| Model Number |
| LR4-450F |
RKEF185 |
| Model Name |
| Littelfuse LR4-450F |
Littelfuse RKEF185 |
| Category |
| Resettable Fuses |
Resettable Fuses |
| Brand |
| Littelfuse |
Littelfuse |
| Description |
| 20V 4.5A 100A 8.9A - Resettable Fuses ROHS |
60V 1.85A 40A 3.7A Plugin Resettable Fuses ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 0.387 grams / 0.013651 oz |
0.600 grams / 0.021164 oz |
| Package / Case |
| - |
Plugin |
| Package / Arrange |
| Bag-packed |
Bag-packed |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
EAR99 |
| Operating Voltage (Max) |
| 20V |
60V |
| Hold Current |
| 4.5A |
1.85A |
| Current Rating (Max) |
| 100A |
40A |
| Operating Temperature |
| -40℃~+85℃ |
-40℃~+85℃ |
| Trip Current |
| 8.9A |
3.7A |
| Resistance - Initial (Ri) (Min) |
| 11mΩ |
60mΩ |
| Maximum Time to Trip |
| 5s |
12.6s |
| Resistance - Post Trip (R1) (Max) |
| 28mΩ |
250mΩ |
