MOHM |
| Series | PM43 |
| Product Status | Obsolete |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Self Resonant Frequency | 18MHz |
| Inductance Test Frequency | 2.52 MHz |
| Mounting Type | Surface Mount |
| Height - Seated (Max) | 0.138" (3.50mm) |
