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Founded in 1938, Molex is a global leader in interconnect solutions, enabling innovation across industries that shape how the world lives, works, and connects. With a deep commitment to engineering excellence, innovation, and collaboration, Molex helps customers turn challenges into opportunities through advanced connectivity solutions that power technologies from everyday electronics to critical industrial systems.

As part of Koch Industries, Molex’s broad portfolio spans electronic, electrical, and fiber optic interconnects, as well as cable assemblies, industrial automation interfaces, and precision tooling systems. The company’s solutions empower customers in automotive, industrial, medical, data center, consumer, and telecommunications markets to achieve smarter, faster, and more reliable designs.

From board-to-board connectors and custom cable assemblies to FA2 crimp applicators and Woodhead® industrial power products, Molex continues to drive performance, safety, and innovation—creating connections for life.

Molex Product Highlights

Series / Product Line	Specs	Benefits	Applications	Key Products (MPNs)
Micro-Fit 3.0 Series	3.0 mm pitch, wire-to-board and wire-to-wire, up to 8.5A	Compact, high-current, polarized housing	Power supplies, consumer, industrial	43025-0800, 43030-0003, 43031-0002, 43045-1400, 43045-2009
Mini-Fit / Mega-Fit Series	4.2 mm pitch, 9–13A, secure locking	High-performance power delivery	Servers, telecom, power modules	39-01-2140, 39-01-2225, 39-01-3029, 39-01-2180, 39-01-2100
KK Series (254/396/100)	2.54mm / 3.96mm pitch headers & housings	Proven reliability, easy mating, low cost	Consumer electronics, appliances	5057 family items: 39-00-0222, 39-00-0041, 39-30-1039, 39-28-1203, 39-01-2140 variants, 22-28-4164
PicoBlade Series	1.25 mm pitch, micro wire-to-board	Ultra-compact, lightweight	Wearables, drones, portable devices	51021-0300, 51021-0800, 51004-1100
SlimStack / Board-to-Board Series	0.35–1.0mm pitch, high-density	High-speed, compact stacking	Mobile, computing, display modules	502570-0893, 501331-0207, 504740-3900, 63801-5511, 63801-2685, 63801-7701
FFC / FPC Connectors	0.5–1.0mm pitch, ZIF/LIF	Easy insertion, space-saving	Displays, printers, embedded systems	53261-0271, 53398-0271, 53398-0471, 53398-0571
MicroClasp / Wire-to-Board Micro Series	1.25–2.00mm pitch	Secure latch, anti-mismatch	Small appliances, IoT	560020-0421, 560020-0420
MLX / Industrial Power Series	Rugged, high-current	Durable and vibration-resistant	Off-road, automotive, industrial power	19229-0120, 19229-0121, 19230-0086, 19418-0039, 19418-0029
Mini50 Automotive Series	Sub-compact automotive terminal system	Lightweight, small footprint	Automotive ECUs, lighting	105417-0334, 1054440001
C-Grid / CMC / Other Board-to-Board Series	2.00–2.54mm pitch	Versatile, low profile	Controllers, I/O, modules	63445-1431, 63443-0021, 63443-0012, 63443-0005, 63443-7112
MicroTCA / High-Speed Mezzanine Series	High-speed signal integrity	High-performance, multi-pin	Servers, HPC, telecom	63802-6270, 63885-7070, 63885-0870
Ultra-Fit Series	3.5mm pitch, 12A capable	High-power density, anti-tangle	Power distribution, LED drivers	501646-1000, 50079-8000
Sabre / PowerBlade / PowerSeries	Power connectors up to 17–25A	High-current reliability	Energy, industrial controls	39012226, 39012245
DuraClik / Automotive LV Connector Series	Positive latch, 2.00mm pitch	Vibration-resistant	Automotive harnesses	34080-1003, 22011042, 22272081, 22272101
Spox / Crimp-Housing Series	2.50mm pitch	Proven design for mixed-signal circuits	Appliances, consumer devices	53253-0670
MiniLock / MicroLock Plus	1.25–2.0mm pitch	Anti-mismatch, secure latch	LED strips, compact electronics	19070-0137, 19006-0001, 19002-0024
Milli-Grid Series	2.00mm pitch	Compact multi-circuit header	Control boards, industrial electronics	87832-6022, 87832-5422
Circular / Harsh Environment Connectors	Rugged circular shells	Durable, outdoor-rated	Sensors, field equipment	883031E02M050, DW-AD-711-M5
I/O / Modular Jack Series	Shielded & unshielded	Fast linking, RJ standards	Networking, telecom	47346-0001