Description
FIXED IND 390NH 450MA 450 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for PM40-R39M.
PM40-R39M has an inductance value of 390 nH. This value indicates how much magnetic energy the component can store and is one of the first parameters to compare when selecting an inductor.
PM40-R39M is rated for 450 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
PM40-R39M lists a DC resistance of 450mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
PM40-R39M uses a package or case of 1812 (4532 Metric). Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.
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Product Attributes
| Inductance | 390 nH |
| Tolerance | ±20% |
| Current Rating | 450 mA |
| DC Resistance (DCR) | 450mOhm Max |
| Operating Temperature | -55°C ~ 125°C |
| Dimensions | 0.177" L x 0.126" W (4.50mm x 3.20mm) |
| Case / Size | 1812 (4532 Metric) |
| Package / Case | 1812 (4532 Metric) |
| Supplier | Bourns Inc. |
| Description | FIXED IND 390NH 450MA 450 MOHM |
| Series | PM40 |
| Product Status | Obsolete |
| Type / Construction | Molded |
| Core Material | Non-Magnetic |
| Shielding | Unshielded |
| Q @ Frequency | 30 @ 25.2MHz |
| Self Resonant Frequency | 350MHz |
| Inductance Test Frequency | 25.2 MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | 1812 |
| Height - Seated (Max) | 0.126" (3.20mm) |
