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| PartNumber | 7-146477-1 | 7-146477-0 | 7-146477-2 |
| Description | Headers & Wire Housings 21 MODII HDR SRST UNSHRD STKG | Headers & Wire Housings 20 MODII HDR SRST UNSHRD STKG | Headers & Wire Housings 22 MODII HDR SRST UNSHRD STKG |
| Manufacturer | TE Connectivity | TE Connectivity | - |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | - |
| RoHS | Y | - | - |
| Product | Headers | Headers | - |
| Type | Unshrouded | Unshrouded | - |
| Number of Positions | 21 Position | 20 Position | - |
| Pitch | 2.54 mm | 2.54 mm | - |
| Mounting Style | - | - | - |
| Termination Style | Through Hole | Through Hole | - |
| Contact Plating | Tin | Tin | - |
| Mating Post Length | 2.79 mm | 2.79 mm | - |
| Series | 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 | - |
| 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 | - | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Part # Aliases | 7-146477-1 | - | - |