In almost all electrical and electronic products, board-to-board connectors have become a must-have element for connecting components. The connector is not only for the purpose of disassembly, but also provides a carrier for the current and signal for the product. In the process of using connectors, many electronic system designers have had a similar experience: the use of cheap connectors, and ultimately pay a high price, and even regret it. Incorrect selection and use of connectors can result in system failures, product recalls, product liability cases, board damage, rework and repairs, which in turn can result in lost sales and customers. Therefore, in the design of electronic products, it is necessary to select a suitable connector for the electronic device. Otherwise, the situation that a small board-to-board connector makes the whole system inoperable is a feeling of collapse.

When choosing a connector, people first consider the cost control, others are high quality, high stability, and the design features of the connector itself. In order to avoid the electronic designer's underestimation of the importance of the connector in the design process, due to the small loss, the board-to-board connector manufacturers provide some suggestions for everyone:

First: double-bar design ideas
The double-bar design concept in the ERNI connector series is continuous throughout. Visually speaking, the double-bar design can be described as "one arrow and two sculptures". The optimized terminal design accommodates high speed signal transmission and provides higher orientation tolerances. In terms of inductance, capacitance, impedance, etc., the double-rod terminal is designed to be reduced for high-speed applications and optimized for minimum discontinuity. The two-bar design allows multiple connectors to be on a single board without plugging or shorting, and there is no need for a large number of signals on a single connector. The simple two-bar routing saves space, makes the connector smaller, and simplifies the inspection of solder pins. For example, put 12 on a board. It also reduces the cost of rework. Practical applications such as telecommunications terminal user equipment.

Second: high retention surface design
For SMT products, it is generally believed that the retention on the board is very poor. Is the surface-attached PCB retention force lower than the via termination? The answer is: not necessarily. Through design improvement, it can effectively improve the retention of the PCB. If the welding bracket, the surface of the surface of the pin (microporous), the large pad are superimposed on three aspects, the retention force can be improved. In fact, even I/O connectors can use surface mount pins. This can be visually compared to "rooting roots." For example, in the design of X-ray machines, ultrasonic scanners, and robotic Ethernet switches.

Third: rugged design
To determine the robustness of the connector, while allowing the use of flat-plate crimping tools, the plates are attached to the housing for added ruggedness, resulting in a superior manufacturing process and increased throughput. To sum up with one word is "a rock like a rock." Specific applications include positron emission tomography scanners, embedded systems for railway cars, and the like.

Fourth: high current, small pitch design
With the requirements of miniaturization of automotive electronics and consumer electronics, it is necessary to consider the design concept of high current and small pitch.

Fifth: the design of the assembly process without bends
Conventional stamping can cause bending or deforming pins due to improper handling, and the bending process can cause capillary cracks, which is undesirable from long-term products and affects circuit performance and cost. ERNI uses direct stamping of the corners, and the stamped terminals avoid capillary cracks caused by the bending process, ensuring a complete electromechanical connection. The pin coplanarity is 100%, controlled to a tolerance of ±0.05mm. 100% surface mount pin coplanarity inspection ensures the reliability of the board assembly process, ensuring good soldering, improving product quality and reducing cost. And improve the robustness of the right-angle connector, to prevent the connector from being damaged due to improper operation, and it is very appropriate to describe it as "unbreakable". Particularly suitable for inkjet printer controller InterfaceModule module interface.

Sixth: advanced lock design
ERNI uses a double-lock design to meet different needs. The positive lock is designed for powerful vibration applications. It is ideal for automotive and metro applications. The friction lock is designed for general vibration applications. The double-lock double safety fuse ensures a reliable connection and no special tools are required for on-site disassembly (repair/replacement) of the cable. Suitable for monitors, LED lights and other designs. The board-to-board connector plays a role in the whole electronic system design. When selecting electronic components, engineers not only need to pay attention to chip technology, but also pay attention to the choice of peripheral devices, so that the system can run smoothly. , the effect of doing more with less.