与PCB板的焊盘来进行的。因此,在整流桥的损耗不大,并用自然冷却方式进行散热时,
我们可以通过增加与整流桥焊接的PCB表面的铜覆盖面积来改善其整流桥的散热状况。
同时,我们可以根据上述的两条传热途径得到整流桥内二极管结温到周围环境间的总热阻,即:
其实这个热阻也就是生产厂家在整流桥等元器件参数表中的所提供的结—环境的热阻。并且在自然冷却的情况
三社达林顿
SQD200A60
SQD300A60
SQD300BA60
SQD400BA60
SQD35JA140
SQD35JA160
SQD50AB100
SQD65BB75
SQD70BB90
SQD200AA100
SQD200AA120
SQD300AA100
SQD300AA120
SQD400AA100
SQD400AA120
QCA30AA100
QCA30AA120
QCA30B60
QCA50AA100
QCA50AA120
QCA50B60
QCA75A60
QCA75AA100
QCA75AA120
QCA75BA60
QCA100A60
QCA100AA100
QCA100AA120
QCA100BA60
QCA150A60
QCA150AA100
QCA150AA120
QCA150BA60
QCA200A60
QCA200AA100
QCA200AA120
QCA200BA60
QCA300BA60
QCB30A60
QCB50A60
QCB75A60
QBB100A60
QBB150A60
QAE75AA60
QF15AA60
QF30AA60
QF20AA60
QF50AA60
MQG100H100
三社整流桥
DF20DB80
DF20BA40
DF20BA80
DF20AA120
DF20AA160
170M4059 170M4060 170M4061 170M4062 170M4063 170M4064 170M4065 170M4066 170M4067 170M4068 170M4069 170M4108 170M4109 170M4110 170M4111 170M4112 170M4113 170M4114 170M4