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2. List of integrated circuit packaging types - Wikipedia

   en.wikipedia.org/wiki/List_of_integrated_circuit...

   Plastic leaded chip carrier (PLCC): square, J-lead, pin spacing 1.27 mm. Quad flat package (QFP): various sizes, with pins on all four sides. Low-profile quad flat-package (LQFP): 1.4 mm high, varying sized and pins on all four sides. Plastic quad flat-pack (PQFP), a square with pins on all four sides, 44 or more pins.

3. Integrated circuit packaging - Wikipedia

   en.wikipedia.org/wiki/Integrated_circuit_packaging

   Dual in-line (DIP) integrated circuit metal lead frame tape with contacts. Integrated circuit packaging is the final stage of semiconductor device fabrication, in which the die is encapsulated in a supporting case that prevents physical damage and corrosion. The case, known as a "package", supports the electrical contacts which connect the ...

4. Lead frame - Wikipedia

   en.wikipedia.org/wiki/Lead_frame

   Lead frame. A lead frame (pronounced / lid / LEED) is a metal structure inside a chip package that carries signals from the die to the outside, used in DIP, QFP and other packages where connections to the chip are made on its edges. Lead frame for a QFP package, before encapsulation. DIP 16 pin Lead frame, after encapsulation and before cutting ...

5. Electronic packaging - Wikipedia

   en.wikipedia.org/wiki/Electronic_packaging

   Electronic packaging is the design and production of enclosures for electronic devices ranging from individual semiconductor devices up to complete systems such as a mainframe computer. Packaging of an electronic system must consider protection from mechanical damage, cooling, radio frequency noise emission and electrostatic discharge.

6. Flat no-leads package - Wikipedia

   en.wikipedia.org/wiki/Flat_no-leads_package

   Flat no-leads package. 28-pin QFN, upside down to show contacts and thermal/ground pad. Flat no-leads packages such as quad-flat no-leads (QFN) and dual-flat no-leads (DFN) physically and electrically connect integrated circuits to printed circuit boards. Flat no-leads, also known as micro leadframe (MLF) and SON (small-outline no leads), is a ...

7. TO-220 - Wikipedia

   en.wikipedia.org/wiki/TO-220

   The TO-220 is a style of electronic package used for high-powered, through-hole components with 0.1 inches (2.54 mm) pin spacing. The "TO" designation stands for "transistor outline". [2] TO-220 packages have three leads. Similar packages with two, four, five or seven leads are also manufactured. A notable characteristic is a metal tab with a ...