Selected History of Power Switching Devices
{"Image DocumentName": "Selected History of Power Switching Devices", "Image ImageDescription": "1930s: selenium rectifiers Silicon Transistor (BJT) introduced (Bell Labs) 1950s - semiconductor power diodes begin replacing vacuum tubes GE introduces Silicon-Controlled Rectifier (SCR) Reference: N. Holonyak, Jr., The Silicon p-n-p-n Switch and Controlled Rectifier (Thyristor), IEEE Transactions on Power Electronics, vol. 16, no. 1, January 2001, pp Power Electronics.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}