SQ1230 thru SQ12100 REVERSE VOLTAGE - 30 to 100Volts FORWARD CURRENT - 12.0 Amperes SCHOTTKY BARRIER RECTIFIERS DO- 27 FEATURES ●Metal of silicon rectifier , majority carrier conduction ●Guard ring for transient protection .052(1.3) .048(1.2) DIA. ●Low power loss,high efficiency ●High current capability,low VF 1.0(25.4) MIN. ●High surge capacity ●For use in low voltage,high frequency inverters,free wheeling,and polarity protection applications 210 .375(9.5) .335(8.5) .220(5.6) .197(5.0) DIA. MECHANICAL DATA TC measurement point ●Case: JEDEC DO-27 molded plastic 1.0(25.4) MIN. ●Polarity: Color band denotes cathode ●Weight: 0.04ounces , 1.1grams ●Mounting position: Any Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25℃ ambient temperature unless otherwise specified. Single phase, half wave ,60Hz, resistive or inductive load. For capacitive load, derate current by 20% CHARACTERISTICS SYMBOL SQ1230 SQ1235 SQ1240 SQ1245 SQ1250 SQ1260 SQ1280 SQ12100 UNIT Maximum Recurrent Peak Reverse Voltage VRRM 30 35 40 45 50 60 80 Maximum RMS Voltage VRMS 21 24.5 28 31.5 35 42 VDC 30 35 40 45 50 60 Maximum DC Blocking Voltage Maximum Average Forward Rectified Current @Tc=95 ℃ Peak Forward Surge Current 8.3ms single half sinewave super imposed on rated load(JEDEC Method) Peak Forward Voltage at 12A DC(Note1) Maximum DC Reverse Current @Tj=25℃ at Rated DC Bolcking Voltage @Tj=100℃ Tyical Junction Capacitance (Note2) Tyical Thermal Resistance (Note3) Operating Temperature Range Storage Temperature Range 100 V 56 70 V 80 100 V I(AV) 12 A IFSM 275 A VF 0.55 0.7 0.5 IR 50 0.8 V mA CJ 450 pF RθJC 3.0 ℃/w TJ -55 to+200 ℃ TSTG -55 to+200 ℃ NOTES:1.300us Pulse Width, 2%Duty Cycle. 2.Measured at 1.0 MHZ and applied reverse voltage of 4.0VDC. 3.Thermal Resistance Junction to case. ~ 214 ~ PEAK FORWARD SURGE CURRENT AMPERES RATING AND CHARACTERTIC CURVES SQ1230 thru SQ12100 AVERAGE FORWARD CURRENT AMPERES FIG.1-FORWARD CURRENT DERATING CURVE 12.0 10.0 8.0 6.0 4.0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 2.0 0 25 50 75 100 125 150 175 200 FIG.2-MAXIMUM NON-REPETITVE SURGE 360 300 240 180 120 8.3Single Half-Sine-Wave (JEDEC METOD) 60 0 1 5 10 50 20 100 NUMBER OF CYCLES AT 60Hz CASE TEMPERATURE ℃ FIG.4-TYPICAL FORWARD CHARACTERISTICS FIG.3-TYPICAL REVER CHARACTERISTICS 100 1000 INSTANTANEOUS FORWARD CURRENT(A) SQ1230 - SQ1235 100 10 T J=100℃ T J=75℃ 1.0 T J=25℃ 0.1 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) SQ1240 SQ1245 10 SQ1250 - SQ1260 1.0 SQ1280 - SQ12100 TJ=25℃ PULSE WIDTH 300US 2%DUTY CYCLE 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 INSTANTANEOUS FORWARD VOLTAGE FIG.5-TYPICAL JUNCTION CAPACITANCE 1000 CAPACITANCE,(pF) INSTANTANEOUS REVERSE CURRENT,(mA) 2 100 TJ=25℃ ，f=1MHZ 10 0.1 10 1 4 REVERSE VOLTAGE VOLTS ~ 215 ~ 100 1.0 1.2