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| PartNumber | M20-9972145 | M20-9972046 | M20-9972045 |
| Description | Headers & Wire Housings 21+21 DIL VERTICAL PIN HEADER GOLD HT | Headers & Wire Housings 20+20 DIL VERTICAL PIN HEADER TIN | Headers & Wire Housings 20+20 DIL VERTICAL PIN HEADER GOLD HT |
| Manufacturer | Harwin | - | Harwin Inc. |
| Product Category | Headers & Wire Housings | - | Rectangular Connectors - Headers, Male Pins |
| RoHS | Y | - | - |
| Product | Headers | - | - |
| Type | Pin Strip | - | - |
| Number of Positions | 42 Position | - | 40 |
| Pitch | 2.54 mm | - | 0.100" (2.54mm) |
| Number of Rows | 2 Row | - | 2 |
| Mounting Style | Through Hole | - | - |
| Termination Style | Through Hole | - | - |
| Contact Plating | Gold | - | - |
| Series | M20 | - | M20 |
| Brand | Harwin | - | - |
| Product Type | Headers & Wire Housings | - | - |
| Factory Pack Quantity | 100 | - | - |
| Subcategory | Headers & Wire Housings | - | - |
| Unit Weight | 0.100742 oz | - | - |
| Color | - | - | Black |
| Packaging | - | - | Bulk |
| Termination | - | - | Solder |
| Mounting Type | - | - | Through Hole |
| Features | - | - | - |
| Connector Type | - | - | Header, Unshrouded, Breakaway |
| Contact Finish | - | - | Gold |
| Contact Finish Thickness | - | - | - |
| Number of Positions Loaded | - | - | All |
| Contact Type | - | - | Male Pin |
| Row Spacing | - | - | 0.100" (2.54mm) |
| Fastening Type | - | - | - |
| Contact Mating Length | - | - | 0.335" (8.51mm) |