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The Double Decawatt Package, D2PAK, SOT404 or DDPAK, standardized as TO-263, is a semiconductor package type intended for surface mounting on circuit boards. The TO-263 is designed by Motorola. They are similar to the earlier TO-220-style packages intended for high power dissipation 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. The TO-263 can have 3 to 7 terminals.

• A pair of MOSFETs in the surface-mount package D2PAK.
• A TO-220 package compared to a D2PAK package.

Dimensions

Variants

Texas instruments has a smaller version of the TO-263: the TO-263 THIN. The height of the TO-263 THIN is 2 mm instead of the standard 4.5 mm.

See also

• TO-220, through hole version of the TO-263

References

1. ^ "D2PAK or DDPAK - Double Decawatt Package". eesemi.com. Retrieved 2021-06-29.
2. ^ "TO-263 Component Package". blog.mbedded.ninja. 2015-04-07. Retrieved 2021-06-29.
3. ^ "TO-263 Standard". JEDEC. Retrieved 2021-06-29.
4. "D2PAK (TO-263) MOSFET Power Discrete". Amkor Technology. Retrieved 2021-06-29.
5. "AN-1797 TO-263 THIN Package" (PDF). Texas instruments (pdf). Retrieved 29 June 2021.

External links

• Package information from Fairchild
• Mechanical drawings from National Semiconductor
• Mechanical drawings of D2PAK from ON Semiconductor

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