The Molex 501591-4011 is a Micro-Fit 3.0 header, designed for board-to-wire connections requiring a compact and reliable interface. This header is part of the Micro-Fit 3.0 connector family, known for its small size and high current-carrying capability, making it ideal for densely populated PCBs in various electronic applications. It ensures secure mating and prevents accidental disconnections, contributing to the overall reliability of the system.

Applications:

• Consumer electronics (e.g., TVs, audio equipment)
• Automotive electronics (e.g., infotainment systems, engine control units)
• Industrial automation (e.g., programmable logic controllers, sensors)
• Telecommunications equipment (e.g., routers, switches)
• Medical devices (e.g., patient monitoring systems)
• Data centers and server systems

Features:

• Compact Design: The Micro-Fit 3.0 series offers a small footprint, allowing for high-density packaging on PCBs.
• Positive Locking: Provides secure mating retention, preventing accidental disconnections due to vibration or other external forces.
• Polarization: Ensures proper mating orientation, preventing damage from incorrect connections.
• Durable Material: Constructed from high-quality materials to withstand harsh environments and ensure long-term reliability.
• High Current Carrying Capacity: Capable of handling significant current loads despite its small size.

Benefits:

• Space Saving: The compact size allows for more components on a single PCB, reducing overall system size and cost.
• Reliable Connection: The positive locking mechanism ensures a stable and secure connection, minimizing the risk of signal interruption.
• Easy Assembly: The polarization feature simplifies the assembly process, reducing the likelihood of errors and saving time.
• Versatile Application: Suitable for a wide range of applications due to its compact size and high performance.
• Improved Performance: The high current carrying capacity ensures efficient power delivery, enhancing system performance.

Additional Details:

The Molex 501591-4011 is a 4-circuit header. It is designed for through-hole mounting on PCBs. It is typically used with Micro-Fit 3.0 receptacles. The housing is made from a high-temperature thermoplastic material, allowing for reflow soldering processes. The operating temperature range is typically from -40°C to +105°C. Complies with RoHS requirements.