Description
FIXED IND 7.4UH 2.3A 31 MOHM SMD
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for PM638S-7R4-RC.
PM638S-7R4-RC has an inductance value of 7.4 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.
PM638S-7R4-RC is rated for 2.3 A. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
PM638S-7R4-RC lists a DC resistance of 31mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
PM638S-7R4-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 | 7.4 µH |
| Tolerance | ±30% |
| Current Rating | 2.3 A |
| DC Resistance (DCR) | 31mOhm Max |
| Saturation Current | 2.55A |
| Operating Temperature | -40°C ~ 125°C |
| Dimensions | 0.268" L x 0.268" W (6.80mm x 6.80mm) |
| Case / Size | Nonstandard |
| Package / Case | Nonstandard |
| Supplier | Bourns Inc. |
| Description | FIXED IND 7.4UH 2.3A 31 MOHM SMD |
| Series | PM638S |
| Product Status | Active |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Ferrite |
| Shielding | Shielded |
| Q @ Frequency | 7.5 @ 7.96MHz |
| Self Resonant Frequency | 32.9MHz |
| Ratings | - |
| Inductance Test Frequency | 100 kHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | - |
| Height - Seated (Max) | 0.157" (4.00mm) |
| Features | - |
