Type B is an upgraded version of Type A with a large heat sink. Relative heat dissipation will be better.
The module can be stable long-term work when measured I (Max) = 25A. When using the module, the current should not exceed 25A.
Tip: When using hot bed power greater than 150W, an external high power module is needed.
Carrying below 30A.
If you choose the "China Post Ordinary Small Packet Plus" mode of transportation, , some countries will delay receiving packages for a while. If you cannot accept the delay, then please choose another way to shipping, faster transportation and protection.
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Buying Tip: When you receive the product, the product appears subtle scratches, broken, bent pins, in the case of no effect on the use, I will not accept your controversy, if you do not agree, please do not purchase in my store.