| Model Number |
| TRF250-055UT |
72R040XU |
| Model Name |
| Littelfuse TRF250-055UT |
Littelfuse 72R040XU |
| Category |
| Resettable Fuses |
Resettable Fuses |
| Brand |
| Littelfuse |
Littelfuse |
| Description |
| 60V 55mA 3A 170mA Plugin Resettable Fuses ROHS |
72V 400mA 40A 800mA Plugin Resettable Fuses ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 0.387 grams / 0.013651 oz |
0.387 grams / 0.013651 oz |
| Package / Case |
| Plugin |
Plugin |
| Package / Arrange |
| Bag-packed |
Tape & Reel (TR) |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
EAR99 |
| Operating Voltage (Max) |
| 60V |
72V |
| Hold Current |
| 55mA |
400mA |
| Current Rating (Max) |
| 3A |
40A |
| Trip Current |
| 170mA |
800mA |
| Operating Temperature |
| -40℃~+85℃ |
-40℃~+85℃ |
| Resistance - Initial (Ri) (Min) |
| 15Ω |
550mΩ |
| Maximum Time to Trip |
| 5s |
3.8s |
| Resistance - Post Trip (R1) (Max) |
| 35Ω |
1.29Ω |
