Sensitive SCRs E5 - Futurlec

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Sensitive SCRsData SheetsI GTI GT (TC = 25 ˚C)9.08.07.06.05.04.0See General Notes for specific deviceoperating temperature range.I HI H (T C = 25 ˚C)4.03.02.0See General Notes for specificoperating temperature range.Ratio of3.02.0Ratio of1.01.00-65 -40 -15 +25 +65 +110 +125Case Temperature (T C ) – ˚C0-65 -40 -15 +25 +65 +110 +125Case Temperature (T C ) – ˚CFigure E5.10 Normalized DC Gate-Trigger Current versusCase TemperatureFigure E5.13 Normalized DC Holding Current versus Case TemperatureInstantaneous On-state Current (i T ) – Amps322824201612840T C = 25˚C6 A to 10 A Devices4 A TO-251 and TO-2520.8 A to 1.5 A TO-92,T106/T107, andCompak0 .6 .8 1.0 1.2 1.4 1.6Instantaneous On-state Voltage (v T ) – VoltsFigure E5.11 Instantaneous On-state Current versusOn-state Voltage (Typical)2.0See General Notes for specificoperating temperature rangeV GTV GT (T C = 25 ˚C)1.51.0Ratio of0.50-65 -40 -15 +25 +65 +110 +125Case Temperature (T C ) – ˚CFigure E5.12 Normalized DC Gate-Trigger Voltage versusCase Temperaturehttp://www.littelfuse.com E5 - 8 ©2004 Littelfuse, Inc.+1 972-580-7777 Thyristor Product Catalog
Data SheetsSensitive SCRsPeak Surge (Non-repetitive)On-state Current (I TSM ) – Amps20010080605040302010865432110 A Devices4 A TO-251 and TO-252Notes:1) Gate control may be lost duringand immediately following surgecurrent interval.2) Overload may not be repeateduntil junction temperature hasreturned to steady-state rated value.SUPPLY FREQUENCY: 60 Hz SinusoidalLOAD: ResistiveRMS ON-STATE CURRENT: [I T(RMS) ]: MaxRated Value at Specified Case Temperature8 A DevicesTO-106and TO-1070.8 A TO-92and Compak1 2 3 4 5 6 8 10 20 30 40 50 60 80 100 200 300 400 600 1000Surge Current Duration – Full Cycles6 A Devices1.5 A DevicesFigure E5.14 Peak Surge On-state Current versus Surge Current DurationTurn-on Time (tgt) – µs100101.0I GT = 50 µA MAXI GT = 200 µA MAXI GT = 500 µA MAXI GT = 12 µA MAXT C = 25 ˚CAverage On-state Power Dissipation [P D(AV) ] – Watts5.04.03.02.01.0CURRENT WAVEFORM: Half Sine WaveLOAD: Resistive or InductiveCONDUCTION ANGLE: 180˚T106 and T1074 A TO-251 and TO-2520.8 A TO-92 and Compak1.5 A Devices0 1 2 3 4RMS On-state Current [I T(RMS) ] – AmpsFigure E5.16 Power Dissipation (Typical) versus RMS On-state Current0.10.01 0.1 1 10 100DC Gate Trigger Current (I GT ) – mAFigure E5.15 Typical Turn-on Time versus Gate Trigger Current©2004 Littelfuse, Inc. E5 - 9 http://www.littelfuse.comThyristor Product Catalog +1 972-580-7777
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