| PartNumber | 03450121X | 03450121HX020 | 03450121H |
| Description | Fuse Holder Shock Safe | Fuse Holder 5X20MM Knob Only | Fuse Holder Shock Safe 5x20MM |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse Inc. |
| Product Category | Fuse Holder | Fuse Holder | IC Chips |
| RoHS | Y | Y | - |
| Series | 345 | 345 | 345 |
| Product | Fuse Holders | Fuse Holders | Fuse Holders |
| Fuse Size / Group | 5 x 20 mm | 5 x 20 mm | - |
| Type | Shock Safe | Shock Safe | Shock Safe |
| Mounting Style | Through Hole, Horizontal | Through Hole, Horizontal | Through Hole Horizontal |
| Number of Poles | 1 Pole | 1 Pole | 1 Pole |
| Current Rating | 15 A | 16 A | 16A |
| Voltage Rating | 250 V | 250 V | 250 V |
| Shaft Type | Screwdriver Release | - | Screwdriver Release |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Bulk | Bulk | Bulk |
| Color | Black | - | Black |
| Illumination | Not Illuminated | - | Not Illuminated |
| Brand | Littelfuse | Littelfuse | - |
| Product Type | Fuse Holders | Fuse Holders | - |
| Factory Pack Quantity | 1 | 100 | - |
| Subcategory | Fuses | Fuses | - |
| For Use With Related Products | - | - | 5mm x 20mm |
| Termination Style | - | - | PC Pin |
| Operating Temperature Range | - | - | - 40 C to + 85 C |
| Mounting Type | - | - | PCB |
| Number of Circuits | - | - | 1 |
| Voltage | - | - | 250V |
| Fuse Type | - | - | Cartridge |
| Fuseholder Type | - | - | Holder |
| Fuse Size | - | - | 5mm x 20mm |
| Orientation | - | - | Horizontal |
| Contact Material | - | - | Brass |
| Contact Finish | - | - | Tin |