Description
FIXED IND 3.9UH 50MA 800 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for CS321613-3R9K.
CS321613-3R9K 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.
CS321613-3R9K is rated for 50 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
CS321613-3R9K lists a DC resistance of 800mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
CS321613-3R9K uses a package or case of 1206 (3216 Metric). 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 | ±10% |
| Current Rating | 50 mA |
| DC Resistance (DCR) | 800mOhm Max |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.126" L x 0.063" W (3.20mm x 1.60mm) |
| Case / Size | 1206 (3216 Metric) |
| Package / Case | 1206 (3216 Metric) |
| Supplier | Bourns Inc. |
| Description | FIXED IND 3.9UH 50MA 800 MOHM |
| Series | CS321613 |
| Product Status | Obsolete |
| Type / Construction | Multilayer |
| Core Material | Ferrite |
| Shielding | Shielded |
| Q @ Frequency | 85 @ 10MHz |
| Self Resonant Frequency | 38MHz |
| Inductance Test Frequency | 10 MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1206 (3216 Metric) |
| Height - Seated (Max) | 0.059" (1.50mm) |
