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                                                       STQ3NK50ZR-AP
                                               STD3NK50Z - STD3NK50Z-1
                    N-CHANNEL 500V - 2.8 - 2.3A TO-92/DPAK/IPAK
                           Zener-Protected SuperMESHTM MOSFET

Table 1: General Features                              Figure 1: Package
       TYPE          VDSS    RDS(on)    ID     Pw

 STQ3NK50ZR-AP       500 V    3.3      0.5 A    3W
 STD3NK50Z           500 V    3.3      2.3 A   45 W
 STD3NK50Z-1         500 V    3.3      2.3 A   45 W                                                     3
s   TYPICAL RDS(on) = 2.8                                                                           1
s   EXTREMELY HIGH dv/dt CAPABILITY                                                            DPAK
s   ESD IMPROVED CAPABILITY)                            TO-92 (Ammopak)
s   100% AVALANCHE TESTED
s   NEW HIGH VOLTAGE BENCHMARK
s   GATE CHARGE MINIMIZED
                                                                                           3
DESCRIPTION                                                                        1
                                                                                       2

The SuperMESHTM series is obtained through an
extreme opyimization of ST's well established strip                        IPAK
based PowerMESHTM layout. In addition to push-
ing on-resistance significatly down, special care is   Figure 2: Internal Schematic Diagram
taken to ensure a very good dv/dt capability for the
most demanding application. Such series comple-
ments ST full range of high voltage MOSFETs
icluding revolutionary MDmeshTM products

APPLICATIONS
s AC ADAPTORS AND BATTERY CHARGERS
s SWITH MODE POWER SUPPLIES (SMPS)

s LIGHTING




Table 2: Order Coder
       SALES TYPE               MARKING                PACKAGE                    PACKAGING
     STQ3NK50ZR-AP              Q3NK50ZR                 TO-92                     AMMOPAK
       STD3NK50Z                 D3NK50Z                 DPAK                     TAPE & REEL
      STD3NK50Z-1                D3NK50Z                 IPAK                          TUBE




                                                                                           Rev. 2
January 2005                                                                                                1/14
STD3NK50Z - STD3NK50Z-1 - STQ3NK50ZR-AP

  Table 3: Absolute Maximum ratings
       Symbol                             Parameter                                      Value                Unit
                                                                         DPAK/IPAK                  TO-92
         VDS       Drain-source Voltage (VGS = 0)                                         500                  V
        VDGR       Drain-gate Voltage (RGS = 20 k)                                        500                  V
         VGS       Gate- source Voltage                                                   

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