6.35mm Pitch, 9 Circuits, 3 Rows — Board-to-Wire Fit
The 350828-4: It is a board-to-wire style, meaning it mounts on the PCB and mates with a corresponding wire-housing receptacle.

TE Connectivity AMP Universal MATE-N-LOK header, 350828-4, 9-position, 3-row, 0.250" (6.35mm) pitch, through-hole solder termination, gold-plated mating contacts, locking ramp, UL94 V-0 natural nylon housing.
| Parameter | Value |
|---|---|
| Series | Universal MATE-N-LOK |
| Type | Female Socket |
| Mounting | Through Hole |
| Connector type | Header |
| Fastening type | Locking Ramp |
| Contact material | Phosphor Bronze |
| Insulation color | Natural |
| Insulation height | 0.550\" (13.97mm) |
| Insulation material | Polyamide (PA), Nylon |
| Material flammability rating | UL94 V-0 |
| Style | Board to Cable/Wire |
| Package | Bulk |
| Parameter | Value |
|---|---|
| Termination | Solder |
| Contact shape | Circular |
| Rows | 3 |
| Pitch | 0.250\" (6.35mm) |
| Positions | 9 |
| Row spacing - mating | 0.250\" (6.35mm) |
| Contact finish - post | Tin |
| Contact length - post | 0.155\" (3.94mm) |
| Contact finish - mating | Gold |
| Contact finish thickness - mating | 30.0µin (0.76µm) |
The 350828-4: It is a board-to-wire style, meaning it mounts on the PCB and mates with a corresponding wire-housing receptacle.
The 350828-4 is listed as RoHS compliant by the manufacturer. The contact finish — gold on the mating face, tin on the post — is within RoHS substance limits.
The 9-position, 3-row, 6.35mm pitch configuration is specific to this base part number.