PUT

{
  "id": "MLC-T-IND-004595",
  "term": "PUT",
  "field": "Industrial and trades",
  "definition": "A three-terminal semiconductor device that functions as a voltage-controlled switch, similar to a unijunction transistor (UJT) but with external resistors to set its intrinsic standoff ratio. It turns on when the anode voltage exceeds the gate voltage by a certain threshold. PUTs are commonly used in relaxation oscillators and timing circuits.",
  "expansions": [
    "programmable UJT"
  ],
  "subject": "Energy and utilities",
  "see_also": [
    "FET",
    "JFET",
    "MOSFET",
    "QFET"
  ],
  "translations": {
    "de": "PUT",
    "es": "PUT",
    "fr": "PUT"
  },
  "url": "https://mlchart.com/terminology/industrial/put/"
}