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STW52NK25Z
N-CHANNEL 250V - 0.033 - 52A TO-247
Zener-Protected SuperMESHTM MOSFET

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

STW52NK25Z 250 V < 0.045 52 A 300 W
s TYPICAL RDS(on) = 0.033
s EXTREMELY HIGH dv/dt CAPABILITY
s 100% AVALANCHE TESTED
s GATE CHARGE MINIMIZED
s VERY LOW INTRINSIC CAPACITANCES 3
s VERY GOOD MANUFACTURING 2
1
REPEATIBILITY
TO-247
DESCRIPTION
The SuperMESHTM series is obtained through an
extreme optimization of ST's well established
strip-based PowerMESHTM layout. In addition to
pushing on-resistance significantly down, special
care is taken to ensure a very good dv/dt capability Figure 2: Internal Schematic Diagram
for the most demanding applications. Such series
complements ST full range of high voltage MOS-
FETs including revolutionary MDmeshTM products.

APPLICATIONS
s HIGH CURRENT, HIGH SPEED SWITCHING

DC CHOPPERs
s IDEAL FOR OFF-LINE POWER SUPPLIES,

ADAPTORS AND PFC

Table 2: Order Codes
SALES TYPE MARKING PACKAGE PACKAGING
STW52NK25Z W52NK25Z TO-247 TUBE

Rev. 2
November 2004 1/10
STW52NK25Z

Table 3: Absolute Maximum ratings
Symbol Parameter Value Unit
VDS Drain-source Voltage (VGS = 0) 250 V
VDGR Drain-gate Voltage (RGS = 20 k) 250 V
VGS Gate- source Voltage