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MOLEX 51021 Series Premium Micro-connector Cables

MOLEX 51021 Series Premium Micro-connector Cables

The MOLEX 51021 Series Connection Cable is a high-performance micro-connector solution engineered for compact and space-constrained electronic assemblies, the MOLEX 51021 cable supports precise customization in wire gauge, length, and connector configuration to match demanding OEM/ODM requirements. Utilizing UL94V-0 flame-retardant PBT housing materials, this cable fully meets ROHS and UL compliance standards, ensuring both safety and environmental responsibility.
The standard Molex 51021 receptacle housing ensures secure mating and reliable electrical contact, making it ideal for critical data and power transmission in compact devices.

  • Product Details

MOLEX 51021 Series Premium Micro-connector Cables

 

Premium micro-connector solution based on the Molex 51021 series, designed with eco-friendly PBT UL94V-0 materials and fully compliant with ROHS/UL standards. Supports 28–32AWG wire customization, replaceable housings, and low MOQ. Ideal for compact electronic modules including displays, cameras, sensors, and portable industrial devices—ensuring stable signal and power transmission even in space-constrained environments.

 

 

4pin MOLEX 51021 Connector Cable

Product Overview

Wire Gauge: 28-32AWG (customization available)
Connector Type: Molex 51021 receptacle housing
Length & Dimensions: Produced according to exact customer specifications
Color & Appearance: Standard white housing, wire color customizable

 

Molex 51021 Connector Cable Wiring

Material and Quality

Material Standard: PBT UL94V-0, compliant with ROHS & UL safety standards
Manufacturing Process: Fully automated stripping → precision crimping → visual inspection
Performance: Ensures stable current and signal transmission in high-density electronic systems

 

Molex 51021 Cable Assembly

Packaging and Delivery

Default Packaging: Anti-static bag + foam wrap + cable ties
Customized Packaging: Labeling and internal packaging based on client requirements
Shipping Methods: Express (DHL/UPS), sea freight, air freight
Lead Time: Varies by quantity and complexity of order
MOQ: Based on wiring drawings or BOM requirements

 

Typical applications

Core Applications
Consumer Electronics: Wearable devices / wireless headphones / Bluetooth modules

Computing Devices: Laptops / SSD / HDD interconnects

Industrial Systems: Compact controllers / sensor modules

Medical Electronics: Diagnostic tools / portable monitoring units

Innovative Uses
• Smart home control modules
• Compact camera modules
• Foldable phone circuit stacking

 

Specifications

MOLEX 51021 Connector Cable Specifications

 

 

 

Why choose us?

  • # Over 25 Years of Manufacturing Experience
    Founded in 1997, we have been dedicated to wire harness production for more than two decades, serving clients across multiple industries with stable supply and proven technical capability.
  • # Certified Quality Management Systems
    Our operations are ISO 9001 and IATF 16949 certified, and we obtained UL certification in 2012. These international standards reflect our long-standing commitment to product quality and safety.
  • # Strong Track Record of Continuous Improvement
    From our initial ISO 9001:2008 certification to the successful renewal of ISO 9001:2015 and IATF 16949 in 2024, we continue to upgrade our processes to meet evolving market and customer requirements.
 

 

FAQ

Q1: Can wire gauge and length be customized?
A1: Yes, full customization available: wire size, connector pins, housing color, and more.

Q2: What certifications does this product meet?
A2: Products meet UL and ROHS standards; factory certified under ISO 9001 & IATF 16949.

Q3: What are the key application industries?
A3: Consumer electronics, IoT hardware, industrial controls, and medical electronics.

Q4: Do you support OEM or ODM services?
A4: Yes, with over 25 years of experience from design to full production.

Q5: What’s the delivery lead time?
A5: Normally 5-15 working days depending on order specs.

Q6: What packaging and shipping options are available?
A6: Standard export packaging with global shipping support.

Q7: What’s the minimum order quantity?
A7: MOQ depends on design and wiring requirements.

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Shenzhen Era WingShing Electronics Co., Ltd. was established in 1997. It is a private enterprise integrating scientific research, production and sales. It focuses on the research and development, production and sales of UL electronic wires, terminal wires, automotive wiring harnesses, medical wiring harnesses, USB cables and other electronic wire products, and maintains long-term strategic partnerships with JST, MOLEX, TE, Sumitomo and other electronic cable brand manufacturers. With stable production capacity and skilled workers, it has a large sales team and a strong production team, as well as high-quality and high-yield fully automatic production equipment.

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