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| PartNumber | 5TTP 1-R | 5TTP 1.25-R | 5TTP |
| Description | Cartridge Fuses | Cartridge Fuses | |
| Manufacturer | Bel | Bel | Bel Fuse Inc. |
| Product Category | Cartridge Fuses | Cartridge Fuses | Fuses |
| RoHS | Y | Y | - |
| Series | 5TTP | 5TTP | 5TTP |
| Product | Glass Fuse | Glass Fuse | - |
| Current Rating | 1 A | 1.25 A | 1A |
| Fuse Type | Time Delay / Slow Blow | Time Delay / Slow Blow | Cartridge, Glass |
| Fuse Size / Group | 5 mm x 20 mm | 5 mm x 20 mm | - |
| Voltage Rating AC | 250 VAC | 250 VAC | 250V |
| Interrupt Rating | 100 A at 250 VAC | 100 A at 250 VAC | - |
| Mounting Style | Board Mount | Board Mount | - |
| Termination Style | Axial | Axial | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Packaging | Bulk | Bulk | Bulk |
| Resistance | 258 mOhms | 179 mOhms | - |
| Body Style | Cylindrical Leaded | Cylindrical Leaded | - |
| Diameter | 5.5 mm | 5.5 mm | - |
| Indicator Style | Without Indicator | Without Indicator | - |
| Length | 21 mm | 21 mm | - |
| Brand | Bel Fuse | Bel Fuse | - |
| Product Type | Glass Tube | Glass Tube | - |
| Factory Pack Quantity | 1000 | 1000 | - |
| Subcategory | Fuses | Fuses | - |
| Part # Aliases | 0654R1000-33 | 0654R1250-33 | - |
| Unit Weight | 0.052911 oz | 0.052911 oz | - |
| Color | - | - | - |
| Package Case | - | - | 5mm x 20mm (Axial) |
| Operating Temperature | - | - | -55°C ~ 125°C |
| Mounting Type | - | - | Through Hole |
| Size Dimension | - | - | 0.217" Dia x 0.827" L (5.50mm x 21.00mm) |
| Voltage Rating DC | - | - | - |
| Response Time | - | - | Slow |
| Approvals | - | - | CE, CSA, PSE, UL |
| Breaking Capacity Rated Voltage | - | - | 100A |
| MeltingI2t | - | - | 8.6 |