TO-263

The Double Decawatt Package,[1][2] D2PAK, SOT404 or DDPAK, standardized as TO-263,[3] is a semiconductor package type intended for surface mounting on circuit boards.

[1][2] They are similar to the earlier TO-220-style packages intended for high power dissipation[2][4] but lack the extended metal tab and mounting hole, while representing a larger version of the TO-252, also known as DPAK, SMT package.

As with all SMT packages, the pins on a D2PAK are bent to lie against the PCB surface.

[1][2] Texas instruments has a smaller version of the TO-263: the TO-263 THIN.

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