Refrigerator and Freezer
Modern refrigerators incorporate power semiconductors to optimize compressor speed, temperature control, and energy efficiency. These components enable precise cooling adjustments, quieter operation, and reduced power consumption—ensuring fresh food preservation while supporting eco-friendly performance.
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Refrigerator and Freezer
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01 – Inrush current Limiter
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Triac
Function : Bypass Switch
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02 – PFC (Optional)
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Standard Rectifier
Function : Input Rectifier
Remarks : Low Power PFC < 400W
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FRD
Function : Rectifier
Remarks : Low Power PFC < 400W
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SiC
Function : Rectifier
Remarks : Low Power PFC < 400W
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IGBT
Function : Switches
Remarks : Low Power PFC < 400W
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SJ-MOSFET
Function : Switches
Remarks : Low Power PFC < 400W
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03 – Motor Drive
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IGBT
Function : Switches
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MOSFET
Function : Switches
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04 – Power Management
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Power MOSFET
Function : Switches
Remarks : Buck or Flyback, P<10W
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FRD
Function : Rectifier
Remarks : Buck or Flyback, P<10W
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SBD
Function : Rectifier
Remarks : Buck or Flyback, P<10W
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TVS
Function : Protection
Remarks : Buck or Flyback, P<10W
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05 – Main Controller
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Smal Signal MOSFET
Function : Switches
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ESD
Function : Protection
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06 – Current & Voltage Sense
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ESD
Function : Protection
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TVS
Function : Protection
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FRD
Function : Diodes
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07 – Comm Interface
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ESD
Function : Protection
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TVS
Function : Protection
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08 – Sensing
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ESD
Function : Protection
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TVS
Function : Protection
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09 – HMI
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ESD
Function : Protection
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TVS
Function : Protection
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10 – Actuators
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Triac
Function : Defrosting Heater
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Triac
Function : IM Drive
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Triac, AC Switches
Function : Dispenser
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11 – Lighting Control
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AC Switches
Function : Bulb Control
Remarks : Bulb Control
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MOSFETs
Function : LED Drive
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TVS
Function : Protection
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