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                                 SEMICONDUCTOR                                                           KF9N25D
                                                                                                 N CHANNEL MOS FIELD
                                          TECHNICAL DATA                                          EFFECT TRANSISTOR

  General Description

    This planar stripe MOSFET has better characteristics, such as fast
  switching time, low on resistance, low gate charge and excellent
                                                                                             A                        K            DIM MILLIMETERS
  avalanche characteristics. It is mainly suitable for DC/DC Converters                      C               D             L
                                                                                                                                    A         _
                                                                                                                                        6.60 + 0.20
  and switching mode power supplies.                                                                                                B         _
                                                                                                                                         6.10 + 0.20
                                                                                                                                    C         _
                                                                                                                                        5.34 + 0.30
                                                                                                                                    D         _
                                                                                                                                         0.70 + 0.20
                                                                                                                                    E         _
                                                                                                                                        2.70 + 0.15
  FEATURES                                                                                                   B
                                                                                                                                    F         _
                                                                                                                                         2.30 + 0.10
                                                                                                                                    G   0.96 MAX
    VDSS= 250V, ID= 7.5A
                                                                                                                                    H   0.90 MAX
                                                                                 H
    Drain-Source ON Resistance : RDS(ON)=0.4        @VGS = 10V                                           J                          J         _
                                                                                                                                         1.80 + 0.20
                                                                                                             E
                                                                                         G                                     N    K         _
                                                                                                                                         2.30 + 0.10
    Qg(typ) = 14.5nC                                                                                                                L         _
                                                                                                                                        0.50 + 0.10
                                                                                         F       F                         M        M         _
                                                                                                                                         0.50 + 0.10
                                                                                                                                    N    0.70 MIN
                                                                                                                                    O    0.1 MAX

  MAXIMUM RATING (Ta=25 )                                                            1       2       3              1. GATE
                                                                                                                    2. DRAIN
              CHARACTERISTIC              SYMBOL               RATING     UNIT                                      3. SOURCE

                                                                                             O
   Drain-Source Voltage                     VDSS                 250       V
   Gate-Source Voltage                      VGSS                  30       V
                     @TC=25                                      7.5
                                             ID                                                                  DPAK (1)
   Drain Current     @TC=100                                     4.74      A
                     Pulsed (Note1)          IDP                 25
   Single Pulsed Avalanche Energy           EAS                  126       mJ
   (Note 2)
   Repetitive Avalanche Energy              EAR                  4.0       mJ
   (Note 1)
   Peak Diode Recovery dv/dt
                                            dv/dt                4.5      V/ns
   (Note 3)
   Drain Power       Tc=25                                       54.3      W
                                             PD
   Dissipation       Derate above 25                             0.43     W/
   Maximum Junction Temperature              Tj                  150
   Storage Temperature Range                Tstg               -55 150
   Thermal Characteristics
   Thermal Resistance, Junction-to-Case     RthJC                2.3       /W
   Thermal Resistance, Junction-to-
                                            RthJA                110       /W
   Ambient
  * : Drain current limited by maximum junction temperature.




  PIN CONNECTION


                          D




               G


                          S




2011. 6. 21                    Revision No : 0                                                                                                    1/6
                                                                             KF9N25D

 ELECTRICAL CHARACTERISTICS (Ta=25 )
              CHARACTERISTIC                              SYMBOL                       TEST CONDITION         MIN.   TYP.   MAX.   UNIT
   Static
   Drain-Source Breakdown Voltage                          BVDSS             ID=250    , VGS=0V               250     -       -     V
   Breakdown Voltage Temperature Coefficient              BVDSS/ Tj          ID=250 , Referenced to 25         -     0.22     -    V/
   Drain Cut-off Current                                     IDSS            VDS=250V, VGS=0V,                 -      -      10
   Gate Threshold Voltage                                    Vth             VDS=VGS, ID=250                  2.5     -      4.5    V
   Gate Leakage Current                                      IGSS            VGS= 30V, VDS=0V                  -      -      100   nA
   Drain-Source ON Resistance                              RDS(ON)           VGS=10V, ID=3.75A                 -     0.31   0.40
   Dynamic
   Total Gate Charge                                          Qg                                               -     14.5     -
                                                                             VDS=200V, ID=9A
   Gate-Source Charge                                        Qgs                                               -     3.2      -     nC
                                                                             VGS=10V              (Note4,5)
   Gate-Drain Charge                                         Qgd                                               -     6.3      -
   Turn-on Delay time                                        td(on)                                            -      15      -
                                                                             VDD=125V
   Turn-on Rise time                                             tr                                            -      25      -
                                                                             ID=9A                                                  ns
   Turn-off Delay time                                      td(off)                                            -      30      -
                                                                             RG=25                (Note4,5)
   Turn-off Fall time                                            tf                                            -      15      -
   Input Capacitance                                         Ciss                                              -     560      -
   Output Capacitance                                        Coss            VDS=25V, VGS=0V, f=1.0MHz         -      96      -     pF
   Reverse Transfer Capacitance                              Crss                                              -      15      -
   Source-Drain Diode Ratings
   Continuous Source Current                                     IS                                            -      -      9
                                                                             VGS


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