百度微电子有限公司 BAIDU MICRO ELECTRONS CO., LTD. SS32B thru SS310B SURFACE MOUNT REVERSE VOLTAGE - 20 to100 Volts SCHOTTKY BARRIER RECTIFIERS FORWARD CURRENT - 3.0 Amperes FEATURES SMB ●For surface mounted applications ●Metal-Semiconductor junction with guarding ●Epitaxial construction ●Very low forward vlotage drop .083(2.11) .075(1.91) ●High current capability .155(3.94) .130(3.30) ●Plastic material has UL flammability classification 94V-0 .185(4.70) .160(4.06) ●For use in lowvoltage, high frequency inverters, free wheeling, and polarity protection applications. .012(.305) .006(.152) .096(2.44) .084(2.13) MECHANICAL DATA ●Case： Molded Plastic ●Polarity:Color band denotes cathode .060(1.52) .030(0.76) ●Weight: 0.003 ounces,0.093 grams .008(.203) .002(.051) .220(5.59) .200(5.08) 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 SS32B SS33B SS34B SS35B SS36B SS38B SS310B UNIT Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 80 100 V Maximum RMS Voltage VRMS 14 21 28 35 42 56 70 V VDC 20 30 40 50 60 80 100 V Maximum DC Blocking Voltage Maximum Average Forward Rectified Current Peak Forward Surge Current @TL=100 ℃ 8.3ms Single Half Sine-Wave I(AV) 3.0 A IFSM 80 A Super Imposed On Rated Load (JEDEC Method) Maximum Forward Voltage at 3.0A DC VF Maximum DC Reverse Current @TJ=25℃ at Rated DC Blocking Voltage @TJ=100℃ IR 0.7 0.55 1.0 20 0.85 V mA CJ 250 pF Typical Thermal Resistance (Note2) RθJL 10 ℃/W Typical Thermal Resistance (Note3) RθJA 50 ℃/W Typical Junction Capacitance (Note1) Operating Temperature Range Storage Temperature Range TJ -55 to + 125 ℃ TSTG -55 to + 150 ℃ NOTES:1.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC. 2.Thermal resistance junction to lead. 3.Thermal resistance junction to ambient. 百度微电子有限公司 BAIDU MICRO ELECTRONS CO., LTD. SS32B thru SS310B FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT FIG. 1 - FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT (AMPERES) 5.0 4.0 3.0 2.0 1.0 0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 25 50 75 100 125 150 175 120 100 80 60 40 PULSE WIDTH 8.3ms SINGLE HALF-SINE-WAVE (JEDEC METHOD) 20 0 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz LEAD TEMPERATURE ℃ FIG.3-TYPICAL FORWARD CHARACTERISTICS FIG.4-TYPICAL JUNCTION CAPACITANCE 20 1000 CAPACITANCE ，（ PF） SS32B-SS34B SS35B -SS36B 1.0 SS38B -SS310B 100 T J=25℃ f=1MHZ T J = 25°C PULSE WIDTH 300us 1% DUTY CYCLE 10 0.1 0.1 0 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.0 100 T J=125℃ 10 T J=100℃ 1.0 0.1 0.01 T J=25℃ 0.001 20 10.0 REVERSE VOLTAGE, (VOLTS) FIG.5-TYPICAL REVERSE CHARACTERISTICS 0 4.0 1.7 INSTANTANEOUS FORWARD VOLTAGE, (VOLTS) INSTANTANEOUS REVERSE CURRENT, (mA ) INSTANTANEOUS FORWARD CURRENT, (A) 10 40 60 80 100 120 PERCENT RATED PEAK REVERSE VOLTAGE,(%) 140 100