| Model Number |
| RKEF250 |
SRP420F |
| Model Name |
| Littelfuse RKEF250 |
Littelfuse SRP420F |
| Category |
| Resettable Fuses |
Resettable Fuses |
| Brand |
| Littelfuse |
Littelfuse |
| Description |
| 60V 2.5A 40A 5A 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: |
| 0.001 grams / 0.000035 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 |
| 2.5A |
4.2A |
| Current Rating (Max) |
| 40A |
100A |
| Power Dissipation |
| 2.8W |
2.9W |
| Operating Temperature |
| -40℃~+85℃ |
-40℃~+85℃ |
| Trip Current |
| 5A |
7.6A |
| Resistance - Initial (Ri) (Min) |
| 40mΩ |
12mΩ |
| Maximum Time to Trip |
| 15.6s |
6s |
| Resistance - Post Trip (R1) (Max) |
| 140mΩ |
12mΩ |
