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| PartNumber | 1971400000 | 19714000001 | 1971400043 |
| Description | Cartridge Fuses | Cartridge Fuses | |
| Manufacturer | Littelfuse | Littelfuse | - |
| Product Category | Cartridge Fuses | Cartridge Fuses | - |
| RoHS | N | N | - |
| Series | 197 | 197 | - |
| Product | Glass Fuse | Glass Fuse | - |
| Current Rating | 4 A | 4 A | - |
| Fuse Type | Medium / Normal Blow | Medium / Normal Blow | - |
| Fuse Size / Group | 5 mm x 20 mm | 5 mm x 20 mm | - |
| Voltage Rating AC | 125 VAC | 125 VAC | - |
| Mounting Style | Holder / Clip | Holder / Clip | - |
| Termination Style | Clip | Clip | - |
| Minimum Operating Temperature | - 25 C | - 25 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Body Style | Cylindrical | Cylindrical | - |
| Diameter | 5.2 mm | 5.2 mm | - |
| Indicator Style | Without Indicator | Without Indicator | - |
| Length | 20 mm | 20 mm | - |
| Brand | Littelfuse | Littelfuse | - |
| Product Type | Glass Fuse | Glass Fuse | - |
| Subcategory | Fuses | Fuses | - |
| Unit Weight | 0.052911 oz | 0.038801 oz | - |
| Interrupt Rating | - | 10 kA at 125 VAC | - |
| Factory Pack Quantity | - | 1000 | - |