| PartNumber | 643653-3 | 643652-1 | 643652-3 |
| Description | IC & Component Sockets 21C DIPLOMATE DL TPPHBZ SIP | IC & Component Sockets 20C DIPLOMATE SIP | IC & Component Sockets 20P SIP IC SOCKET |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | IC & Component Sockets | IC & Component Sockets | IC & Component Sockets |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Product Type | IC & Component Sockets | IC & Component Sockets | IC & Component Sockets |
| Factory Pack Quantity | 100 | 100 | 100 |
| Subcategory | IC & Component Sockets | IC & Component Sockets | IC & Component Sockets |
| Part # Aliases | 643653-3 | - | - |
| RoHS | - | Y | Y |
| Product | - | DIP / SIP Sockets | DIP / SIP Sockets |
| Number of Positions | - | 20 Position | 20 Position |
| Type | - | SIP | Closed Frame |
| Pitch | - | 2.54 mm | 2.54 mm |
| Termination Style | - | Through Hole | SMD/SMT |
| Contact Plating | - | Tin | Tin |
| Housing Material | - | Thermoplastic | Thermoplastic |
| Contact Material | - | Beryllium Copper | Phosphor Bronze |
| Flammability Rating | - | UL 94 V-0 | - |
| Mounting Style | - | PCB | PCB |
| Features | - | - | SIP socket |