If you are looking for a good pcb terminal blocks manufacturers,you may considering
the variety kinds of terminal block :Pluggable Terminal Blocks, Screw Terminal Blocks , Barrier Terminal Blocks , and Screwless Terminal Blocks.Now let's talk about the Differences Between them.
Pluggable Terminal Blocks:Normally it has two parts ,male parts and female parts,and these two
parts can be pluggable. The male parts for welding to the pcb board,the female parts is for connecting wire.And other kinds of terminal block only one part. And for the pitch ,it has
2.5,3.5,3.81,5.0,5.08,7.5,7.62mm pitch,for the pole,it has from 2pole to 24pole, and many customer will choose 5 position terminal block .
Screw Terminal Blocks: the most traditional and common type of terminal block,By rotating the screw,the downward pressure of the screw compresses the wire tightly into the conductive slot,achieving electrical connection.
Barrier Terminal Blocks :it can be seen as a "reinforced version of screw terminal block".Its structural feature is the presence of on or more raised metal barriers that separate the wiring holes,increase the creepage distance,and provide stronger wire clamping space.
Screwless Terminal Blocks:means no screws,use the continuous pressure of the spring to clamp the wire.When wiring,a straight handle screwdriver is usually used to insert and push open the spring,then insert the wire,and after pulling out the screwdriver,the spring returns to its original position to tightly clamp the wire,
Suggestions:
1.Need frequent plugging and modular maintennance----choose Pluggable Terminal Blocks
2.limited budget,universal application,and no worries about vibration and wiring speed----choose Screw Terminal Blocks
3.Dealing with high voltage and high current,with extremely hight requirements for safety and reliability-------choose Barrier Terminal Blocks
4.Pursuing the highest wire efficience,with scenarios mostly iinvolving small and medium currents,and hoping for good vibration resistance----Screwless Terminal Blocks
The main material composition of PCB (Printed Circuit Board) wiring terminals can include the following aspects:
NingBo HongYi PCB TERMINAL BLOCK Conductive material: Conductive material is used for the conductive part of 5 position terminal strip to transmit current and signals. Common conductive materials include brass and phosphor bronze. terminal block 4 position have good electrical conductivity and mechanical strength, making them suitable for electrical connections.
NingBo HongYi PCB TERMINAL BLOCK Insulation material: Insulation material is used for the insulation part of wiring terminals to isolate and protect conductive parts. Common insulation materials include engineering plastics such as nylon, polyamide, etc., which have good insulation and mechanical properties.
NingBo HongYi PCB TERMINAL BLOCK Surface treatment: In order to improve the conductivity and anti-corrosion performance of the 5 pin terminal block connector, it is often necessary to perform surface treatment on the conductive parts. Common surface treatment methods include gold plating, tin plating, and nickel plating to increase the conductivity and corrosion resistance of pluggable terminal block 4 pin.
NingBo HongYi PCB TERMINAL BLOCK Auxiliary materials: During the manufacturing and assembly process, some auxiliary materials such as insulation capsules, fixing screws, springs, etc. are also used to enhance the functionality and installation reliability of the 5 pin terminal.
It should be noted that different application areas and manufacturers may use different material combinations and manufacturing processes to meet specific requirements and standards. Therefore, in practical applications, the material composition of specific 5 pin screw terminal connector may vary.
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