25SQ030 thru 25SQ060 REVERSE VOLTAGE - 30 to 60Volts FORWARD CURRENT - 25.0 Amperes SCHOTTKY BARRIER RECTIFIERS FEATURES ●Metal of silicon rectifier , majority carrier conduction .108 (2.75) ●Guard ring for transient protection ●Low power loss,high efficiency ●High current capability,low VF .187(4.7) .148(3.8) .055(1.4) .047(1.2) .153(3.9) .146(3.7) .413(10.5) .374(9.5) .270(6.9) .230(5.8) ●High surge capacity ●Plastic package has UL flammability classification 94V-0 ●For use in low voltage,high frequency inverters,free 25SQ045 .04 MAX (1.0) wheeling,and polarity protection applications .610(15.5) .583(14.8) .051 (1.3) .118(3.0) .080(2.0) .201(5.1) .153(3.9) .102(2.6) .091(2.3) .024(0.6) .012(0.3) .043(1.1) .032(0.8) MECHANICAL DATA .118(3.0) .080(2.0) ●Polarity: As marked on the body ●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% SYMBOL 25SQ 030 25SQ 035 25SQ 040 25SQ 045 25SQ 050 25SQ 055 25SQ 060 UNIT Maximum Recurrent Peak Reverse Voltage VRRM 30 35 40 45 50 55 60 V Maximum RMS Voltage VRMS 21 25 28 32 35 39 42 V VDC 30 35 40 45 50 55 60 V CHARACTERISTICS Maximum DC Blocking Voltage Maximum Average Forward Rectified Current ( See Fig.1) @TC=95 ℃ I(AV) 25 A IFSM 250 A Peak Forward Surage Current 8.3ms Single Half Sine-Wave Super Imposed on Rated Load (JEDEC Method) Peak Forward Voltage at 12.5A DC(Note1) Maximum DC Reverse Current @TJ=25℃ at Rated DC Bolcking Voltage @TJ=125℃ Operating Temperature Range Storage Temperature Range NOTES:1.300us pulse width,2% dudy cycle. 2.Thermal resistance junction to case. VF IR 0.45 0.5 0.55 0.65 0.15 50 0.95 V mA TJ -55to+150 ℃ TSTG -55to+150 ℃ RATING AND CHARACTERTIC CURVES 25SQ030 thru 25SQ060 FIG. 1 – FORWARD CURRENT DERATING CURVE FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT AMPERES 30 25 20 15 10 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 5 0 25 75 50 100 125 150 175 300 PULSE WIDTH 8.3 ms SINGLE HALF-SINE-WAVE (JEDEC METHOD) 250 200 150 100 50 0 1 2 CASE TEMPERATURE (℃) 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz FIG.4-TYPICAL FORWARD CHARACTERISTICS FIG.3-TYPICAL REVER CHARACTERISTICS 100 1000 25SQ030 INSTANTANEOUS FORWARD CURRENT, (A) INSTANTANEOUS REVERSE CURRENT,(mA) 25SQ035 100 10 T J=100℃ T J=75℃ 1.0 T J=25℃ 0.1 25SQ040-25SQ045 10 25SQ05025SQ055 25SQ060 T J = 25°C 1.0 PULSE WIDTH 300us 2% DUTY CYCLE 0.1 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 1.0