From 60-Pin to 200-Pin: The Versatility of the LFH Connector

From 60-Pin to 200-Pin: The Versatility of the LFH Connector

In the world of advanced electronics, maximizing I/O capability in a minimal amount of space is a constant engineering challenge. This is where the Low-Force Helix, or LFH connector, provides an exceptional solution. Designed for high-density applications, this connector uses a unique helical contact design that allows for a high pin count in a compact form factor while maintaining a low insertion and extraction force, preventing damage to the PCB and the connector itself. Ideal for switch C-modules, data acquisition cards, and test and measurement equipment, the LFH connector is an elegant piece of engineering that enables complex, multi-signal connections without sacrificing board real estate or mechanical reliability.

Get A Quote

10-Year R&D Excellence

Founded in 2010, Kinkuo has a decade-long track record of innovative connector and cable design for industrial automation and high-end applications.

Wide-Ranging Expertise

Core portfolio spans double-shielded signal cables, 10-million-cycle drag-chain cables, industrial camera & network harnesses, oil-resistant assemblies, and complete SCSI/VHDCI/D-SUB/USB 3.0 connector lines.

Global Brand Trust

Long-term preferred supplier to renowned customers across Japan, Taiwan, Europe, the Americas, and Mainland China, attesting to consistent quality and reliability.

Tier-1 Supply Chain Access

Authorized distributor of Amphenol’s latest high-speed interconnect portfolio (SFP, QSFP-DD, OSFP, SlimSAS, Gen-Z, etc.), enabling turnkey, future-proof solutions.

about us

We Have The Best Solutions for Your Business

Company Profile
 
KINKUO ELECTRONICS CO.,LTD【KINKUO AISA LIMITED】was established in 2010. It is a professional industrial connector R&D/manufacturing/sales factory. The products are mainly used in industrial automation/manipulator/servo Motor/machine tool equipment/automobile/medical field. Since its establishment, it has adhered to the consistent innovative research and development spirit and insisted on perfect quality. Over the years, it has been continuously supported by many well-known brands in Japan, Taiwan, Europe, America and mainland China.
KinKuo's key products include:
1. Cable Ass'y  products: double shielded signal control Cables (SCSI, VHDCI, D-SUB, USB, LFH, SDR), Ten million times drag chain line, industrial camera wiring harness, industrial network cable, mechanical equipment oil resistant wiring harness, customized various specifications Cable research and development, assembly.
2. Connector products: SCSI, VHDCI, D-SUB, LFH, USB 3.0, servo motor peripheral series connectors.
3. Brand agent:  Amphenol (SFP, SFP28, QSFP, QSFP28, QSFP-DD, OSFP, CFP2, CFP4, MiniSAS HD, SlimSAS, PCIeSAS, Oculink, MCIO, Gen-Z)
Attentive service, perfect quality!
Learn More

My current high-density connector is too hard to plug in and out. Is there a better option?

If your technicians or customers are struggling with the high mating force of a traditional high-pin-count connector, you are risking damage to your equipment and creating a poor user experience. There is a much better option: the LFH connector. Its name—Low-Force Helix—says it all. The unique design of its contacts allows it to be mated and unmated with a fraction of the force of a comparable pin-and-socket connector. At KinKuo, we manufacture LFH connector solutions that are a perfect upgrade for these situations. By redesigning your I/O to use an LFH, you can provide a connection that is not only dense and reliable but also easy and safe to use, improving serviceability and overall product quality.

I need a quote for an LFH-200 connector assembly. What information do you need?

To provide you with a fast and accurate quote for a custom LFH-200 connector assembly, we need a few key pieces of information. First, we need the pinout: a wiring diagram or "from-to" list that specifies which pin on the LFH-200 connects to which pin on the other end(s) of the cable. Second, we need to know the desired connector(s) for the other end of the cable (e.g., screw terminals, D-SUBs, etc.). Third, tell us the overall length of the cable and the lengths of any individual breakout branches. Finally, let us know any special requirements for the cable itself (e.g., does it need to be shielded, high-flex, or have a specific color?) and your estimated order quantity. With this information, the team at KinKuo can provide you with a comprehensive and competitive quote for your custom LFH connector assembly.

The LFH connector on my equipment is obsolete. Can I get a replacement made?

Yes. It is a common problem for long-life equipment that the original component manufacturer may discontinue a specific part. If you have a critical piece of equipment that relies on an obsolete LFH connector or cable assembly, you are not without options. KinKuo offers a reverse-engineering service to solve this exact problem. We can take your existing "golden sample" part, perform a detailed analysis of its construction, pinout, and materials, and create a new manufacturing plan to produce a form, fit, and function identical replacement. This service can be a lifeline, saving you from a costly equipment upgrade by allowing you to continue supporting your valuable legacy systems. Before you give up on a piece of equipment due to an obsolete LFH connector, contact KinKuo.

How can I ensure the signal quality when using a high-pin-count LFH connector?

