[Senior LED News] Recently, Sensor Electronic Technology (SETI), based in Columbia, USA, began to increase research and development, and on the other hand began to transition its existing production line to mass production. It is said that this will make SETI the first supplier to supply ultraviolet light-emitting diodes with a wavelength less than 365nm in batches. The initial plan is to achieve an annual production capacity of 100 million LEDs.
Since 2004, SETI has provided customers with a range of LED lamps with wavelengths ranging from 240nm to 355nm. The company is currently in the first phase of expansion, mainly to transform the original 15,000 square foot plant into a 20,000 square foot research and development center. In addition, SETI recently purchased a new plant for mass production line construction and plans to expand it into a new 130,000-square-foot facility that will be used primarily for high-volume manufacturing of UV LEDs and construction of new engineering centers. .
TO-220 Transistor Outline Package is a type of in-line package often used in high-power transistors and small and medium-sized integrated circuits.
It not only plays the role of mounting, fixing, sealing, protecting the chip and enhancing the electrothermal performance, but also connects to the pins of the package shell with wires through the contacts on the chip, and these pins pass through the wires on the printed circuit board. Connect with other devices to realize the connection between the internal chip and the external circuit.Because the chip must be isolated from the outside world to prevent impurities in the air from corroding the chip circuit and causing electrical performance degradation. On the other hand, the packaged chip is also easier to install and transport.
TO-220 package is a kind of in-line package that is often used for fast recovery diodes. TO-220AC represents a single tube with only two pins and only one chip inside.
The diodes are packaged in TO-220AC and can be used in switch mode power supplies (SMPS), power factor correction (PFC), engine drives, photovoltaic inverters, uninterruptible power supplies, wind engines, train traction systems, electric vehicles and other fields.
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