Description
FIXED IND 4.7UH 2.2A 144.1 MOHM
Specifications
Parameter Guide
Understand the key electrical and mechanical specifications for SPM4020T-4R7M.
SPM4020T-4R7M has an inductance value of 4.7 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.
SPM4020T-4R7M is rated for 2.2 A. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.
SPM4020T-4R7M lists a DC resistance of 144.1mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.
SPM4020T-4R7M 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 | 4.7 µH |
| Tolerance | ±20% |
| Current Rating | 2.2 A |
| DC Resistance (DCR) | 144.1mOhm Max |
| Saturation Current | 2.6A |
| Operating Temperature | -40°C ~ 125°C |
| Dimensions | 0.173" L x 0.161" W (4.40mm x 4.10mm) |
| Case / Size | Nonstandard |
| Package / Case | Nonstandard |
| Supplier | TDK |
| Description | FIXED IND 4.7UH 2.2A 144.1 MOHM |
| Series | SPM |
| Product Status | Obsolete |
| Type / Construction | Drum Core, Wirewound |
| Core Material | Metal |
| Shielding | Shielded |
| Q @ Frequency | - |
| Self Resonant Frequency | - |
| Ratings | - |
| Inductance Test Frequency | 100 kHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | - |
| Height - Seated (Max) | 0.079" (2.00mm) |
| Features | - |
