US112S Unisonic Technologies, US112S Datasheet

Page 1

... UTC US112S/N SCRs DESCRIPTION The UTC US112S/N is suitable to fit all modes of control found in applications such as overvoltage crowbar protection, motor control circuits in power tools and kitchen aids, in-rush current limiting circuits, capacitive discharge ignition, voltage circuits. ABSOLUTE MAXIMUM RATINGS PARAMETER Repetitive peak off-state voltages RMS on-state current (180° ...

Page 2

... UTC US112S/N UTC US112S(SENSITIVE) ELECTRICAL CHARACTERISTICS (Tj=25 unless otherwise specified) PARAMETER SYMBOL Gate trigger Current Gate trigger Voltage Gate non-trigger voltage 125°C Reverse gate voltage Holding Current I H Latching Current Circuit Rate Of Change Of V dV/dt off-state Voltage Tj = 125° ...

Page 3

... IT(av)( Fig.3-1:Relative variation of thermal impedance junction to case vs pulse duration. K=<Zth(j-c)/Rth(j-c)> 1.0 0.5 0.2 tp(s) 0.1 1E-3 1E-2 1E-1 Figure.4-1:Relative variation of gate trigger current,holding current and latching vs junction temperature (US112S) IGT,IH,IL(TJ)/IGT,IH,IL (TJ=25:¼ 2.0 1.8 1.6 IGT 1.4 1.2 IH&IL Rgk=1kè 1.0 0.8 0.6 0.4 0.2 Tj(:) 0.0 -40 - 100 ...

Page 4

... US112N dI/dt US112S limitation US112N 100 US112S tp(ms) 10 0.01 0.10 1. UTC UNISONIC TECHNOLOGIES CO., LTD. Fig.6: Relative variation of dV/dt immunity vs gate- cathode resistance(typical values) (US112S) dV/dt(Rgk)/dV/dt(Rgk=220è¼ 10.0 Ta=25: 1.0 Rgk(è) 0.1 0.0 0.2 0.4 1E+1 Fig.8: Surge peak on-state current vs number of cycles dV/dt(Rgk)/dV/dt(Rgk=220è¼ 10.0 1.0 Rgk(è) 0.1 0.0 0.2 0.4 125 150 Fig ...