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See Product Specifications
| Part Number: | 64991-S21-4LF |
| Category: | Connectors, Interconnects |
| Subcategory: | Rectangular Connectors - Headers, Male Pins |
| Manufacturer: | Amphenol ICC (FCI) |
| Packaging: | Tray |
| Product Status: | Active |
| Connector Type: | Header |
| Contact Type: | Male Pin |
| Pitch - Mating: | 0.100" (2.54mm) |
| Number of Positions: | 42 |
| Number of Rows: | 2 |
| Row Spacing - Mating: | 0.100" (2.54mm) |
| Number of Positions Loaded: | All |
| Style: | Board to Board |
| Shrouding: | Shrouded - 4 Wall |
| Mounting Type: | Through Hole |
| Termination: | Solder |
| Fastening Type: | Push-Pull |
| Contact Length - Mating: | 0.318" (8.08mm) |
| Contact Length - Post: | 0.120" (3.05mm) |
| Overall Contact Length: | 0.548" (13.92mm) |
| Insulation Height: | 0.550" (13.97mm) |
| Contact Shape: | Square |
| Contact Finish - Mating: | Gold, GXT™ |
| Contact Finish Thickness - Mating: | 15.0µin (0.38µm) |
| Contact Finish - Post: | Tin |
| Contact Material: | Phosphor Bronze |
| Insulation Material: | Thermoplastic |
| Features: | - |
| Operating Temperature: | - |
| Ingress Protection: | - |
| Material Flammability Rating: | - |
| Insulation Color: | Natural |
| Current Rating (Amps): | - |
| Voltage Rating: | - |
