Molex Mini-Fit Jr 5566 series, 0039299066, Board to Cable/Wire header, 6 circuits, 2 rows, 4.20 mm pitch, shrouded, locking ramp, board lock, through-hole solder, tin plating, UL94 V-0.
| Parameter | Value |
|---|---|
| Series | Mini-Fit Jr 5566 |
| Type | Male Pin |
| Mounting | Through Hole |
| Connector type | Header |
| Fastening type | Locking Ramp |
| Contact material | Brass |
| Insulation color | Natural |
| Insulation height | 0.504\" (12.80mm) |
| Insulation material | Polyamide (PA66), Nylon 6/6 |
| Material flammability rating | UL94 V-0 |
| Style | Board to Cable/Wire |
| Package | Tray |
| Parameter | Value |
|---|---|
| Features | Board Lock |
| Shrouding | Shrouded - 4 Wall |
| Termination | Solder |
| Applications | General Purpose, Industrial, Telecommunications |
| Contact shape | Square |
| Rows | 2 |
| Pitch | 0.165\" (4.20mm) |
| Positions | 6 |
| Row spacing - mating | 0.165\" (4.20mm) |
| Contact finish - post | Tin |
| Contact length - post | 0.138\" (3.50mm) |
| Contact finish - mating | Tin |
| Contact finish thickness - post | 35.0µin (0.90µm) |
| Contact finish thickness - mating | 35.4µin (0.90µm) |
This header mates with Mini-Fit Jr 5557 receptacle housings (single-row) or 5559 (dual-row) using the 5556 crimp terminals. The locking ramp engages the receptacle latch for vibration-proof retention.
Buyers need to confirm exact MPN before ordering to avoid errors.
Direct purchase intent; high conversion when availability is clear.
Engineers need specifications for design validation.
Pitch is critical for PCB layout compatibility.
Lifecycle status affects availability and reliability for production.
Ensures proper mating interface for cable/wire connections.