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Thyristors

A thyristor is a solid-state semiconductor device with four layers of alternating N and P-type material. They act exclusively as bistable switches, conducting when their gate receives a current trigger, and continue to conduct while they are forward biased (that is, while the voltage across the device is not reversed). A three-lead thyristor is designed to control the larger current of its two leads by combining that current with the smaller current or voltage of its other lead - known as its control lead. In contrast, a two-lead thyristor is designed to 'switch on' if the potential difference between its leads is sufficiently large - a value representing its breakdown voltage. Some sources define silicon-controlled rectifiers and thyristors as synonymous. Other sources define thyristors as a larger set of devices with at least four layers of alternating N and P-type material. The first thyristor devices were released commercially in 1956. Because thyristors can control a relatively large amount of power and voltage with a small device, they find wide application in control of electric power, ranging from light dimmers and electric motor speed control to high-voltage direct current power transmission. Thyristors may be used in power-switching circuits, relay-replacement circuits, inverter circuits, oscillator circuits, level-detector circuits, chopper circuits, light-dimming circuits, low-cost timer circuits, logic circuits, speed-control circuits, phase-control circuits, etc. Originally thyristors relied only on current reversal to turn them off, making them difficult to apply for direct current; newer device types can be turned on and off through the control gate signal. A thyristor is not a proportional device like a transistor. In other words, a thyristor can only be fully on or off, while a transistor can lie in between on and off states. This makes a thyristor unsuitable as an analog amplifier, but useful as a switch.

Transistor > Thyristors > Rectifiers

型号 DS 厂牌 批号 数量 地区 采购
BAV99 PDF Rohm - 38869 瑞典 要求报价
BAV99 PDF Rohm - 369 以色列 要求报价

Transistor > Thyristors > FET Transistors > MOSFET

型号 DS 厂牌 批号 数量 地区 采购
SI9933CDY-T1-E3 PDF Vishay - 66385 中国 要求报价

Transistor > Thyristors > Rectifiers

型号 DS 厂牌 批号 数量 地区 采购
BAV99LT1G PDF ONSemi 2011+ 1082 瑞典 要求报价
BAV99LT1G PDF ONSemi 2022+ 60548 奥地利 要求报价
BAV99LT1G PDF ONSemi 2009+ 160 以色列 要求报价
BAV99LT1G PDF ONSemi 200826+ 6455 台湾 要求报价
BAV99LT1G PDF ONSemi 201552 78 美国 要求报价
BAV99LT1G PDF ONSemi - 611818 德国 要求报价
BAV99LT1G PDF ONSemi - 387 美国 要求报价
BAV99LT1G PDF ONSemi 201539 1395 以色列 要求报价
BAV99LT1G PDF ONSemi 2007+ 200 以色列 要求报价
BAV99LT1G PDF ONSemi 2014+ 1490 以色列 要求报价
BAV99LT1G PDF ONSemi 201416 2024 以色列 要求报价
BAV99LT1G PDF ONSemi 2015+ 18925 韩国 要求报价
BAV99LT1G PDF ONSemi - 84 美国 要求报价
BAV99LT1G PDF ONSemi - 1476 日本 要求报价
BAV99LT1G PDF ONSemi 2023+ 300000 中国 要求报价
BAV99LT1G PDF ONSemi - 1279800 英国 要求报价
BAV99LT1G PDF ONSemi - 141100 英国 要求报价
BAV99LT1G PDF ONSemi - 369 以色列 要求报价
BAV99LT1G PDF ONSemi 201117 3000 美国 要求报价
BAV99LT1G PDF ONSemi - 9055 英国 要求报价
BAV99LT1G PDF ONSemi - 103 中国 要求报价
BAV99LT1G PDF ONSemi 2020 2000 法国 要求报价

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