| PartNumber | 8-1977946-0 | 8-1977951-0 | 8-1977945-0 |
| Description | Headers & Wire Housings 80 MODII HDR DRST B/A .100CL 30 PD/NI | Headers & Wire Housings 80 MODII HDR DRST BA 100 W/HD 30 PD/NI | Headers & Wire Housings 80 MODII HDR DRST B/A .100CL 30 PD/NI |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| RoHS | Y | Y | Y |
| Product | Headers | Headers | Headers |
| Type | Breakaway | Breakaway | Breakaway |
| Number of Positions | 80 Position | 80 Position | 80 Position |
| Pitch | 2.54 mm | 2.54 mm | 2.54 mm |
| Number of Rows | 2 Row | 1 Row | 2 Row |
| Termination Style | Through Hole | Through Hole | Through Hole |
| Mounting Angle | Vertical | Vertical | Vertical |
| Contact Plating | Gold | Gold | Gold |
| Mating Post Length | 5.84 mm | 8.08 mm | 8.08 mm |
| Series | AMPMODU MOD II | AMPMODU MOD II | AMPMODU MOD II |
| Tradename | AMPMODU | AMPMODU | AMPMODU |
| Packaging | Bulk | - | Bulk |
| Housing Material | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 | UL 94 V-0 |
| Row Spacing | 2.54 mm | 2.54 mm | 2.54 mm |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 50 | 50 | 50 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Part # Aliases | 8-1977946-0 | 8-1977951-0 | 8-1977945-0 |