https://community.element14.com/technologies/power-management/w/documents/7559/pageen-USTelligent Community 12https://community.element14.com/technologies/power-management/w/documents/7559/pageThu, 07 Oct 2021 07:52:09 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:222c903f-8cc8-491b-b915-df06f4cf21a6Former Memberhttps://community.element14.com/technologies/power-management/w/documents/7559/page#commentsCurrent Revision posted to Documents by Former Member on 10/7/2021 7:52:09 AM<br /> <p style="margin:0;">想做一个3KW的电源，前端整流想采用两片DSP25-12A（TO247）的来做一个整流桥，在足够大的散热架情况下，会不会比单片整流桥D25X60A（25A 600V）好些？<br /> <br /> PFC初步想采用28070来做，这种功率等级是不是应该每一相都采用双管并联？即总共要4个管子。还是只用一个管子就够了，我选好了管子SWM43NM50ND（37A 500V），这样的管子有必要用两个并联么？谢谢</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: power_supply, power</div>