HRS DF9 Series DF9-25P-1V board to board plug connector is an electrical connector designed to establish connections between two printed circuit boards (PCBs) while being oriented in a horizontal or right-angle configuration. In other words, the connector allows for the boards to be connected side by side, with one PCB positioned horizontally and the other positioned vertically.

What is HRS DF9 Series DF9-25P-1V board to board plug connector ？

HRS DF9 Series DF9-25P-1V board to board plug connector contact spacing is 1mm, stacking height is 4.3mm, compliant with VESA FPDI-1 standard interface, suitable for LCD displays. This connector adopts SMT surface mount technology and has multiple pin numbers to choose from, including 9-51 pins. The mating area of its shell is trapezoidal, which can prevent incorrect insertion, and is equipped with a simple lock that can provide consistent and clear tactile feedback during mating, ensuring that the connector is fully engaged and guaranteeing the reliability of electrical and mechanical connections.

◦ Anti accidental insertion design: The mating area of the shell is trapezoidal, which can prevent incorrect insertion.
Locking mechanism: Equipped with a simple lock, it can provide consistent and clear tactile sensation when matched, ensuring that the connector is fully engaged and guaranteeing the reliability of electrical and mechanical connections.
• Technical parameters:
Rated current: 0.5A.
Rated voltage: 250V AC.
Contact resistance: not explicitly mentioned.
Operating temperature range: -40 ℃ to+85 ℃.
◦ Insertion and removal times: Tin plated contacts are 30 times, and gold-plated contacts are 100 times.
Product types: including surface mount, vertical board to board plugs and sockets, providing parallel connection methods.
Application areas: Suitable for LCD displays, POS terminals, measuring devices, and many other handheld devices in portable devices.
Model example: such as HRS DF9 Series DF9-25P-1V board to board plug connector  , 31 pin, SMT installation type, combination height of 4.3mm.

HRS DF9 Series DF9-25P-1V board to board plug connector is used in various fields, and I will list them as follows：

1.Consumer electronics: LCD display connections for devices such as mobile phones and laptops can achieve signal transmission between the display screen and the motherboard.
Display device: Suitable for flat panel displays, HD TVs, etc., it complies with the VESA FPDI-1 standard interface and can ensure stable transmission of display signals.

2.Industrial control: In industrial automation production lines, some measuring equipment, control equipment, etc. may use HRS DF9 Series DF9-25P-1V board to board plug connector to connect circuit boards and ensure stable operation of the equipment.
Commercial equipment, such as POS terminals, connects internal circuits through HRS DF9 Series DF9-25P-1V board to board plug connector  to ensure the normal operation of the equipment during commercial transactions.

3.Automotive electronics: Some display screens, in car electronic devices, etc. in automobiles require high reliability of connectors, and HRS DF9 Series DF9-25P-1V board to board plug connector can meet the connection needs of some automotive electronic devices.

The protection of HRS DF9 Series DF9-25P-1V board to board plug connector can be addressed from the following aspects:

• Preventing accidental insertion and mechanical damage: The mating area of HRS DF9 Series DF9-25P-1V board to board plug connector is trapezoidal and has an anti accidental insertion design. When inserting, ensure the correct direction to avoid pin bending or damage caused by forced insertion. At the same time, metal fixing brackets can be used to secure the connector to the circuit board to prevent solder joints from peeling off due to mechanical stress. Models with guide posts can also be selected to maintain the accurate position of the connector during welding or manual placement.

• Avoid electrical performance degradation: In high-frequency communication or high-power applications, attention should be paid to matching the contact resistance and rated current to avoid overheating or signal attenuation. HRS DF9 Series DF9-25P-1V board to board plug connector with gold-plated contacts can be selected, and the contact surfaces should be cleaned regularly to prevent oxidation and contamination, ensuring good electrical connection performance.

• Coping with harsh environments: If HRS DF9 Series DF9-25P-1V board to board plug connector are used in harsh outdoor or industrial environments, products with corresponding protection levels, such as IP67 or higher protection level connectors, can be selected to enhance waterproof and dustproof capabilities. In addition, metal shells and conductive gaskets can be used to provide additional electromagnetic interference resistance for connectors.
Proper operation and maintenance: When performing connector wiring operations, it is necessary to terminate according to the corresponding contact numbers to ensure correct wiring. Before HRS DF9 Series DF9-25P-1V board to board plug connector is locked, it is forbidden to power on the connector. The plug/socket should be used in conjunction with the matching type of plug/socket to avoid using non matching plugs/sockets or other testing tools to plug in, in order to avoid product damage.

When using HRS DF9 Series DF9-25P-1V board to board plug connector ,please pay attention to thr following points ：

Matching: Male and female connectors should be matched with each other, including size, shape, pin arrangement, etc. It is recommended to choose products from the same manufacturer, such as HRS DF9 Series DF9-25P-1V board to board plug connector , which should be used with plugs and sockets of the same series.

Installation and welding: During installation, the correct operation method should be followed for plugging and unplugging to avoid forced plugging and unplugging. Pay attention to the insertion and removal direction of the connector. The mating area of its housing is trapezoidal to prevent incorrect insertion. Accurate reflow soldering temperature curve should be used during welding to avoid damaging the plastic shell or affecting the contact performance due to high temperature. After welding, it is necessary to wipe off the welding residue with alcohol or acetone or other reagents.

Electrical performance matching: In high-frequency communication or high-power applications, attention should be paid to the matching of contact resistance and rated current to avoid overheating or signal attenuation.HRS DF9 Series DF9-25P-1V board to board plug connector with gold-plated contacts can be used to ensure good contact and low contact resistance.

Usage environment: Choose the appropriate protection level HRS DF9 Series DF9-25P-1V board to board plug connector according to the usage environment. For example, in outdoor or industrial environments, high IP level products can be selected to enhance waterproof and dustproof capabilities. At the same time, it is necessary to avoid long-term overload use of connectors in harsh environments such as high temperature, high humidity, and vibration.

Daily maintenance: Regularly check the plugins, including appearance inspection, connection performance inspection, etc., and promptly handle any problems found. In some situations where static electricity is sensitive, static electricity protection measures should be taken, such as using anti-static wristbands, anti-static pads, etc.

Safe operation: When wiring HRS DF9 Series DF9-25P-1V board to board plug connector , be sure to terminate them according to the corresponding contact numbers. Before the connector is locked, it is forbidden to power on the connector. The plug/socket should be used in conjunction with the matching type of plug/socket to avoid using non matching plugs/sockets or other testing tools to plug in, in order to avoid product damage.

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