ESQT-128-03-L-D-405

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Introduction

ESQT-128-03-L-D-405 is an electrical connector. It belongs to the family of rectangular connectors - headers, receptacles, and female sockets (called .100 inch headers and receptacles, in short). This kind of connector is mainly used for applications such as printed circuit board (PCB) mounting, power supply, and multiport signal distribution. Because of its convenience and flexibility, it is also widely used in many electronic devices.

Signal Characteristics

The ESQT series connectors have a maximum current rating of up to 1.5 A and voltage rating of up to 250 V. Its housing material is a high-tensile metal alloy, while the terminal material is gold-plated beryllium copper. This combination of materials ensures secure signal transmission, and maximum signal integrity. With a dielectric strength of 2KV AC, high frequency signals can be reliably transmitted.

The odd-numbered positions from 1 to 63 are solderable by resistance soldering. The even-numbered positions from 2 to 64 are equipped with pluggable terminals, and are designed for a maximum insertion force of 0.6 N/pin. Both mounting methods result in secure and reliable connections.

Application Fields

ESQT connectors provide reliable and cost-efficient mounting solutions for a wide range of applications, such as automotive and industrial computer systems, communications equipment, consumer electronics, power supplies, testing equipment, etc. Its secure signal transmission and flexibility make it an ideal choice for data and signal transmission, signal mixing, and multiport signal distribution.

Working Principle

The most important feature of the ESQT connector is that it is a connector with multiple pins. It uses press-fit technology, which is a pressure-based system for fastening electronic components. Pins are held in place by a pressure-filled, spring-loaded plunger that forces a precisely calculated pressure on the contacts. The unique design of the plunger ensures that all pins are firmly in place. When the connector is inserted, it forms a secure connection with a PCB or other flat surface.

The use of an expanded contact area helps prevent damage to the PCB due to vibration and shock. To ensure maximum connection integrity, contacts are bonded to the PCB via ultrasonic welding. The high resistance to shock and leakage contributes to the connectors’ reliable performance and life expectancy.

Conclusion

In conclusion, the ESQT-128-03-L-D-405 connector offers a secure and reliable connection for various applications. Its high-quality materials guarantee shorter wiring, improved signal integrity, and optimum performance. Its press-fit technology ensures that the pins remain firmly in place, and its shape and size provide convenient and flexible mounting solutions. With its wide range of features and benefits, it is a popular choice among users looking for a reliable and cost-efficient connector.

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