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                                                                           STW34NB20
                                  N-CHANNEL 200V - 0.062  - 34A TO-247
                                               PowerMESHTM MOSFET

Table 1. General Features                             Figure 1. Package
      Type          VDSS      RDS(on)        ID

   STW34NB20        200 V    < 0.075       34 A


FEATURES SUMMARY
 TYPICAL RDS(on) = 0.062 

   EXTREMELY HIGH dv/dt CAPABILITY
                                                                                           3
   100% AVALANCHE TESTED                                                               2
   VERY LOW INTRINSIC CAPACITANCES                                                 1

   GATE CHARGE MINIMIZED
                                                                          TO-247

DESCRIPTION
Using the latest high voltage MESH OVERLAYTM
process, STMicroelectronics has designed an ad-
vanced family of power MOSFETs with outstand-         Figure 2. Internal Schematic Diagram
ing performances. The new patent pending strip
layout coupled with the Company's proprietary
edge termination structure, gives the lowest
RDS(on) per area, exceptional avalanche and dv/dt
capabilities and unrivalled gate charge and switch-
ing characteristics.

APPLICATIONS
 SWITCH MODE POWER SUPPLIES (SMPS)

   DC-AC CONVERTERS FOR WELDING
   EQUIPMENT AND UNINTERRUPTIBLE
   POWER SUPPLIES AND MOTOR DRIVE
   HIGH CURRENT, HIGH SPEED SWITCHING




Table 2. Order Codes
      Part Number               Marking                Package                     Packaging
       STW34NB20               W34NB20                  TO-247                         TUBE




                                                                                           REV. 2
April 2004                                                                                          1/10
STW34NB20

Table 3. Absolute Maximum Ratings
    Symbol                                Parameter                     Value      Unit
       VDS         Drain-source Voltage (VGS = 0)                        200        V
       VDGR        Drain- gate Voltage (RGS = 20 k)                      200        V
       VGS         Gate-source Voltage                                  

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