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. The TO-263 is designed by Motorola.[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. The TO-263 can have 3 to 7 terminals.[1][2]

  • A pair of MOSFETs in the surface-mount package D2PAK.
    A pair of MOSFETs in the surface-mount package D2PAK.
  • A TO-220 package compared to a D2PAK package.
    A TO-220 package compared to a D2PAK package.
TO-263AA front view
TO-263AA back view
3D model of TO-263AA package

Dimensions
Dimensions of the TO-263-3 (TO-263AA) package in mm.[3]

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.[2][5]

See also

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.
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