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| PartNumber | MDMK4040T1R0MM | MDMK4040T1R0MF | MDMK4040T1R0MFV |
| Description | Fixed Inductors 4040 1uH 36mOhms +/-20%Tol 4.5A HiCur | Fixed Inductors 4040 1uH 47mOhms +/-20%Tol 3.5A HiCur | Fixed Inductors 4040 1uH 47mOhms +/-20%Tol 3.5A Q200 |
| Manufacturer | Taiyo Yuden | Taiyo Yuden | Taiyo Yuden |
| Product Category | Fixed Inductors | Fixed Inductors | Fixed Inductors |
| RoHS | Y | Y | Y |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Shielding | Unshielded | Unshielded | Unshielded |
| Inductance | 1 uH | 1 uH | 1 uH |
| Tolerance | 20 % | 20 % | 20 % |
| Maximum DC Current | 4.5 A | 3.5 A | 3.5 A |
| Maximum DC Resistance | 36 mOhms | 47 mOhms | 47 mOhms |
| Self Resonant Frequency | - | - | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Termination | Standard | Standard | Standard |
| Mounting Style | PCB Mount | PCB Mount | PCB Mount |
| Package / Case | 1515 (4040 metric) | 1515 (4040 metric) | 1515 (4040 metric) |
| Application | Power | Power | Power |
| Series | MD | MD | MD |
| Packaging | Reel | Reel | Reel |
| Core Material | Metal | Metal | Metal |
| Product | Fixed Inductors | Fixed Inductors | Fixed Inductors |
| Brand | Taiyo Yuden | Taiyo Yuden | Taiyo Yuden |
| Case Code in | 1515 | 1515 | 1515 |
| Case Code mm | 4040 | 4040 | 4040 |
| Product Type | Fixed Inductors | Fixed Inductors | Fixed Inductors |
| Factory Pack Quantity | 1000 | 1000 | 1000 |
| Subcategory | Inductors, Chokes & Coils | Inductors, Chokes & Coils | Inductors, Chokes & Coils |
| Tradename | MCOIL | MCOIL | MCOIL |
| Unit Weight | 0.002258 oz | 0.002258 oz | 0.002258 oz |