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Custom JST Cable Manufacturer

Custom JST Cable
Custom JST Cable

JST (Japan Solderless Terminal) cables are essential for secure and efficient electrical connections in the electronics, automotive, and robotics industries. Compact and reliable, they ensure seamless power and signal transmission.

As a leading manufacturer of custom JST cables, Romtronic delivers high-performance cable assemblies engineered for superior connectivity and rigorously tested for exceptional reliability. Our custom JST cables are the ideal solution for your project, whether for electronics, automotive, or industrial applications.

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Why choose customized JST cables?

Off-the-shelf JST cables may not always meet the unique requirements of your project. That’s where customized JST cables come in. Whether you require specific wire lengths, unique connector configurations, or enhanced durability in harsh environments, we can provide a customized solution tailored to your needs.

Here are our custom JST cables:

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Our JST Cable Manufacturing Process

Terminal Crimp Cross Section
Terminal Crimp Cross Section

At Romtronic, we follow a meticulous manufacturing process to ensure top-tier quality and performance:

  1. Material Selection – We use high-quality wires and durable JST connectors to ensure longevity and reliability.
  2. Precision Cutting & Stripping – Advanced machinery ensures each wire is cut and stripped accurately.
  3. Crimping & Soldering – We utilize automatic hand-soldering techniques to ensure secure and stable connections.
  4. Overmolding (Optional) – For added durability and protection against wear, we offer overmolding options.
  5. Quality Testing – Every cable undergoes rigorous testing to ensure it meets electrical and mechanical standards before shipment.

Advantages of Our Customized JST Cables

  1. Tailored to Your Needs – Choose your desired wire gauge, length, and connector type.
  2. Superior Durability – Built to withstand mechanical stress, moisture, and extreme temperatures.
  3. High Precision & Reliability – Ensures consistent power and signal transmission with minimal resistance.
  4. Cost-Effective Solutions – Optimized for efficiency without compromising quality.

JST Cable Interface Types

JST connectors come in various types to suit different applications. Some of the most common include:

  • JST PH Series – 2.0mm pitch, commonly used in small electronic devices.
  • JST XH Series – 2.5mm pitch, ideal for power supply applications.
  • JST VH Series – 3.96mm pitch, suitable for high-current connections.
  • JST SH Series – 1.0mm pitch, compact, and used in precision applications.

Testing Standards for JST Cables

We ensure our custom JST cables meet industry standards through rigorous testing:

  • Continuity Testing – Ensures proper electrical connection.
  • Pull Force Testing – Verifies crimping strength.
  • High-Voltage Testing – Assesses insulation resistance and dielectric strength.
  • Environmental Resistance Testing – Evaluates performance under humidity, temperature fluctuations, and vibrations.
Reliability test report
Our reliability test reports

Pros and Cons of JST Cables

Advantages

✔ Compact and lightweight design
✔ Secure locking mechanism for stable connections
✔ Available in various pitches and configurations
✔ Cost-effective for mass production
✔ Compatible with automated assembly processes

Disadvantages

✖ Limited current capacity in smaller pitches
✖ Requires precision crimping tools for assembly
✖ Can be challenging to repair or replace if damaged

Frequently Asked Questions (FAQs)

We customize cables with a wide range of JST series connectors including JST-XH, PH, SH, EH, VH, SM, and more. We can also match pin count, pitch, and orientation (top-entry or side-entry) according to your specific requirements.

Yes. We support various wire gauges (e.g., 28AWG to 20AWG) and jacket materials such as PVC, silicone, or Teflon (PTFE), depending on your voltage, current, and environmental needs.

Absolutely. Our JST cables are widely used in battery packs, LED strips, drones, PCBs, and consumer electronics where compact and reliable connections are essential.

Yes. We offer custom lengths, twisted pair, multi-branch harnesses, and bundling options like sleeving, labeling, or cable ties to match your assembly or production setup.

We’re flexible. Whether you need prototype samples or full-scale mass production, we can meet your needs with fast turnaround and consistent quality.

Get in Touch for Custom JST Cable Solutions

Romtronic offers custom JST cable assemblies compatible with a wide range of JST series (e.g., XH, PH, VH, SM, SH, etc.) used in electronics, LED lighting, battery systems, consumer devices, and more. We provide precise pin configurations, wire lengths, and connector types based on your application needs.

To request a quote, sample, or technical support, feel free to contact us through the form on this page or using the details below — our team will respond within 12 hours with expert assistance.

📧 Email: info@romtronic.com
📞 Phone: (+86) 199-2816-5824

Romtronic delivers reliable, custom JST cable solutions trusted by electronics manufacturers around the globe.