STP4NK50Z - STP4NK50ZFPSTD4NK50Z - STD4NK50Z-1 N-CHANNEL 500V - 2.4Ω - 3A TO-220/TO-220FP/DPAK/IPAK Zener-Protected SuperMESH™Power MOSFET TYPEVDSSRDS(on)IDPw STP4NK50Z 500 V < 2.7 Ω 3 A 45 W STP4NK50ZFP 500 V < 2.7 Ω 3 A 20 W STD4NK50Z 500 V < 2.7 Ω 3 A 45 W STD4NK50Z-1 500 V < 2.7 Ω 3 A 45 W 3 ■ TYPICAL RDS(on) = 2.3 Ω 2 1 ■ EXTREMELY HIGH dv/dt CAPABILITY TO-220TO-220FP ■ 100% AVALANCHE TESTED ■ GATE CHARGE MINIMIZED ■ VERY LOW INTRINSIC CAPACITANCES 3 ■ VERY GOOD MANUFACTURING 3 2 REPEATIBILITY 1 1 IPAKDPAKDESCRIPTION The SuperMESH™ series is obtained through an extreme optimization of ST’s well established strip- INTERNAL SCHEMATIC DIAGRAM based PowerMESH™ layout. In addition to pushing on-resistance significantly down, special care is tak- en to ensure a very good dv/dt capability for the most demanding applications. Such series comple- ments ST full range of high voltage MOSFETs in- cluding revolutionary MDmesh™ products. APPLICATIONS ■ HIGH CURRENT, HIGH SPEED SWITCHING ■ IDEAL FOR OFF-LINE POWER SUPPLIES, ADAPTORS AND PFC ■ LIGHTING ORDERING INFORMATIONSALES TYPEMARKINGPACKAGEPACKAGING STP4NK50Z P4NK50Z TO-220 TUBE STP4NK50ZFP P4NK50ZFP TO-220FP TUBE STD4NK50ZT4 D4NK50Z DPAK TAPE & REEL STD4NK50Z-1 D4NK50Z IPAK TUBE December 2002 1/13