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The Double Decawatt Package, D2PAK, SOT404 or DDPAK, standardized as TO-263, refers to a
Image:D2PAK.JPG, A pair of
Package information
from
Mechanical drawings
from
Mechanical drawings of D2PAK
from
semiconductor package
A semiconductor is a material which has an electrical conductivity value falling between that of a conductor, such as copper, and an insulator, such as glass. Its resistivity falls as its temperature rises; metals behave in the opposite way. ...
type intended for surface mounting on circuit board
A printed circuit board (PCB; also printed wiring board or PWB) is a medium used in electrical and electronic engineering to connect electronic components to one another in a controlled manner. It takes the form of a laminated sandwich struc ...
s. The TO-263 is designed by Motorola
Motorola, Inc. () was an American multinational telecommunications company based in Schaumburg, Illinois, United States. After having lost $4.3 billion from 2007 to 2009, the company split into two independent public companies, Motorol ...
. They are similar to the earlier TO-220
The TO-220 is a style of electronic package used for high-powered, through-hole components with pin spacing. The "TO" designation stands for "transistor outline". TO-220 packages have three leads. Similar packages with two, four, five or seven ...
-style packages intended for high power dissipation
In thermodynamics, dissipation is the result of an irreversible process that takes place in homogeneous thermodynamic systems. In a dissipative process, energy (internal, bulk flow kinetic, or system potential) transforms from an initial form to ...
but lack the extended metal tab and mounting hole, while representing a larger version of the TO-252
TO-252, also known as DPAK or Decawatt Package, is a semiconductor package developed by Motorola for surface mounting on circuit boards. It represents a surface-mount variant of TO-251 package, and smaller variant of the D2PAK package. It is ofte ...
, 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.
MOSFETs
The metal–oxide–semiconductor field-effect transistor (MOSFET, MOS-FET, or MOS FET) is a type of field-effect transistor (FET), most commonly fabricated by the controlled oxidation of silicon. It has an insulated gate, the voltage of which d ...
in the surface-mount package D2PAK.
Image:TO263 beside TO220.JPG, 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 2mm instead of the standard 4,5mm.See also
TO-220
The TO-220 is a style of electronic package used for high-powered, through-hole components with pin spacing. The "TO" designation stands for "transistor outline". TO-220 packages have three leads. Similar packages with two, four, five or seven ...
, through hole
A hole is an opening in or through a particular medium, usually a solid body. Holes occur through natural and artificial processes, and may be useful for various purposes, or may represent a problem needing to be addressed in many fields of en ...
version of the TO-263
References
External links
Package information
from
Fairchild Fairchild may refer to:
Organizations
* Fairchild Aerial Surveys, operated in cooperation with a subsidiary of Fairey Aviation Company
* Fairchild Camera and Instrument
* List of Sherman Fairchild companies, "Fairchild" companies
* Fairchild Fa ...
Mechanical drawings
from
National Semiconductor
National Semiconductor was an American semiconductor manufacturer which specialized in analog devices and subsystems, formerly with headquarters in Santa Clara, California. The company produced power management integrated circuits, display dr ...
Mechanical drawings of D2PAK
from
ON Semiconductor
onsemi (stylized in lowercase; legally ON Semiconductor Corporation; formerly ON Semiconductor until August 5, 2021) is an American semiconductor supplier company, based in Phoenix, Arizona and ranked #483 on the 2022 ''Fortune'' 500 based on it ...
{{Semiconductor packages
Semiconductor packages