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  For   AC DC power adapter   of information technology products, IEC62368 (referred to as 62368) and IEC60950 (referred to as 60950) requirements are different and the same: ​ 1. The 62368 fireproof shell requires v-0 grade, while the 60950 requires at least V-1 grade. This is because the general primary circuit will be defined as the PS3 circuit, which also belongs to the arc PIS and resistible PIS, so the fire protection shell needs to be isolated from the PIS circuit by 13mm and 5mm.  But the general power supply is unable to achieve, so the shell fire rating will be required v-0 level. 2, the internal PCB board, fire rating of at least V-1 grade, 62368 and 60950 requirements are the same. The horizontal and vertical combustion tester produced by  Shenzhen Yunsheng High Tech Electronics Co., Ltd.  can be used for V-0 fire rating test and V-1 fire rating test.

  On 10th August 2021,HUAWEI discloses a patent named A power adapter and its production method,patent no. is CN113242670A. It refer to a kind of power adapter and its production method. This power adapter including housing,PCBA and primary cooling unit.The housing has accommodation space inside,there is a line interface the first end,and a power connector on the second end of the housing. The circuit board assembly is set in the accommodating space, and the circuit board assembly is electrically connected to the circuit interface and the power connector. Theprimary cooling unit is covered on the circuit board assembly, and there is a gap between the primary cooling unit and the inner wall of the housing. According to information, by using this structure, air space will be generated between the primary cooling unit and housing, which increased the thermal resistance between circuit board assembly and housing,The speed of heat transfer from the heating component of the circuit board ass

  As a 21-years-professional   power adapter manufacturer ,we always keep investing huge resources into our new products development. After 2 months' hard work,our latest   60W wall mount power adapter   are finally ready to meet you in the market! ​ This is our private mold for housing,simple but elegant. For specification,it was perfectly working all range of voltage,from 100V-240V input voltage, output voltage from 5V-48V. Output current from 0.01A-5000MA,total power 60W max. For certificate,we have IEC62368 and IEC61558 for our new 60W wall mount adapter. Welcome to inquire.

  The   non-woven fabric   is moisture-proof, breathable and flexible, so that the non-woven fabric can be closely combined with the waterproof coating. At the same time, the more important usage of non-woven fabrics on waterproofing is to strengthen and resist tensile cracking. The non-woven fabric used in the waterproof construction process is also used as reinforcement to strengthen the tensile properties of the paint coating, so that the waterproof coating can be formed as a whole, so as to prevent water leakage. In order to make the waterproof coating better resist the intrusion of water, people invented the waterproof coating materiel, and in order to better exert the tensile crack resistance of the waterproof coating, non-woven fabrics are used as reinforcement. Usually  PP non-woven fabric ,  PET non-woven fabric  will be fit for the waterproof construction. If you want to know more about them, please contact us.