| PartNumber | 0203004.H | 0203004.HXG | 0203004.URG |
| Description | Fuses with Leads (Through Hole) 250V 4A | Surface Mount Fuses 250V 4A | Surface Mount Fuses 250V 4A |
| Manufacturer | Littelfuse Inc. | - | Littelfuse Inc. |
| Product Category | Fuses | - | Fuses |
| Color | - | - | - |
| Series | FLAT-PAKR 203 | - | FLAT-PAKR 203 |
| Product | PCB Mount Fuse | - | Surface Mount Fuse |
| Type | Specialty Fuses | - | - |
| Packaging | Tube | - | Tape & Reel (TR) Alternate Packaging |
| Current Rating | 4A | - | 4A |
| Termination Style | Radial | - | - |
| Tradename | Slo-Blo | - | Slo-Blo |
| Operating Temperature Range | - 55 C to + 125 C | - | - 55 C to + 125 C |
| Height | 4.19 mm | - | 4.19 mm |
| Length | 9.45 mm | - | 9.45 mm |
| Width | 6.35 mm | - | 6.35 mm |
| Package Case | 2-DIP (0.400", 10.16mm) | - | 2-SMD, Gull Wing |
| Operating Temperature | -55°C ~ 125°C | - | -55°C ~ 125°C |
| Mounting Type | Through Hole | - | Surface Mount |
| Size Dimension | 0.372" L x 0.250" W x 0.165" H (9.45mm x 6.35mm x 4.19mm) | - | 0.372" L x 0.250" W x 0.165" H (9.45mm x 6.35mm x 4.19mm) |
| Voltage Rating AC | 250 V | - | 250 V |
| Voltage Rating DC | - | - | - |
| Fuse Type | Board Mount (Cartridge Style Excluded) | - | Board Mount (Cartridge Style Excluded) |
| Response Time | Slow | - | Slow |
| Approvals | CSA, UL | - | CSA, UL |
| Breaking Capacity Rated Voltage | 50A | - | 50A |
| MeltingI2t | 8.75 | - | 8.75 |
| Product Type | PCB Mount Fuse | - | - |
| Resistance | 0.0148 Ohms | - | 0.0148 Ohms |
| Fuse Size Group | FLAT-PAK | - | FLAT-PAK |
| Indicator Style | Without Indicator | - | - |
| Interrupt Rating | 50 Amps at 250 Volts | - | 50 Amps at 250 Volts |
| Body Style | Leaded Fuses | - | - |