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| TYPE | DESCRIPTION |
| Manufacturer: | Littelfuse |
| Product Category: | Resettable Fuses - PPTC |
| RoHS: | Details |
| Series: | LR4 |
| Mounting Style: | PCB Mount |
| Termination Style: | SMD/SMT |
| Hold Current: | 4.5 A |
| Maximum Voltage: | 20 V |
| Trip Current: | 8.9 A |
| Current Rating - Max: | 100 A |
| Resistance: | 20 mOhms |
| Minimum Operating Temperature: | - 40 C |
| Maximum Operating Temperature: | + 85 C |
| Packaging: | Bulk |
| Brand: | Littelfuse |
| Height: | 1 mm |
| Length: | 26 mm |
| Pd - Power Dissipation: | 1.4 W |
| Product Type: | Resettable Fuses - PPTC |
| Factory Pack Quantity: Factory Pack Quantity: | 1000 |
| Subcategory: | PPTC Resettable Fuses |
| Tradename: | PolySwitch |
| Type: | PolySwitch Resettable Devices |
| Width: | 10.5 mm |
| Part # Aliases: | 177226-000 RF1542-000 |
| Unit Weight: | 0.014582 oz |
1
2.24
2.24
10
2.04
20.4
50
1.676
83.8
100
1.397
139.7
250
1.36
340
500
1.145
572.5
1000
1.015
1015
3000
0.998
2994
