Description
FIXED IND 120UH 180MA 2.39 OHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for PM42S-121.
PM42S-121 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 is rated for 180 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
PM42S-121 lists a DC resistance of 2.39Ohm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
PM42S-121 uses a package or case of Nonstandard. Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
Explore Related Datasheet Paths
Continue from PM42S-121 to manufacturer, series, and broader datasheet collections.
Alternative Solutions
Compare possible alternatives with similar specifications. Verify every electrical and mechanical requirement before use.
Product Attributes
| Inductance | 120 µH |
| Tolerance | ±30% |
| Current Rating | 180 mA |
| DC Resistance (DCR) | 2.39Ohm Max |
| Operating Temperature | -30°C ~ 100°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 180MA 2.39 OHM |
| Series | PM42S |
| Product Status | Obsolete |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Shielded |
| Inductance Test Frequency | 10 kHz |
| Mounting Type | Surface Mount |
| Height - Seated (Max) | 0.079" (2.00mm) |
