Place of Origin: | China |
Brand Name: | Upperbond |
Certification: | CE, ISO |
Model Number: | Maker |
Minimum Order Quantity: | 800 pcs |
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Price: | Negotiable |
Packaging Details: | Carton |
Delivery Time: | 5-8 days |
Supply Ability: | 10000 pcs/month |
Payment Terms: | 50% Front Payment | Qty. On Each Machine: | 1 |
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Machine Applicable: | Cigarette Maker | Sample: | Only When Charged |
Sharpened Edge: | None | Position: | Garniture |
High Light: | Cigarette Packer Electric Parts,Super Slim Irfz44ns,Cigarette Packing Machine Electric Parts |
Hauni Max Super Slim Irfz44ns Model Electric Part Of Cigarette Packer
A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. Transistors are one of the basic building blocks of modern electronics. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit.
1. Point-Contact Transistor
In 1948, the point-contact transistor was independently invented by German physicists Herbert Mataré and Heinrich Welker while working at the Compagnie des Freins et Signaux Westinghouse, a Westinghouse subsidiary located in Paris. Mataré had previous experience in developing crystal rectifiers from silicon and germanium in the German radar effort during World War II. Using this knowledge, he began researching the phenomenon of "interference" in 1947.
1. Naming
The term transistor was coined by John R. Pierce as a contraction of the term transresistance. According to Lillian Hoddeson and Vicki Daitch, authors of a biography of John Bardeen, Shockley had proposed that Bell Labs' first patent for a transistor should be based on the field-effect and that he
1. Vacuum Tube
Compared with the vacuum tube, transistors are generally smaller and require less power to operate. Certain vacuum tubes have advantages over transistors at very high operating frequencies or high operating voltages. Many types of transistors are made to standardized specifications by multiple manufacturers.
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