View stgp20nb37lz datasheet:

STGP20NB37LZ ® N-CHANNEL CLAMPED 20A TO-220 INTERNALLY CLAMPED PowerMESH? IGBT PRELIMINARY DATA TYPE VCES VCE(sat) IC STGP20NB37LZ CLAMPED < 2.0 V 20 A POLYSILICON GATE VOLTAGE DRIVEN LOW THRESHOLD VOLTAGE LOW ON-VOLTAGE DROP HIGH CURRENT CAPABILITY HIGH VOLTAGE CLAMPING FEATURE 3 DESCRIPTION 2 Using the latest high voltage technology based 1 on patented strip layout, STMicroelectronics has designed an advanced family of IGBTs with TO-220 outstanding performances. The built in collector-gate zener exhibits a very precise active clamping while the gate-emitter zener supplies an ESD protection. APPLICATIONS INTERNAL SCHEMATIC DIAGRAM AUTOMOTIVE IGNITION ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VCES Collector-Emitter Voltage (VGS = 0) CLAMPED V