Today I'd like to introduce one of the sockets, the dc socket . I believe that the large logarithm must not be too familiar with this, dc socket is widely used in our daily lives, dc socket refers to a power outlet with a computer monitor dedicated power supply, dc socket by horizontal socket, fork type Contact the shrapnel, vertical socket, insulated base, and orientation keyway. The two fork-type contact springs of the dc socket are positioned at the center of the pedestal, forming vertical and horizontal alignment and disconnection. Next, we will go together with Xiaobian. Information about dc sockets .
One, dc socket type
The dc socket is divided into two kinds of packages: SMT chip package, DIP plug-in package.
Second, dc socket model specifications
The dc socket center pin has: 0.5mm/0.7mm/1.3mm/1.65mm/2.0mm/2.5mm/3.0mm. The common dc socket specifications are: 2.35*0.7TVdc plug, 3.0*0.1TV dc plug, 2.5*0.75TVdc plug, 3.5*1.1TVDC plug, 3.2*0.9TV dc plug, 3.5*1.35TV, 2.0*0.6TVdc plug 5.5 *2.1 TVdc plug, 6.5*3.0TVdc plug, 5.5*2.5TVdc plug.
Third, dc socket application
1, audio and video products: MP3, MP4, DVD.
2, digital products: digital cameras, digital cameras, etc.;
3, remote control: vehicle, point roll door, remote control of home security products;
4, communications products: mobile phones, car phones, telephones, building equipment, PDA, etc.;
5, household appliances: TVs, microwave ovens, rice cookers, electric wind, electronic body scales, electronic fat scales, electronic kitchen scales;
6, security products: video walkie-talkie, monitors, etc.;
7, toys: electronic toys, etc.;
8, computer products: cameras, voice recorders, etc.;
9, fitness equipment: running machine, massage chairs, etc.;
10, medical equipment: sphygmomanometer, thermometer, hospital call system.
Fourth, dc socket technical indicators
Contact resistance: Contact Resistance ≤0.03mmΩ
Rated load: Rated Load 30V DC 0.5A
Insulation Resistance: Insulation Resistance ≥100MΩ
Insertion force: Insertion and Extraction Force 3N~30N
Withstand Voltage: Withstand Voltage 500V, AC/min Appliance Life: Life 5000 times
Temperature range: Temperature -40~+70°C
Fifth, how to solder dc socket
The site to be scraped clean, less coated with some solder paste, with 100W soldering iron, mouth blowing, and other colloids melt immediately cooling.
V. dc socket selection
Take "30V/0.5A" as an example to show that the allowable current is 0.5A and the insulation voltage level is 30V.
"0.5A", maximum safe current. If it is more than 0.5A, it will generate heat, oxidize, and malfunction.
30V is the index of insulation material. There is a difference between the two.
Pay attention to the brand benefits, it is recommended to choose a large company's brand products, quality assurance. The appearance of the surface is smooth and without any defects.
Sixth, dc socket eliminates sparks
To use a large current transistor or mos tube, use a relay.
Editor's summary: The above is the introduction of commonly used dc socket types and model specifications, and hopefully it will help those who have this need! For more information, please continue to pay attention to our website, follow-up will show more exciting content. You can also purchase your favorite product on Qijia Mall!
Dc socket
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