The Molex 430451826 is the 18-circuit, dual-row member of the Micro-Fit 3.0 43045 series — a shrouded, vertical through-hole header designed for board-to-wire power interconnects. Its 3.00 mm pitch and 8 A per-contact rating put it squarely in the mid-range power distribution class, suited for automotive, industrial, medical, and telecom harness assemblies where the locking ramp keeps the mated pair secure under vibration.

Molex Micro-Fit 3.0 430451826 Header, 18 Pos, 3mm Pitch, 8A
MPN430451826
Active
Molex Micro-Fit 3.0 43045 Series Header, 18 Positions, 2 Rows, 0.118" (3.00mm) Pitch, Through Hole, Solder, Gold Mating Contact, Tin Post, Shrouded - 4 Wall, Board Lock, 8A, 600V, -40°C to 105°C, UL94 V-0, Tray.
$6.68Ref. price · indicative, final on quote
RoHSROHS3 Compliant
SeriesMicro-Fit 3.0 43045
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for stock & sourcing questions
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Micro-Fit 3.0 43045 |
| Type | Male Pin |
| Mounting | Through Hole |
| Connector type | Header |
| Fastening type | Locking Ramp |
| Voltage rating | 600V |
| Current rating | 8A |
| Operating temperature | -40°C ~ 105°C |
| Contact material | Brass |
| Insulation color | Black |
| Insulation height | 0.390\" (9.91mm) |
| Insulation material | Liquid Crystal Polymer (LCP), Glass Filled |
All specifications
| Parameter | Value |
|---|---|
| Material flammability rating | UL94 V-0 |
| Style | Board to Cable/Wire |
| Package | Tray |
| Features | Board Guide, Board Lock |
| Shrouding | Shrouded - 4 Wall |
| Termination | Kinked Pin, Solder |
| Applications | Automotive, General Purpose, Industrial, Medical, Telecommunications |
| Contact shape | Square |
| Rows | 2 |
| Pitch | 0.118\" (3.00mm) |
| Positions | 18 |
| Row spacing - mating | 0.118\" (3.00mm) |
| Contact finish - post | Tin |
| Contact length - post | 0.125\" (3.18mm) |
| Contact finish - mating | Gold |
| Contact finish thickness - post | 100.0µin (2.54µm) |
| Contact finish thickness - mating | 30.0µin (0.76µm) |
Product details
Frequently asked questions
Where can I buy the 430451826?
The 430451826 is sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time.