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High-Density Electrical Connectors Engineered for 3D Printers

Advanced 3D printers need space-efficient connectors that ensure reliable power and signal transmission in confined areas while withstanding high temperatures and continuous movement. Molex offers compact, heat-resistant connectors with strong locking mechanisms, enabling engineers to effectively meet power and signal requirements across various 3D printer subsystems.

Reliable Connectors for 3D Printer Designs


Modern 3D printers rely on high-density connectors to integrate complex subsystems within confined spaces while maintaining signal integrity and serviceability. Connectors near heat sources must withstand high temperatures and repeated thermal cycles without loss of reliability. High-cycle connectors that enable frequent, tool-free part swaps are crucial for streamlining printer assembly and maintenance.  

Engineers designing 3D printers utilize dependable, miniaturized connectors to ensure stable power and signal delivery, while maximizing space efficiency. Heat-resistant connectors with reinforced contacts help maintain consistent reliability despite extreme temperatures and vibrations. High-cycle connectors with strong locking mechanisms provide secure, reusable connections for frequently swapped components.

Molex’s compact, dependable connectors combine power and signal delivery in one interface, enhancing space efficiency and reliability in 3D printer applications. By utilizing heat-resistant materials and strong locking mechanisms, these connectors withstand intense thermal and mechanical stresses. Reliable, high-cycle connectors allow for fast component swaps, seamless upgrades and consistent signal transmission in 3D printers designed for easy maintenance.

3D Printer Connectors

3D Printer Motion and Drive System Connectors


To successfully operate motors and monitor movement, 3D printer motion systems require reliable power and signal connections. Designing these connectors can be a challenge due to limited space, constant vibration and continuous motion. Molex’s compact, high-current interconnect solutions provide secure connections, supporting stable motor and sensor performance in tight, high-motion spaces within 3D printers. 

  Configuration Current (max.) Voltage (max.) Pitch Circuits
CLIK-Mate Connectors Wire-to-board 2.5A (1.25mm pitch), 3.0A (1.50mm pitch), 4.0A (2.00mm pitch)  100V AC (RMS)/DC 1.25, 1.50, 2.00mm 2 to 34
Micro-Fit Connectors Wire-to-board, wire-to-wire 10.5A 600V 3.00mm 2 to 24
PicoBlade Connectors Wire-to-board, wire-to-wire 2.5A 125V 1.25mm 2 to 15

3D Printer Thermal Systems


Thermal components in 3D printers, such as heaters, fans and temperature sensors, require reliable connections that can operate effectively in tight, high-heat spaces, while ensuring accuracy and stable power delivery. Featuring secure locks, low mating force and terminal position assurance (TPA), Molex's space-efficient connectors help ensure accurate sensor readings and dependable power delivery in compact thermal subsystems. 

  Configuration Current (max.) Voltage (max.) Pitch Circuits
CLIK-Mate Connectors Wire-to-board 2.5A (1.25mm pitch), 3.0A (1.50mm pitch), 4.0A (2.00mm pitch)  100V AC (RMS)/DC 1.25, 1.50, 2.00mm 2 to 34
Micro-Fit Connectors Wire-to-board, wire-to-wire 10.5A 600V 3.00mm 2 to 24
Nano-Fit Connectors Wire-to-board, wire-to-wire 8.0A 250V 2.50mm 2 to 16

3D Printer Control Boards


In compact 3D printer control boards, engineers need space-efficient connectors that can provide secure power and signal routing while minimizing assembly errors. Molex's miniaturized connectors ensure dependable signal and power delivery, streamline cable routing and aid in the efficiency of automated assembly processes for 3D printer control boards.

  Configuration Current (max.) Voltage (max.) Pitch Circuits
CLIK-Mate Connectors Wire-to-board 2.5A (1.25mm pitch), 3.0A (1.50mm pitch), 4.0A (2.00mm pitch)  100V AC (RMS)/DC 1.25, 1.50, 2.00mm 2 to 34
Micro-Fit Connectors Wire-to-board, wire-to-wire 10.5A 600V 3.00mm 2 to 24
FFC / FPC Connectors     125V 0.20 to 2.00mm 2 to 120

3D Printer User Interfaces and Connectivity


Engineers require reliable, low-profile connections for touchscreens, LEDs and buttons to create user-friendly 3D printer interfaces. Designed for compact layouts, Molex’s secure connectors facilitate slim, adaptable routing for interface components, while maintaining strong signal integrity.

  Configuration Current (max.) Voltage (max.) Pitch Circuits
CLIK-Mate Connectors Wire-to-board 2.5A (1.25mm pitch), 3.0A (1.50mm pitch), 4.0A (2.00mm pitch)  100V AC (RMS)/DC 1.25, 1.50, 2.00mm 2 to 34
FFC / FPC Connectors     125V 0.20 to 2.00mm 2 to 120

RF Microwave Technology Solutions

Molex offers a diverse selection of high-performance RF connectors designed to enhance signal integrity, minimize interference and meet high-frequency demands across various applications.