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Molex 51021-0400 PicoBlade Housing Diagram
  • Part Name: Male Housing
  • Pitch: 1.25mm
  • Circuits: 6
  • Rows: 1
  • Series: SCT1251
  • Housing Series: SCT1251MH
  • Compatible: 510210600

Molex 51021-0600 PicoBlade 6-Pin Receptacle Crimp Housing: Unlocking Versatile Wire-to-Wire and Wire-to-Board Connections

In the world of electrical connectors and interconnect solutions, precision and reliability are paramount. Molex, a renowned leader in the industry, presents the Molex 51021-0600 PicoBlade 6 pin receptacle crimp housing as a versatile and indispensable component for a wide range of applications. This article explores the features, applications, and advantages of the Molex 51021-0600, making it an ideal choice for your wire-to-wire and wire-to-board connection needs.

Key Features of Molex 51021-0600:

1. Current and Voltage Ratings: The Molex 51021-0600 offers a robust current rating of 2A AC/DC and a voltage rating of 250V AC/DC. This high capacity ensures that it can handle a variety of power requirements, making it suitable for many applications.

2. Reliable Insulation: With an insulation resistance of 100MΩ Min and a withstanding voltage of 500VAC (1Min), this crimp housing provides excellent electrical insulation, reducing the risk of electrical leakage or failure.

3. Low Contact Resistance: The Molex PicoBlade 6 pin receptacle crimp housing boasts a contact resistance of 20mΩ (Max), ensuring minimal power loss and reliable electrical connections.

4. Wide Operating Temperature Range: This crimp housing can withstand temperatures from -40°C to +85°C, making it suitable for both extreme cold and hot environments.

5. Durable Material: The insulator (housing) is made from high-quality Nylon 66 (UL94V-0) in a classic white color. This material not only offers exceptional durability but also meets stringent safety standards.


The Molex 51021-0600 is an incredibly versatile component with a wide range of applications. Here are some of the key areas where it excels:

1. Wire-to-Wire Connections: The Molex 51021-0600, when combined with its counterpart, the PicoBlade 6-Pin Plug Crimp Housing 51047-0600, facilitates seamless and reliable wire-to-wire connections. This is crucial for applications such as automotive electronics, consumer electronics, and industrial control systems.

2. Wire-to-Board Connections: When paired with Molex PicoBlade 6-Pin Through Hole Vertical Headers (53047-0610, 53048-0610), SMD Vertical Headers (53398-0671), or Right-Angle Headers (53261-0671), the Molex 51021-0600 creates robust wire-to-board connections. These connections are commonly found in PCBs, LED displays, and various electronic modules.

Advantages of Molex 51021-0600:

The Molex 6 pin receptacle crimp housing offers several distinct advantages:

1. Reliability: Its high current and voltage ratings, along with low contact resistance, ensure reliable and uninterrupted power connections in critical applications.

2. Versatility: The Molex 51021-0600 can be used in a wide array of applications, offering flexibility and cost-efficiency to engineers and designers.

3. Durability: Its construction with Nylon 66 and a UL94V-0 rating ensures longevity and compliance with safety standards.

4. Temperature Tolerance: With an operating temperature range of -40°C to +85°C, it can perform reliably in extreme environmental conditions.

SCT1251MH-06BWT104 serves as an economically reliable alternative to the Molex 51021-0600, offering an excellent solution for your interconnect needs. With comparable performance and cost-effectiveness, SCT1251MH-06BWT104 is the smart choice for those seeking a dependable substitute while maintaining the desired level of quality and functionality.

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