Molex C-Grid and C-Grid III Connectors
The Molex C-Grid and C-Grid III series offer reliable wire-to-board signal connectors with a standard 2.54 mm (0.1 inch) pitch. Available in single- or dual-row configurations with 2 to 64 positions, these receptacle housings feature crimp socket (female) contacts for cable mounting. Designed for robust performance, they operate over a wide temperature range of -55°C to +105°C and are fully RoHS-compliant. Packaged in bulk, these connectors offer versatile solutions for a wide range of electronic interconnect needs.

Product Classifications
- PCB Headers and Receptacles
- Connector Housings
- Crimp Terminals
- Connector Accessories
- Power and Signal Cable Assemblies
- Chinese Alternative/replacement parts are available
Here we only list connector housing details, and these are the wire harness's main components, which our customers mainly need to compare its specifications.
C-Grid III connectors have these series:
| Series |
options |
Circuits |
Design Config. |
| 90123 |
Single row |
2 to 32 |
Wire-to-board system |
| 90143 |
Dual row |
4 to 50 |
Wire-to-board system |
| 90156 |
Single row |
2 to 32 |
Wire-to-board system |
| 90142 |
Dual row |
6 to 50 |
Wire-to-board system |
| 90160 |
Dual row |
6 to 50 |
Wire-to-Wire |
90123 Series
90142 Series
90143 Series
90156 Series
90160 Series
Note: this is part of connector lists, contact us if you want more.
Features
- 2.54mm (0.100") pitch, mates with 0.64mm (0.025") square pins
- Wire-to-board and board-to-board modular interconnect system
- Single and dual-row options available
- North/south orientation allows ease of mating
- Header
- Easy breakaway feature to produce smaller sizes for design flexibility and quick turnaround
- The shrouded header comes with polarization and friction lock
- Contact and plating orientation according to DIN 41651
- Gold flash and 2-sided gold plating on contact available
- High pin retention force
- High mechanical stability soldering
- Receptacle
- Stackable end-to-end
- Contact and plating orientation according to DIN 41651
- Meets HE-13/14 specification
- Halogen-free and glow wire-compliant versions are available
C-Grid III Connectors Applications
The C-Grid III Connector Series is designed for high-density, low-power applications across a wide variety of industries. These connectors offer reliable performance, durability, and versatility, making them a go-to solution for many technology-driven systems.
1. Computer/Peripherals
- Desktop PCs: C-Grid III connectors are used to facilitate connections between various components inside a desktop PC, such as motherboard interfaces, internal power supplies, and peripheral connections, ensuring stable performance.
- Office Equipment: In printers, scanners, and other office peripherals, these connectors ensure the smooth and efficient transmission of data and power.
- Servers: C-Grid III connectors are crucial in server environments, supporting high-speed data transmission and power distribution in data centers.
- Monitors: These connectors can manage signals within display units, ensuring proper connectivity between video processors and display panels.
2. Medical Sector
- Laboratory Devices: C-Grid III connectors are used in lab testing equipment such as centrifuges, analyzers, and microscopes for ensuring precise and reliable performance.
- Medical Equipment: In life-critical devices like MRI machines, ECGs, infusion pumps, and defibrillators, these connectors ensure the reliability and safety of electrical connections, reducing the risk of equipment failure.
3. Consumer Electronics
- White and Brown Goods: C-Grid III connectors are used in household appliances, including washing machines, refrigerators, and microwaves (white goods), as well as in electronics like televisions, audio systems, and DVD players (brown goods).
- Home Entertainment Systems: From home theater systems to soundbars and gaming consoles, these connectors ensure the seamless connectivity of audio and video components.
- Vending Machines: In automated vending systems, C-Grid III connectors manage the electrical systems that control selection mechanisms, payment systems, and product dispensing.
4. Telecom/Datacom
- Exchange Stations: C-Grid III connectors are employed in exchange stations to ensure reliable signal transmission and power connections in communication networks.
- Base Stations: In wireless base stations, these connectors support high-speed data and signal connectivity between antennae, controllers, and network systems.
- Control Rooms: For telecom and data control rooms, C-Grid III connectors provide reliable connectivity between monitoring systems, server racks, and control consoles.
5. Industrial Applications
- Industrial Equipment: In industrial machinery such as robotics, automated conveyor systems, and heavy-duty tools, C-Grid III connectors handle the power and data transmission requirements, even in harsh environments.
- Measurement Equipment: Devices like sensors, gauges, and industrial meters rely on C-Grid III connectors for accurate and stable readings in factory and production line settings.
6. Transportation
- Safety Systems: In transportation systems, particularly in vehicles, C-Grid III connectors are critical for connecting safety devices like airbags, antilock brakes, and stability control systems, ensuring reliable safety performance.
- Engine Trains: C-Grid III connectors play an important role in ensuring dependable electrical connections between components in engine train systems, supporting both power and communication needs.
- Infotainment: In automotive and transportation settings, C-Grid III connectors are essential for infotainment systems, managing data connections for in-car entertainment, GPS systems, and digital displays.
- Body Electronics: In automotive body electronics, including power window controls, lighting, and climate control systems, C-Grid III connectors ensure robust electrical connections for proper functionality.
These connectors are widely trusted for their high performance and long-term reliability across numerous sectors, offering versatility in both power and signal applications.
Support Custom Wire Harness Assembly
- Connectors: 90123, 90143, 90156, 90142, and 90160 series.
- Wire Gauge: 28AWG - 22AWG
- Wire Colors: Available in a wide range including white, black, red, yellow, blue, green, brown, orange, purple, grey, and more.
- Wire Length: Fully customizable to your specifications.
- Wiring Diagram: Tailor-made to meet your project needs.
- Minimum Order: 100 pieces per order.

Customize Your Wire Harness
Send your sample or drawing/schematic for quote price→ Feedback with quotation(1~3 days) → Confirm quotation → Arrange sample you for approval→ [Make mold if needed (7 days) →Mold test] → Making samples(1~3 days)→ Samples test(Approval) → place order for Mass production(2~3 weeks)→ Quality checking→ Packing → Delivery → After Service → Repeat Order.