| PartNumber | 5HT 1.25-R | 5HT 1.6-R | 5HT 1-R |
| Description | Cartridge Fuses | Cartridge Fuses | Cartridge Fuses |
| Manufacturer | Bel Fuse Inc. | Bel Fuse Inc. | Bel Fuse Inc. |
| Product Category | Fuses | Fuses | Fuses |
| Color | - | - | - |
| Series | 5HT | 5HT | 5HT |
| Packaging | Bulk | Bulk | Bulk |
| Current Rating | 1.25A | 1.6A | 1A |
| Package Case | 5mm x 20mm | 5mm x 20mm | 5mm x 20mm |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Holder | Holder | Holder |
| Size Dimension | 0.201" Dia x 0.787" L (5.10mm x 20.00mm) | 0.201" Dia x 0.787" L (5.10mm x 20.00mm) | 0.201" Dia x 0.787" L (5.10mm x 20.00mm) |
| Voltage Rating AC | 250V | 250 V | 250 V |
| Voltage Rating DC | - | - | - |
| Fuse Type | Cartridge, Ceramic | Cartridge, Ceramic | Cartridge, Ceramic |
| Response Time | Slow | Slow | Slow |
| Approvals | CCC, CE, CSA, cURus, IMQ, PSE, SEMKO, VDE | CCC, CE, CSA, cURus, IMQ, PSE, SEMKO, VDE | CCC, CE, CSA, cURus, IMQ, PSE, SEMKO, VDE |
| Breaking Capacity Rated Voltage | 1.5kA | 1.5kA | 1.5kA |
| MeltingI2t | 3 | 5.4 | 1.7 |
| Product | - | Ceramic Fuse | Ceramic Fuse |
| Type | - | Specialty Fuses | Specialty Fuses |
| Part Aliases | - | 0659R1600-12 | 0659R1000-12 |
| Unit Weight | - | 0.038801 oz | 0.038801 oz |
| Mounting Style | - | Holder / Clip | Holder / Clip |
| Termination Style | - | Clip | Clip |
| Operating Temperature Range | - | - 55 C to + 125 C | - 55 C to + 125 C |
| Length | - | 20 mm | 20 mm |
| Diameter | - | 5.1 mm | 5.1 mm |
| Product Type | - | Ceramic Tube | Ceramic Tube |
| Resistance | - | 0.095 Ohms | 0.2 Ohms |
| Fuse Size Group | - | 5 mm x 20 mm | 5 mm x 20 mm |
| Indicator Style | - | Without Indicator | Without Indicator |
| Interrupt Rating | - | 1.5 kA at 250 VAC | 1.5 kA at 250 VAC |
| Body Style | - | Cylindrical | Cylindrical |