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Molex 5054332421 — Pin Headers

5054332421 Molex Micro-Lock PLUS 24-Pin Header SMT 1.25mm

MPN5054332421
Active

Molex Micro-Lock PLUS 505433 series, 5054332421 — 24-position, dual-row, surface-mount pin header, 1.25mm pitch, shrouded 4-wall with latch holder, gold-plated contacts, 50VAC/DC rating, UL94 V-0 housing.

$2.9000Ref. price · indicative, final on quote
Molex 5054332421 datasheet (PDF)
RoHSROHS3 Compliant
SeriesMicro-Lock PLUS 505433
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

5054332421 key specifications
ParameterValue
SeriesMicro-Lock PLUS 505433
TypeMale Pin
MountingSurface Mount
Connector typeHeader
Fastening typeLatch Holder
Voltage rating50VAC/DC
Current ratingVaries by Wire Gauge
Operating temperature-40°C ~ 105°C
Contact materialBrass
Insulation colorBlack
Insulation height0.285\" (7.25mm)
Insulation materialPolyamide (PA), Nylon

All specifications

5054332421 additional specifications
ParameterValue
Material flammability ratingUL94 V-0
StyleBoard to Cable/Wire
PackageTape & Reel (TR) Cut Tape (CT)
FeaturesSolder Retention
ShroudingShrouded - 4 Wall
TerminationSolder
ApplicationsAutomotive, General Purpose, Industrial
Contact shapeSquare
Rows2
Pitch0.049\" (1.25mm)
Positions24
Contact finish - postGold
Contact finish - matingGold
Contact finish thickness - post15.0µin (0.38µm)
Contact finish thickness - mating15.0µin (0.38µm)

Product details

Dual-row SMT header for wire-to-board locking

The 5054332421 is a 24-position, dual-row surface-mount pin header from the Molex Micro-Lock PLUS 505433 series. It mates with a wire-to-board receptacle carrying the same 1.25mm pitch, making it a board-side anchor for a locked cable assembly.

Current rating and wire gauge dependence

Voltage rating is 50VAC/DC, which covers low-voltage signal and power distribution in automotive, industrial control, and general-purpose equipment.

Mating half and harness assembly

This header mates with a Micro-LOCK PLUS receptacle housing (series 505433) that accepts crimp terminals for 26-30 AWG wire. The square male pins (0.64mm typical for 1.25mm pitch) wipe the receptacle contacts on insertion.

Frequently asked questions

What is the mating connector for Molex 5054332421?

The mating half is a Micro-Lock PLUS receptacle housing (series 505433) with crimp terminals — same 1.25mm pitch, 24 positions, dual-row. The receptacle locks into the header's latch holder for vibration-resistant mating.