ROHM Semiconductor SCT4018KR N-Channel SiC Power MOSFET

ROHM Semiconductor SCT4018KR N-Channel Silicon Carbide (SiC) Power MOSFET is a robust device optimized for high-efficiency power conversion in demanding applications. With a drain-source voltage rating of 1200V and a continuous drain current of 81A (at +25°C), the ROHM SCT4018KR delivers excellent performance in high-voltage environments. The device features a low typical on-resistance of 18mΩ and supports fast switching speeds, which significantly reduce switching losses and improve overall system efficiency. Housed in a TO-247-4L package, the SCT4018KR is well-suited for use in industrial power supplies, solar inverters, and motor drives. Leveraging the advantages of SiC technology, the SCT4018KR MOSFET offers superior thermal conductivity, high-temperature operation, and enhanced reliability, making it ideal for compact, high-performance power systems.

Features

  • Low on-resistance
  • Fast switching speed
  • Fast reverse recovery
  • Easy to parallel
  • Simple to drive
  • TO-247-4L package
  • Pb-free lead plating
  • RoH compliant

Applications

  • Solar inverters
  • DC/DC converters
  • Switch-mode power supplies
  • Induction heating

Specifications

  • 1200V maximum drain-source voltage
  • Maximum continuous drain/source current
    • 81A at +25°C
    • 57A at +100°C
  • 80μA maximum zero gate voltage drain current
  • 179A maximum pulsed drain current
  • Body diode
    • Maximum forward current
      • 81A pulsed
      • 179A surge
    • 3.3V typical forward voltage
    • 12ns typical reverse recovery time
    • 252nC reverse recovery charge
    • 44A typical peak reverse recovery current
  • -4V to 21V maximum DC gate-source voltage range
  • -4V to 23V maximum gate-source surge voltage range
  • Maximum recommended gate-source drive voltage
    • 15V to 18V maximum turn-on range
    • 0V turn-off
  • ±100nA gate-source leakage current
  • 2.8V to 4.8V gate threshold voltage range
  • Drain-source on-state resistance
    • 23.4mΩ maximum static at +25°C
    • 18mΩ typical
  • 1Ω typical gate input resistance
  • 0.48K/W junction-to-case thermal resistance
  • 22S transconductance
  • Typical capacitance
    • 4532pF input
    • 129pF output
    • 9pF reverse transfer
    • 156pF effective output, energy-related
  • Typical gate
    • 170nC total
    • 32nC source charge
    • 52nC drain charge
  • Typical time
    • 13ns turn-on delay
    • 21ns rise
    • 50ns turn-off delay
    • 11ns fall
  • Typical switching losses
    • 520μJ turn-on
    • 142μJ turn-off
  • 4.0µs to 4.5µs typical short-circuit withstand time
  • +175°C maximum virtual junction temperature

Inner Circuit

Location Circuit - ROHM Semiconductor SCT4018KR N-Channel SiC Power MOSFET
Publicerad: 2025-06-13 | Uppdaterad: 2025-06-19