This is a Current Sensing Transformer, AEC-Q200, 1:40, 0.00036 ohm, 1.36 mH, 101.6 Vµs, 40 A, Surface Mount product from COILCRAFT with the model number CST2010-040LB
Product details
| Turns Ratio | 
1:40 | 
| DC Resistance | 
360µohm | 
| Inductance | 
1.36mH | 
| ET Constant | 
101.6Vµs | 
| Primary Current | 
40A | 
| Transformer Mounting | 
Surface Mount | 
| Product Range | 
CST2010 Series | 
Other details
| Brand | 
COILCRAFT | 
| Part Number | 
CST2010-040LB | 
| Quantity | 
Each (Supplied on Cut Tape) | 
| Technical Data Sheet EN | 
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