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| PartNumber | L77SDC37SA4CH4R | L77SDC37SA4CH4FC309 | L77SDC37SA4CH4F |
| Description | D-Sub Standard Connectors D-SUB | D-Sub Standard Connectors D-SUB | D-Sub Standard Connectors D-SUB |
| Manufacturer | Amphenol | Amphenol | Amphenol |
| Product Category | D-Sub Standard Connectors | D-Sub Standard Connectors | D-Sub Standard Connectors |
| RoHS | Y | Y | Y |
| Number of Positions | 37 Position | 37 Position | 37 Position |
| Mounting Angle | Right Angle | Right Angle | Right Angle |
| Number of Rows | 2 Row | 2 Row | 2 Row |
| Shell Size | 4 (C) | 4 (C) | 4 (C) |
| Packaging | Tray | Tray | Tray |
| Filtered | Unfiltered | Unfiltered | Unfiltered |
| Brand | Amphenol Commercial Products | Amphenol Commercial Products | Amphenol Commercial Products |
| Insert Arrangement | C37 | C37 | C37 |
| Product Type | D-Sub Connectors - Standard Density | D-Sub Connectors - Standard Density | D-Sub Connectors - Standard Density |
| Factory Pack Quantity | 40 | 40 | 40 |
| Subcategory | D-Sub Connectors | D-Sub Connectors | D-Sub Connectors |
| Contact Gender | - | - | Socket (Female) |
| Termination Style | - | - | Through Hole |
| Gender | - | - | Female |
| Type | - | - | Receptacle |
| Shell Material | - | - | Steel |
| Shell Plating | - | - | Tin |
| Contact Type | - | - | Stamped / Formed |
| Current Rating | - | - | 5 A |
| Voltage Rating | - | - | 1000 V |
| Contact Material | - | - | Bronze |
| Boardlocks | - | - | With Boardlocks |
| Maximum Operating Temperature | - | - | + 105 C |
| Minimum Operating Temperature | - | - | - 55 C |