Ensuring signal quality in any high-density connector requires a focus on good design principles. The LFH connector itself helps by incorporating a ground plane in many designs, which provides a low-inductance reference for the signals. When you partner with KinKuo to create a cable assembly, we can take this a step further. To maximize signal quality, we can build your breakout cable using individually shielded twisted pairs for your sensitive or high-speed signals. This ensures that each signal is protected from interference from its neighbors (crosstalk) and from external noise (EMI). By combining the well-designed LFH connector with a high-quality, properly shielded cable construction from KinKuo, you can be confident in the integrity of every one of your data channels.

User Reviews

What users say about KinKuo

DCFUSELINK's M8/M12 cables banished our downtime nightmares; IP67 shielding killed moisture & EMI, while snap-lock saved hours, boosting our SMT line uptime 99.2%.

Alex

Swapping to DCFUSELINK's servo harnesses ended ghost faults; oil-proof jacket & flex>10M cycles keep robots flawless, cutting maintenance budget by 28%.

Lisa

Their fast QSFP28 stock+same-day ship solved urgent 40G upgrade; plug-and-play links hit 100G flawlessly, saving our data-center rollout deadline.

Mike

DCFUSELINK's custom camera cable shaved 30% install time; micro-coax clarity tripled vision accuracy, letting us slash defect rate under 50 ppm easily.

Chen
Frequently Asked Question

Do you have any question?

A reliable manufacturer is critical when sourcing an LFH connector due to its complexity and fine pitch. A high-quality manufacturer ensures that the delicate helical contacts are formed with precision, that the insulator body is made from high-performance materials, and that the entire assembly is tested to guarantee that all pins are correctly terminated. This prevents frustrating intermittent connection issues that can be caused by a poorly made connector.

An LFH-60 connector is a specific variant of the Low-Force Helix family that features 60 pins. It is commonly used on professional data acquisition cards and some networking equipment. A breakout cable with an LFH-60 on one end is often used to provide multiple standard serial or digital I/O ports for the device.

 

Yes, absolutely. A key service from a specialist manufacturer like KinKuo is the ability to create a custom cable assembly built around an LFH connector. This can involve creating a breakout cable that transitions the high pin count of the LFH into multiple other connector types (like D-SUBs or discrete wires), using specific cable types for flexibility or shielding, and building it to your exact required length.

An LFH connector is distinct from VHDCI or SCSI connectors primarily in its contact design and purpose. While all can be used for data, the LFH is specifically optimized for high-density, low-force board-to-cable connections with a ground plane for signal integrity. VHDCI and SCSI are typically used for high-speed peripheral bus connections and have a different contact arrangement and mechanical design.

LFH connector is typically used in applications that require dense I/O, such as networking hardware like switches and routers (especially for C-modules), data acquisition (DAQ) devices, test and measurement equipment, and medical imaging systems. Its compact size makes it ideal for devices where multiple signal lines need to be brought in and out through a small panel space.

The main advantage of an LFH connector is its ability to provide a very high number of connections (often 60, 160, or even 200 pins) in a compact physical footprint. Its low-force helix contact design also means it requires significantly less force to mate and unmate compared to other high-pin-count connectors, which reduces mechanical stress on the board and ensures a long service life.

Our updates and blog posts

Servo Connector Mastery: How KinKuo’s Servo Connector Range Eliminates Downtime and Future-Proofs Motion Systems

Explore KinKuo Servo Connector solutions—IP67, 10 M flex, same-day ship. Cut downtime and future-proof motion systems today.

VHDCI Connector Deep Dive: How KinKuo’s VHDCI Connector Range Delivers 68-Pin Density with Zero Signal Loss

Explore KinKuo VHDCI Connector solutions—0.8 mm pitch, 500 V, RoHS. Cut space and boost speed with proven VHDCI Connector today.

SCSl Connector Deep-Dive: How KinKuo’s SCSl Connector Portfolio Delivers 68-Pin Density with Industrial-Grade Reliability

Explore KinKuo VHDCI Connector solutions—0.8 mm pitch, 500 V, RoHS. Cut space and boost speed with proven VHDCI Connector today.

Our updates and blog posts

Servo Connector Mastery: How KinKuo’s Servo Connector Range Eliminates Downtime and Future-Proofs Motion Systems

Explore KinKuo Servo Connector solutions—IP67, 10 M flex, same-day ship. Cut downtime and future-proof motion systems today.

VHDCI Connector Deep Dive: How KinKuo’s VHDCI Connector Range Delivers 68-Pin Density with Zero Signal Loss

Explore KinKuo VHDCI Connector solutions—0.8 mm pitch, 500 V, RoHS. Cut space and boost speed with proven VHDCI Connector today.

SCSl Connector Deep-Dive: How KinKuo’s SCSl Connector Portfolio Delivers 68-Pin Density with Industrial-Grade Reliability

Explore KinKuo VHDCI Connector solutions—0.8 mm pitch, 500 V, RoHS. Cut space and boost speed with proven VHDCI Connector today.

Get In Touch

Don't hesitate to contact with us

Sending your message. Please wait...