Description
FIXED IND 250UH 3.5A 88 MOHM TH
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for PTKM250R-59.
PTKM250R-59 has an inductance value of 250 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.
PTKM250R-59 is rated for 3.5 A. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
PTKM250R-59 lists a DC resistance of 88mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
PTKM250R-59 uses a package or case of Radial, Vertical (Open). Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 250 µH |
| Tolerance | ±10% |
| Current Rating | 3.5 A |
| DC Resistance (DCR) | 88mOhm Max |
| Saturation Current | 1.5A |
| Dimensions | 1.150" Dia x 0.475" W (29.21mm x 12.06mm) |
| Case / Size | Radial, Vertical (Open) |
| Package / Case | Radial, Vertical (Open) |
| Supplier | Delevan |
| Description | FIXED IND 250UH 3.5A 88 MOHM TH |
| Series | PTKMR |
| Product Status | Active |
| Type / Construction | Toroidal |
| Core Material | Ferrite |
| Shielding | Shielded |
| Self Resonant Frequency | 1MHz |
| Inductance Test Frequency | 1 kHz |
| Mounting Type | Through Hole |
| Features | https://www.digikey.com/en/products/detail/delevan/PTKM250R-59/4199511 |