1S20 THRU 1SA0 SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 20 to 100 Volts Forward Current - 1.0 Ampere FEATURES R-1 The plastic package carries Underwriters Laboratory Flammability Classification 94V-0 Metal silicon junction,majority carrier conduction Low power loss,high efficiency High forward surge current capability High temperature soldering guaranteed: 250 C/10 seconds,0.375”(9.5mm) lead length, 5 lbs. (2.3kg) tension 1.0 (25.4) MIN. 0.102 (2.6) 0.091 (2.3) DIA. 0.140(3.50) 0.114(2.90) MECHANICAL DATA 1.0 (25.4) MIN. Case: R-1 molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight:0.007 ounce, 0.20 grams 0.025 (0.60) 0.021 (0.50) DIA. Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 C ambient temperature unless otherwise specified. Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%. MDD Catalog Number Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375”(9.5mm) lead length(see fig.1) Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 1.0A Maximum DC reverse current TA=25 C at rated DC blocking voltage TA=100 C Typical junction capacitance (NOTE 1) Typical thermal resistance (NOTE 2) Operating junction temperature range Storage temperature range SYMBOLS 1S 20 1S 30 1S 40 1S 50 1S 60 1S 70 1S 80 1S 90 1S A0 UNITS VRRM VRMS VDC 20 14 20 30 21 30 40 28 40 50 35 50 60 42 60 70 49 70 80 56 80 90 63 90 100 70 100 VOLTS VOLTS VOLTS I(AV) 1.0 Amp IFSM 40.0 Amps VF 0.55 0.5 10.0 IR CJ RθJA TJ, TSTG 0.85 0.70 -65 to +125 50.0 -65 to +150 -65 to +150 Note:1.Measured at 1MHz and applied reverse voltage of 4.0V D.C. 2.Thermal resistance from junction to ambient at 0.375”(9.5mm)lead length,P.C.B. mounted MDD ELECTRONIC mA 80 110 Volts pF C/W C C FIG. 1- FORWARD CURRENT DERATING CURVE 1 0.8 Single Phase Half Wave 60Hz Resistive or inductive Load 0.6 0.4 1S20-1S40 1S50-1SA0 0.2 0 0 25 50 75 100 125 150 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD RECTIFIED CURRENT, AMPERES RATINGS AND CHARACTERISTIC CURVES 1S20 THRU 1SA0 FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 40 32 24 16 8 175 0 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 1 10 AMBIENT TEMPERATURE, C 20 10 TJ=25 C PULSE WIDTH=300 µs 1%DUTY CYCLE 0.1 1S20-1S40 1S50-1S60 1S70-1SA0 0.01 0.2 0.4 0.6 0.8 1.0 1.1 FIG. 4-TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, MILLIAMPERES INSTANTANEOUS FORWARD CURRENT,AMPERES FIG. 3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 1 100 10 TJ=100 C 1 TJ=75 C 0.1 TJ=25 C 0.01 0.001 INSTANTANEOUS FORWARD VOLTAGE, VOLTS 0 20 40 60 80 1000 1S20-1S40 1S50-1SA0 100 TJ=25 C TRANSIENT THERMAL IMPEDANCE, C/W 2000 FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE 100 10 1 0.1 0.01 0.1 1 10 10 0.1 1.0 10 100 PERCENT OF PEAK REVERSE VOLTAGE,% FIG. 5-TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, pF 100 NUMBER OF CYCLES AT 60 Hz 100 REVERSE VOLTAGE,VOLTS MDD ELECTRONIC t,PULSE DURATION,sec. 100