| PartNumber | 72305-550LF | 72305-520LF | 72305-540LF |
| Description | Memory Card Connectors Card Bus Ass'y, Bottom Mount, S/D(68Pins), VTB, Type 123, 3.3V, 5mm s/o, Non-Eject | Memory Card Connectors Card Bus Ass'y, Bottom Mount, S/D(68Pins), VTB, Type 123, 3.3V, 2.2mm s/o, Non-Eject | Memory Card Connectors Card Bus Ass'y, Bottom Mount, S/D(68Pins), VTB, Type 123, 3.3V, 4.3mm s/o, Non-Eject |
| Manufacturer | FCI / Amphenol | FCI / Amphenol | FCI / Amphenol |
| Product Category | Memory Card Connectors | Memory Card Connectors | Memory Card Connectors |
| RoHS | Y | Y | Y |
| Product | Header and Ejector | Header and Ejector | Header and Ejector |
| Card Type | PCMCIA | PCMCIA | PCMCIA |
| Type | I, II, III | I, II, III | I, II, III |
| Number of Contacts | 68 Contact | 68 Contact | 68 Contact |
| Pitch | 1.27 mm | - | 1.27 mm |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Current Rating | 500 mA | 500 mA | 500 mA |
| Contact Plating | Palladium Nickel | Palladium Nickel | Palladium Nickel |
| Packaging | Tray | Tray | Tray |
| Housing Material | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) |
| Mounting Type | Bottom | Bottom | Bottom |
| Voltage Rating | 3.3 V | 3.3 V | 3.3 V |
| Brand | Amphenol FCI | Amphenol FCI | Amphenol FCI |
| Contact Material | Copper Alloy | Copper Alloy | Copper Alloy |
| Row Spacing | 1.27 mm | 1.27 mm | 1.27 mm |
| Insulation Resistance | 1000 MOhms | 1000 MOhms | 1000 MOhms |
| Latch Color | Black | Black | Black |
| Mating Cycles | 10 k | 10 k | 10 k |
| Product Type | Memory Card Connectors | Memory Card Connectors | Memory Card Connectors |
| Factory Pack Quantity | 12 | 192 | 192 |
| Subcategory | Memory Connectors & Sockets | Memory Connectors & Sockets | Memory Connectors & Sockets |
| Part # Aliases | 72305550LF | 72305520LF | 72305540LF |