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| PartNumber | 2-146457-1 | 2-146457-0 | 2-146457-3 |
| Description | Headers & Wire Housings 21 MODII HDR SRST UNSHRD STKG | Headers & Wire Housings 20 MODII HDR SRST UNSHRD STKG | Headers & Wire Housings 23 MODII HDR SRST UNSHRD STKG |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity AMP Connectors |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Rectangular - Board to Board Connectors - Board Spacers, Stackers |
| RoHS | N | N | - |
| Product | Headers | Headers | - |
| Type | Dual Insulator | Dual Insulator | - |
| Number of Positions | 21 Position | 20 Position | 23 |
| Pitch | 2.54 mm | 2.54 mm | 0.100" (2.54mm) |
| Number of Rows | 1 Row | 1 Row | 1 |
| Mounting Style | Straight Pin | Straight Pin | - |
| Termination Style | Through Hole | Through Hole | - |
| Mounting Angle | Straight | Straight | - |
| Contact Gender | Pin (Male) | Pin (Male) | - |
| Contact Plating | Tin | Tin | - |
| Mating Post Length | 2.79 mm | 2.79 mm | - |
| Series | AMPMODU MOD II | AMPMODU MOD II | AMPMODU Mod II |
| Tradename | AMPMODU | AMPMODU | - |
| Current Rating | 3 A | 3 A | - |
| Housing Material | Thermoplastic | Thermoplastic | - |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | - |
| Contact Material | Copper Alloy | Copper Alloy | - |
| Row Spacing | - | - | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 1 | 100 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Part # Aliases | 2-146457-1 | 2-146457-0 | - |
| Color | - | - | Black |
| Packaging | - | - | Bulk |
| Termination | - | - | Solder |
| Mounting Type | - | - | Through Hole |
| Length Overall | - | - | 0.474" (12.04mm) |
| Length Post Mating | - | - | 0.114" (2.90mm) |
| Length Stack Height | - | - | 0.250" (6.35mm) |
| Length Tail | - | - | 0.110" (2.79mm) |
| Contact Finish Post Mating | - | - | Tin-Lead |
| Contact Finish Thickness Post Mating | - | - | 100μin (2.54μm) |