Description
FIXED IND 18UH 840MA 340 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for SDR0403-180ML.
SDR0403-180ML has an inductance value of 18 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.
SDR0403-180ML is rated for 840 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
SDR0403-180ML lists a DC resistance of 340mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
SDR0403-180ML 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 | 18 µH |
| Tolerance | ±20% |
| Current Rating | 840 mA |
| DC Resistance (DCR) | 340mOhm Max |
| Saturation Current | 1.3A |
| Operating Temperature | -40°C ~ 125°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 18UH 840MA 340 MOHM |
| Series | SDR0403 |
| Product Status | Active |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q @ Frequency | 25 @ 2.52MHz |
| Self Resonant Frequency | 23MHz |
| Inductance Test Frequency | 1 kHz |
| Mounting Type | Surface Mount |
| Height - Seated (Max) | 0.138" (3.50mm) |
