| Part Number | 4-102977-0-34 | 4-102978-0-34 | 
|---|---|---|
| Manufacturer | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors | 
| Category | Rectangular Connectors - Headers, Male Pins | Rectangular Connectors - Headers, Male Pins | 
|   |   | |
| Product Status | Active | Discontinued at Digi-Key | 
| Connector Type | Header, Breakaway | Header, Breakaway | 
| Contact Type | Male Pin | Male Pin | 
| Pitch - Mating | 0.100" (2.54mm) | 0.100" (2.54mm) | 
| Number of Positions | 68 | 34 | 
| Number of Rows | 2 | 1 | 
| Row Spacing - Mating | 0.100" (2.54mm) | - | 
| Number of Positions Loaded | All | All | 
| Style | Board to Board or Cable | Board to Board or Cable | 
| Shrouding | Unshrouded | Unshrouded | 
| Mounting Type | Through Hole | Through Hole, Right Angle | 
| Termination | Solder | Solder | 
| Fastening Type | Push-Pull | Push-Pull | 
| Contact Length - Mating | 0.318" (8.08mm) | 0.318" (8.08mm) | 
| Contact Length - Post | 0.125" (3.18mm) | 0.110" (2.79mm) | 
| Overall Contact Length | 0.533" (13.55mm) | - | 
| Insulation Height | 0.090" (2.29mm) | 0.138" (3.50mm) | 
| Contact Shape | Square | Square | 
| Contact Finish - Mating | Gold | Gold | 
| Contact Finish Thickness - Mating | 30.0µin (0.76µm) | 30.0µin (0.76µm) | 
| Contact Finish - Post | Tin-Lead | Tin-Lead | 
| Contact Material | Copper Alloy | Copper Alloy | 
| Insulation Material | Thermoplastic | Thermoplastic | 
| Features | - | - | 
| Operating Temperature | -65°C ~ 105°C | -65°C ~ 105°C | 
| Ingress Protection | - | - | 
| Material Flammability Rating | UL94 V-0 | UL94 V-0 | 
| Insulation Color | Black | Black | 
| Current Rating (Amps) | 3A | 3A | 
| Voltage Rating | - | - |