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Board-to-Board Connectors

Connectors

Board-to-Board Connectors

The printed circuit board (PCB) has become a foundational staple in the electronics industry—yet given continuing trends toward miniaturization, designers now need a more diverse range of solutions for creating dependable PCB connections. As a leading manufacturer of board-to-board connectors including mezzanine, backplane, coplanar and more, Molex gives customers collaborative support spanning an expansive array of pitches and stacking heights.  

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Microminiature Connectors

SlimStack Connectors

Fine-pitch battery connectors that provide up to 10.0A, a hybrid interface, wide alignment guides for easier mating and a robust metal armor cover that acts as housing protection for secure electrical and mechanical contact.

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SlimStack-Connectors
Pitch Mated Height Circuits Current (Max.)
0.35 to 1.25mm 0.60 to 16.00mm 6 to 240 15.0A

Quad-Row Connectors

World’s smallest board-to-board connector ideally suited for space-constrained smartphones, smartwatches, wearables, AR/VR devices and more!

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Quad-Row Connectors
Pitch Mated Height Circuits Current (Max.)
0.175mm 0.50mm, 0.60mm, 0.80mm 12 to 80 up to 4.0A

5G mmWave RF Flex-to-Board Connectors

5G mmWave RF Flex-to-Board Connectors offer excellent signal integrity (SI) performance for high-speed, extreme RF applications, along with the robust mating features and PCB real-estate space savings needed in compact 5G mobile and other communication devices.
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Pitch Mated Height Circuits Current (Max.)
0.35mm 0.60 to 0.70mm 6 1.0A

Power and Signal Connectors

C-Grid Connectors

The C-Grid family of connectors offers benefits for a wide range of electronic products across industries. The latest version from Molex, C-Grid III, offers high mechanical stability in a compact 2.54mm pitch post and receptacle. Find the flexible C-Grid and C-Grid III components that fit your project.
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C-Gird & C-Grid III
Pitch Mated Height Circuits Current (Max.)
2.54mm 3.96 to 6.40mm 1 to 100 3.0A

KK Connectors

KK connector systems are customizable for a variety of power and signal applications. Available in industry-standard 2.54, 3.96 and 5.08mm pitch sizes, this single-row, wire-to-board and board-to-board product family is cost effective and versatile.

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KK Connectors
Pitch Mated Height Circuits Current (Max.)
2.54 to 5.08mm 2.45 to 25.54mm 2 to 40 13.0A*

*Dependent upon product

Micro-Fit Connectors

Offers premium housing features to prevent mis-mating, reduce terminal backout, reduce operator fatigue during assembly and aid in blind-mating applications.

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Micro-Fit Connectors
Pitch Mated Height Circuits Current (Max.)
3.00mm 6.98 to 17.64mm 4 to 24 10.5A

Micro-Fit+ Connectors

Micro-Fit+ Connectors are uniquely designed to meet the demands of power applications that require a compact, high-density solution without compromising performance or reliability. Learn more.
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Micro-Fit+
Pitch Mated Height Circuits Current (Max.)
4.20mm 6.98 to 17.64mm 2 to 24 13.0A

Mini-Fit Connectors

The Mini-Fit Connector family delivers an operating temperature up to +125° C, offers a double crimp tool and is available in Board-to-Board, Wire-to-Board and Wire-to-Wire configurations.
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Mini-fit-Connectors
Pitch Mated Height Circuits Current (Max.)
4.20mm up to 16.03mm* 2 to 40 up to 20.5A*

*Dependent upon product

High-Power Connectors

EXTreme Power Products

EXTreme Power products offer high-current interconnect solutions with best in class power densities. The extensive product offering ranges from EXTreme LPH 30.0A blades to EXTreme PowerMass 150.0A modules. Molex EXTreme Power products – made for your high-current applications.

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EXTreme Power Products
Pitch Mated Height Circuits Current (Max.)
1.60 to 12.90mm 10.00 to 18.00mm 1 to 72 up to 160.0A*

*Dependent upon product

Sentrality Pin and Socket

Molex’s Sentrality Pin and Socket Interconnect System offers high-current board-to-board, busbar-to-board and busbar-to-busbar connectors and provides a +/- 1.00mm radial self-alignment to overcome tolerance stack-up issues.
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Sentrality Pin and Socket
Pin Size Circuits Current (Max.)
3.40 to 11.00mm 1 350.0A

Mezzanine Connectors

Mirror Mezz Connectors

Footprint-compatible hermaphroditic Mirror Mezz and Mirror Mezz Pro Mezzanine Connectors lower application costs eliminating the need for separate mating parts and offer maximum design flexibility by allowing the user to pair different connector height versions to achieve the desired stack height while supporting data speeds up to 112Gbps per differential pair for telecommunications, networking and other applications.

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Mirror Mezz Connectors
Pitch Mated Height Circuits Current (Max.)
1.50mm  5.00 to 11.00mm 124 to 688 1.2A

SEARAY / SEARAY Slim Connectors

Low-profile SEARAY Mezzanine Connectors and Jumpers deliver a 12.5+Gbps data rate, small footprint and robust solder-charge termination while SEARAY Slim Connectors also improve airflow to address thermal management issues.
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SEARAY and SEARAY Slim Connectors
Pitch Mated Height Circuits Current (Max.)
1.27mm 7.00 to 17.00mm SEARAY: 90 to 500
SEARAY SLIM: 40 to 200		 2.7A per contact

NeoScale Connectors

Delivering the connector with the fastest data rate in the market today at 56Gbps and the cleanest signal integrity, Molex’s modular NeoScale Mezzanine System features a high-speed triad wafer design for customized PCB routing in high-density system applications.

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NeoScale Connectors
Pitch Mated Height Circuits Current (Max.)
2.80mm  12.00 to 40.00mm 24, 50, 120 triads 8.0A per triad

SpeedMezz Connectors

The SpeedMezz Connector family offers high-densities, low profiles, data rates up to 56Gbps per differential pair and easy upgrading with common receptacle footprints to deliver versatile solutions for high-speed mezzanine, rugged edge card and lower speed applications.
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SpeedMezz Connectors
Pitch Mated Height Circuits Current (Max.)
0.80mm 4.00 to +10.00mm 22, 60, 82 0.8A

HD Mezz Connectors

Designed for high-density, high-performance mezzanine applications, the HD Mezz Mezzanine Connector System simplifies PCB routing and maximizes card-slot space while delivering 12.5Gbps data rate.
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HD Mezz Connectors
Pitch Mated Height Circuits Current (Max.)
1.20 to 2.00mm 16.00 to 38.00mm 81 to 351 2.0A

NeoPress Connectors

Modular NeoPress High-Speed Mezzanine System enables design flexibility on space-constrained PCBs with tunable differential pairs, low stack heights and compliant-pin terminations while offering data rates up to 28Gbps.
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NeoPress Connectors
Pitch Mated Height Circuits Current (Max.)
3.50mm  9.00 to 45.00mm Customizable 8.0A per triad

1.00mm Mezzanine (IEEE 1386) Connectors

A qualified PMC IEEE 1386 standard connector that provides a rugged housing and protected pin interface for reliable signal transmission, a slim-body housing that minimizes airflow obstruction and the versatility to be arrayed to increase circuit size.

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1.00mm Mezzanine (IEEE 1386) Connectors
Pitch Mated Height Circuits Current (Max)
1.00mm 8.00 to 15.00mm 64, 84 2.5A

Datasheets and Guides