Description
FIXED IND 120UH 330MA 1.95 OHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for PM42S-121-RC.
PM42S-121-RC has an inductance value of 120 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.
PM42S-121-RC is rated for 330 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
PM42S-121-RC lists a DC resistance of 1.95Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
PM42S-121-RC 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 | 120 µH |
| Tolerance | ±30% |
| Current Rating | 330 mA |
| DC Resistance (DCR) | 1.95Ohm Max |
| Saturation Current | 280mA |
| Operating Temperature | -40°C ~ 125°C |
| Dimensions | 0.189" L x 0.189" W (4.80mm x 4.80mm) |
| Case / Size | Nonstandard |
| Package / Case | Nonstandard |
| Supplier | Bourns Inc. |
| Description | FIXED IND 120UH 330MA 1.95 OHM |
| Series | PM42S |
| Product Status | Active |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Shielded |
| Q @ Frequency | 11 @ 796kHz |
| Self Resonant Frequency | 10MHz |
| Inductance Test Frequency | 100 kHz |
| Mounting Type | Surface Mount |
| Height - Seated (Max) | 0.118" (3.00mm) |
