SRF2020CT THRU SRF20200CT R SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 20 to 200 Volts Forward Current - 20Amperes S E M I C O N D U C T O R FEATURES ITO-220AB Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Metal silicon junction ,majority carrier conduction Guard ring for overvoltage protection 0.410(10.41) 0.140(3.55) 0.390(9.91) 0.128(3.25) DIA Low power loss ,high efficiency 0.187(4.75) 0.167(4.25) 0.130(3.31) 0.111(2.81) 0.111(2.83) High current capability ,Low forward voltage drop 0.101(2.57) 0.138(3.50) High surge capability 0.130(3.30) For use in low voltage ,high frequency inverters, JF SRF2060CT free wheeling ,and polarity protection applications Dual rectifier construction PIN 2 1 3 1.161(29.5) 0.177(4.50) High temperature soldering guaranteed:260° C/10 seconds,, 0.102(2.60) 0.25"(6.35mm)from case Component in accordance to RoHS 2002/95/EC and 0.551(14.00) 0.067(1.70) 0.059(1.50) 0.056(1.43) 0.043(1.10) WEEE 2002/96/EC 0.110(2.80) 1.083(27.5) 0.138(3.50) 0.512(13.00) 0.029(0.73) MECHANICAL DATA 0.019(0.47) 0.104(2.64) 0.096(2.44) 0.029(0.73) 0.019(0.47) Case: JEDEC ITO-220AB molded plastic body Terminals: Lead solderable per MIL-STD-750,method 2026 Polarity: As marked Dimensions in inches and (millimeters) Mounting Position: Any Weight: 0.08ounce, 2.24 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (Ratings at 25 C ambient temperature unless otherwise specified ,Single phase ,half wave ,resistive or inductive load. For capacitive load, derate by 20%.) Symbols Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Per leg Total device Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) Maximum average forward rectified current(see Fig.1) SRF 2050CT SRF 2060CT SRF SRF SRF SRF 2080CT 20100CT 20150CT 20200CT 20 30 40 50 60 80 100 150 200 14 21 28 35 42 56 70 105 140 20 30 40 50 60 80 100 150 200 Units Volts Volts Volts I(AV) Amps IFSM 200.0 Amps VF IR Typical thermal resistance (Note 2) R Operating junction temperature range TJ TSTG Storage temperature range SRF 2040CT 10.0 20.0 Maximum instantaneous reverse current at rated DC blocking voltage(Note 1) T C =125 C SRF 2030CT VRRM VRMS VDC Maximum instantaneous forward voltage at 20.0 A T C =25 C SRF 2020CT 0.60 0.75 0.85 0.90 0.95 0.2 30 50 3.0 JC C/W C -65 to+150 C s pulse width,1% duty cycle 2.Thermal resistance from junction to case 1-140 mA -65 to+150 Notes: 1.Pulse test: 300 JINAN JINGHENG ELECTRONICS CO., LTD. Volts HTTP://WWW.JINGHENGGROUP.COM RATINGS AND CHARACTERISTIC CURVES SRF2020CT THRU SRF20200CT FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 20 200 PEAK FORWARD SURGE CURRENT(AMPERES) AVERAGE FORWARD CURRENT AMPERES FIG.1-FORWARD CURRENT DERATING CURVE 16 12 8 INDUCTIVE OR RESISTIVE LOAD 4 180 160 TJ=TJMAX 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 140 120 100 0 0 50 100 150 80 LEAD TEMPERATURE ( C) 1 10 100 NUMBER OF CYCLES AT 60Hz FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS 50 10 (mA) TJ=125 C 10 PULSE WIDTH=300 S 1% DUTY CYCLE TJ=25 C 1 TJ=125 C INSTANTANEOUS REVERSE CURRENT INSTANTANEOUS FORWARD CURRENT( AMPERES) 50 0.1 1 TJ=75 C 0.1 0.01 TJ=25 C 0.01 0 0.1 0.2 0.3 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 0.001 INSTANTANEOUS FORWARD VOLTAGE (VOLTS) 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE% FIG.6-TYPICAL TRANSIENT THERMAL IMPEDANCE TRANSIENT THERMAL IMPEDANCE, C/ W JUNCTION CAPACITANCE(pF) FIG.5-TYPICAL JUNCTION CAPACITANCE 4000 TJ=25 C f=1.0MHZ Vsig=50mVp-p 1000 100 0.1 1 10 100 REVERSE VOLTAGE. VOLTS 100 10 1 0.1 0.01 0.1 1 10 100 T, PULSE DURATION ,sec. JINAN JINGHENG ELECTRONICS CO., LTD. 1-141 HTTP://WWW.JINGHENGGROUP.COM