What this 40-position SMT header does in a board stack
The 5-104693-4: The shrouded 4-wall housing with push-pull fastening protects the male pins from damage during blind mating and prevents misalignment in a multi-connector panel layout.

TE Connectivity AMPMODU 50/50 Grid header, 5-104693-4, 40-position dual-row, 0.050-inch (1.27 mm) pitch, surface-mount, shrouded 4-wall, gold mating finish, board lock, UL94 V-0 LCP housing.
| Parameter | Value |
|---|---|
| Series | AMPMODU 50/50 Grid |
| Type | Male Pin |
| Mounting | Surface Mount |
| Connector type | Header |
| Fastening type | Push-Pull |
| Current rating | 0.5A per Contact |
| Operating temperature | -65°C ~ 105°C |
| Contact material | Phosphor Bronze |
| Insulation color | Black |
| Insulation height | 0.367\" (9.33mm) |
| Insulation material | Liquid Crystal Polymer (LCP) |
| Mated stacking heights | 9.91mm |
| Parameter | Value |
|---|---|
| Material flammability rating | UL94 V-0 |
| Style | Board to Board |
| Package | Tube |
| Features | Board Lock |
| Shrouding | Shrouded - 4 Wall |
| Termination | Solder |
| Applications | Automotive, General Purpose, Medical, Military, Telecommunications |
| Contact shape | Circular |
| Rows | 2 |
| Pitch | 0.050\" (1.27mm) |
| Positions | 40 |
| Row spacing - mating | 0.050\" (1.27mm) |
| Contact finish - post | Tin |
| Contact finish - mating | Gold |
| Contact length - mating | 0.120\" (3.05mm) |
| Contact finish thickness - post | 150.0µin (3.81µm) |
| Contact finish thickness - mating | 30.0µin (0.76µm) |
The 5-104693-4: The shrouded 4-wall housing with push-pull fastening protects the male pins from damage during blind mating and prevents misalignment in a multi-connector panel layout.
Yes, automotive is listed among the intended applications, alongside general purpose, medical, military, and telecommunications.