What the 4.20mm Pitch and Locking Ramp Mean for Your Harness
The 0353180420: The 0.173" post length gives enough solder tail for a solid through-hole joint on standard 1.6mm boards.
Molex 0353180420 Mini-Fit Jr Header, 4 Position, 4.20mm
MPN0353180420
Active
Molex Mini-Fit Jr 35318 series, 0353180420, Board to Cable/Wire header, 4 circuits, 4.20mm pitch, through hole right angle, tin-plated male pins, shrouded with locking ramp, UL94 V-2.
$0.4500Ref. price · indicative, final on quote
RoHSROHS3 Compliant
SeriesMini-Fit Jr 35318
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Mini-Fit Jr 35318 |
| Type | Male Pin |
| Mounting | Through Hole, Right Angle |
| Connector type | Header |
| Fastening type | Locking Ramp |
| Contact material | Brass |
| Insulation color | Natural |
| Insulation height | 0.378\" (9.60mm) |
| Insulation material | Polyamide (PA66), Nylon 6/6 |
| Material flammability rating | UL94 V-2 |
| Style | Board to Cable/Wire |
| Package | Bulk |
All specifications
| Parameter | Value |
|---|---|
| Shrouding | Shrouded - 4 Wall |
| Termination | Solder |
| Applications | General Purpose, Industrial, Telecommunications |
| Contact shape | Square |
| Rows | 2 |
| Pitch | 0.165\" (4.20mm) |
| Positions | 4 |
| Row spacing - mating | 0.165\" (4.20mm) |
| Contact finish - post | Tin |
| Contact length - post | 0.173\" (4.40mm) |
| Contact finish - mating | Tin |
| Contact length - mating | 0.208\" (5.30mm) |
Product details
Frequently asked questions
What is the mating connector for Molex 0353180420?
The 0353180420 mates with a Mini-Fit Jr 35318 series receptacle housing, typically a 4-circuit dual-row part like 39-01-2040, using the matching crimp terminals. Confirm the circuit count and row configuration match your harness.
Is 0353180420 RoHS compliant?
Yes, it is ROHS3 compliant per the evidence.