| Model Number |
| TRF250-055UT |
SRP420F |
| Model Name |
| Littelfuse TRF250-055UT |
Littelfuse SRP420F |
| Category |
| Resettable Fuses |
Resettable Fuses |
| Brand |
| Littelfuse |
Littelfuse |
| Description |
| 60V 55mA 3A 170mA Plugin Resettable Fuses ROHS |
30V 4.2A 100A 7.6A - Resettable Fuses ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 0.387 grams / 0.013651 oz |
0.454 grams / 0.016014 oz |
| Package / Case |
| Plugin |
- |
| Package / Arrange |
| Bag-packed |
Bag-packed |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
EAR99 |
| Operating Voltage (Max) |
| 60V |
30V |
| Hold Current |
| 55mA |
4.2A |
| Current Rating (Max) |
| 3A |
100A |
| Trip Current |
| 170mA |
7.6A |
| Operating Temperature |
| -40℃~+85℃ |
-40℃~+85℃ |
| Resistance - Initial (Ri) (Min) |
| 15Ω |
12mΩ |
| Maximum Time to Trip |
| 5s |
6s |
| Resistance - Post Trip (R1) (Max) |
| 35Ω |
12mΩ |
