This is a 
UP4B-470-R Power Inductor (SMD) , UNI-PAC�, 47 µH, 3.1 A, Unshielded, 5.2 A, UP4B, 22.1mm x 15mm x 7.87mm product from EATON COILTRONICS with the model number UP4B-470-R
Other details
| Brand | 
EATON COILTRONICS | 
| Part Number | 
 UP4B-470-R | 
| Quantity | 
Each (Supplied on Cut Tape) | 
| Technical Data Sheet EN | 
  | 
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