Molex Mini-Fit Jr 5556 series, 0039310100, a 10-position dual-row shrouded header, 4.20mm pitch, through-hole solder termination, locking ramp, tin-plated contacts, UL94 V-0 natural nylon housing.
| Parameter | Value |
|---|---|
| Series | Mini-Fit Jr 5556 |
| 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 | Bulk |
| Parameter | Value |
|---|---|
| Shrouding | Shrouded - 4 Wall |
| Termination | Solder |
| Applications | General Purpose, Industrial, Telecommunications |
| Contact shape | Square |
| Rows | 2 |
| Pitch | 0.165\" (4.20mm) |
| Positions | 10 |
| 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) |
The 0039310100: The locking ramp is the feature that separates this header from a standard unshrouded pin strip. In a panel or enclosure where the cable assembly is routed near moving parts or through a hinged door, the latch keeps the mated connector pair engaged — no secondary retention hardware needed.
It is a standard catalog part from the Mini-Fit Jr family, widely used across industrial, telecom, and general-purpose equipment.
Tin plating is RoHS-compliant by default — no restricted substances under the current RoHS directive. The nylon housing is also free of brominated flame retardants in standard Molex production.