Special Sun A·H·M TechnologyShanghaiCo.,Ltd.
SPS - ISO Factory for SMD and Through-hole Diodes and Rectifiers Since 2000
Choose high current diode MBR20200CT or MUR2020CT?
Compared with the parameters of MBR20200CT and MUR2020CT, only VF is different. Compared with the parameters of MBR20200CT and MUR2040CT, only VRRM is different. It seems that the difference is not large, but the actual effect is very different. For example, the value of VF, MBR20200CT is 0.93V. MUR2020CT is 1.09V with a difference of 0.16V, don't underestimate this 0.16V, because it will be very hot under high current conditions, when VRRM (reverse withstand voltage) is below 150V, it must be MBR20200CT as the first choice. When VRRM exceeds 180V, and it is used on the primary side of PC power supply, PWM control inverter must choose MUR2040CT, because the advantages and disadvantages of Schottky diodes are particularly obvious: there can be a very low voltage drop, so the efficiency It's high. However, the shortcomings are also obvious. The domestic can only achieve a withstand voltage of about 200V. The restoration of the withstand voltage can be done very high, and it can be more than 1000V casually. However, the VF is relatively high (0.2V difference). As for the problem of severe heat generation, we can add heat sinks or fans, etc.
MBR20200CT Schottky diode ASEMI, electrical parameters are 20A, 200V, TO-220 iron head package, can adapt to the environment with high insulation requirements, stable and excellent electrical performance, the true strength of the industry is Schottky. MBR10100FCT is widely used in small power switching power supply products for rectification and freewheeling.
Other 20A 20V-150V Axial Diodes MBR2020CT MBR2040CT MBR2060CT MBR20100CT MBR20150CY TO220AB can be a perfect choice for switching power supply rectification application too.
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