| PartNumber | BK1/MCRS4A | BK1/MCRS1A | BK1/MCRS2A |
| Description | Fuses with Leads (Through Hole) SLOW BLOW MICROTRON - 0676-400B-01 | FAST ACTING MICROTRON - 0676-100B-01 | SLOW BLOW MICROTRON - 0676-200B-01 |
| Manufacturer | Eaton | - | - |
| Product Category | Fuses with Leads (Through Hole) | - | - |
| Series | MCRS | - | - |
| Product | PCB Mount Fuse | - | - |
| Current Rating | 4 A | - | - |
| Voltage Rating AC | 125 VAC | - | - |
| Fuse Type | Time Delay / Slow Blow | - | - |
| Body Style | Leaded Fuses | - | - |
| Interrupt Rating | 50 A, 300 A | - | - |
| Termination Style | Axial | - | - |
| Fuse Size / Group | Microtron | - | - |
| Resistance | 40 mOhms | - | - |
| Diameter | 3.18 mm | - | - |
| Indicator Style | Wire Element | - | - |
| Length | 7.1 mm | - | - |
| Type | Specialty Fuses | - | - |
| Brand | Bussmann / Eaton | - | - |
| Product Type | PCB Mount Fuse | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | Fuses | - | - |
| Part # Aliases | BK1-MCRS4A | - | - |
| Unit Weight | 0.016000 oz | - | - |