View stp5nc70z datasheet:

STP5NC70Z - STP5NC70ZFP STB5NC70Z - STB5NC70Z-1 N-CHANNEL 700V - 1.8? - 4.6A TO-220/FP/D?PAK/I?PAK Zener-Protected PowerMESH™III MOSFET TYPE VDSS RDS(on) ID STP5NC70Z/FP 700V < 2 ? 4.6 A STB5NC70Z/-1 700V < 2 ? 4.6 A 3 1 TYPICAL RDS(on) = 1.8 ? D?PAK 3 2 EXTREMELY HIGH dv/dt AND CAPABILITY GATE 1 TO - SOURCE ZENER DIODES TO-220 TO-220FP 100% AVALANCHE TESTED VERY LOW GATE INPUT RESISTANCE 3 GATE CHARGE MINIMIZED 2 1 I?PAK DESCRIPTION (Tabless TO-220) The third generation of MESH OVERLAY™ Power MOSFETs for very high voltage exhibits unsurpassed INTERNAL SCHEMATIC DIAGRAM on-resistance per unit area while integrating back-to- back Zener diodes between gate and source. Such ar- rangement gives extra ESD capability with higher rug- gedness performance as req