| PartNumber | 0481001.HXL | 0481001.HXM | 0481001.H |
| Description | Specialty Fuses 125V 1A With Lens | Specialty Fuses 125V 1A ALARM IND W/MARK | Specialty Fuses 125V 1A |
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Category | Electrical, Specialty Fuses | Electrical, Specialty Fuses | Electrical, Specialty Fuses |
| Series | 481 | 481 | 481 |
| Product | Specialty Fuses | Specialty Fuses | Specialty Fuses |
| Type | Alarm Telecom Indicating Fuse | Alarm Telecom Indicating Fuse | Alarm Telecom Indicating Fuse |
| Packaging | Bulk Alternate Packaging | Bulk | Bulk Alternate Packaging |
| Mounting Style | Snap In | Snap In | Snap In |
| Current Rating | 1A | 1A | 1A |
| Termination Style | Quick Connect | Quick Connect | Quick Connect |
| Operating Temperature Range | - 55 C to + 125 C | - | - 55 C to + 125 C |
| Height | 8 mm | 8 mm | 8 mm |
| Length | 22.9 mm | 22.9 mm | 22.9 mm |
| Width | 19.6 mm | 19.6 mm | 19.6 mm |
| Package Case | Alarm Indicator | Alarm Indicator | Alarm Indicator |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Holder | Holder | Holder |
| Features | Indicating | Indicating | Indicating |
| Size Dimension | 0.665" L x 0.228" W x 0.772" H (16.90mm x 5.80mm x 19.60mm) | 0.665" L x 0.228" W x 0.772" H (16.90mm x 5.80mm x 19.60mm) | 0.665" L x 0.228" W x 0.772" H (16.90mm x 5.80mm x 19.60mm) |
| Applications | Telecom | Telecom | Telecom |
| Voltage Rating AC | 125 V | 125 V | 125 V |
| Voltage Rating DC | 125 VDC | 125 VDC | 125 VDC |
| Fuse Type | Indicating Fuse | Indicating Fuse | Indicating Fuse |
| Response Time | Fast | Fast | Fast |
| Class | - | - | - |
| Approvals | CSA, UR | CSA, UR | CSA, UR |
| Breaking Capacity Rated Voltage | 300A | 300A | 300A |
| Product Type | Alarm Indicating Fuse | Alarm Indicating Fuse | Alarm Indicating Fuse |
| Resistance | 0.665 Ohms | - | 0.665 Ohms |
| Indicator Style | Color Coded Indicator Flag | Color Coded Indicator Flag | Color Coded Indicator Flag |
| Interrupt Rating | 450 Amps | - | 450 Amps |
| Body Style | Flat Body Blade Fuses | Flat Body Blade Fuses | Flat Body Blade Fuses |