2SK1991 Datasheet and Replacement

   Type Designator: 2SK1991
   Type of Transistor: MOSFET
   Type of Control Channel: N -Channel
   Pd ⓘ - Maximum Power Dissipation: 30 W
   |Vds|ⓘ - Maximum Drain-Source Voltage: 500 V
   |Vgs|ⓘ - Maximum Gate-Source Voltage: 30 V
   |Id| ⓘ - Maximum Drain Current: 4.5 A
   Tj ⓘ - Maximum Junction Temperature: 150 °C
   tr ⓘ - Rise Time: 30 nS
   Cossⓘ - Output Capacitance: 200 pF
   Rds ⓘ - Maximum Drain-Source On-State Resistance: 1.5 Ohm
   Package: TO220F
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