This webpage doesn't work with Internet Explorer. Please use the latest version of Google Chrome, Microsoft Edge, Mozilla Firefox or Safari.
3글자 이상 입력하세요.
The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
3글자 이상 입력하세요.
Download "Chapter I : Basis of Semiconductors" (PDF:894KB)
The contact surface between a p-type and an n-type semiconductor is called a PN junction.
When p-type and n-type semiconductors are bonded, holes and free electrons, which are carriers, are attracted and bound and disappear near the boundary. Since there are no carriers in this area, it is called a depletion layer and it is in the same state as an insulator.
In this state, connecting the “+” pole to the p-type region, connecting the “-” pole to the n-type region and applying a voltage cause electrons to flow sequentially from the n-type to the p-type region. The electrons will first disappear by combining with holes, but excess electrons move to the “+” pole and current will flow.