Schottky Barrier Rectifiers SR20C20CF-G Thru SR20C100CF-G Reverse Voltage: 20 ~ 100 Volts Current: 20.0 Amp Features: ITO-220AB .113(2.87) .103(2.62) Low forward voltage drop High current capability High reliability .185(4.70) .175(4.44) .412(10.5) MAX DIA .140(3.56) .130(3.30) 1.25(3.18) 1.15(2.92) High surge current capability .27(6.86) .23(5.84) .594(15.1) .587(14.9) Mechanical Data: PIN Case: ITO-220AB molded plastic Epoxy: UL 94V-0 rate flame retardant Terminals: Solderable per MIL-STD-202, method 208 Polarity: Color band denotes cathode end Mounting position: Any Approx. Weight: 2.24 grams 1 2 3 .16(4.06) .14(3.56) .56(14.22) .53(13.46) .11(2.79) .10(2.54) .037(0.94) .027(0.68) .105(2.67) .095(2.41) 1 .025(0.64) .014(0.35) case 2 3 Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Parameter Symbol SR20C20CF SR20C40CF SR20C60CF SR20C80CF SR20C100CF -G -G -G -G -G Unit Max. Recurrent Peak Reverse Voltage V RRM 20 40 60 80 100 V Max. RMS Voltage VRMS 14 28 42 56 70 V Max. DC Blocking Voltage VDC 20 40 60 80 100 V Peak Surge Forward Current 8.3ms single half sine-wave superimposed on rate load (JEDEC method) IFSM 200 A Max. Average Forward Rectified Current TC=100oC I(AV) 20.0 A Max. Instantaneous Forward Voltage at 10A VF 0.55 0.65 0.75 0.85 V 1.0 Max. DC Reverse Current @Tj = 25oC IR mA At Rated DC Blocking Voltage @Tj = 100oC 30 pF Typical junction Capacitance (Note1) CJ 600 Max. Operating Junction Temperature Tj -55 to +125 o TSTG -55 to +150 oC Storage Temperature C Note1: (1) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts DC. “-G” suffix designates RoHS compliant version www.comchiptech.com Page1 Schottky Barrier Rectifiers RATINGS AND CHARACTERISTIC CURVES SR20C20CF-G THRU SR20C100CF-G FIG.1 - FORWARD CURRENT DERATING CURVE FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 200 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD RECTIFIED CURRENT, AMPERES 20.0 16.0 12.0 8.0 4.0 60 Hz Resistive or Inductive load 0 150 125 100 75 50 25 0 0 50 LEAD 100 150 1 SR16C60CF-G SR16C80CF-G SR16C100CF-G 1 TJ = 25oC PULSE WIDTH = 300uS 1% DUTY CYCLE 0.1 0.4 0.6 0.8 1.0 1.2 1.4 100 INSTANTANEOUS REVERSE CURRENT, MICROAMPERES SR16C20CF-G ~ SR16C40CF-G 0.2 100 FIG.4 - TYPICAL REVERSE CHARACTERISTICS 100 10 10 NUMBER OF CYCLES AT 60Hz TEMPERATURE, oC FIG.3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 1.6 10 TJ = 100oC 1 0.1 TJ = 25oC 0.01 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE, % INSTANTANEOUS FORWARD VOLTAGE, VOLTS FIG.5 - TYPICAL JUNCTION CAPACITANCE 10000 JUNCTION CAPACITANCE, pF INSTANTANEOUS FORWARD CURRENT, AMPERES Pulse width 8.3ms Single Half-Sire-Wave (JEDEC Moethod) 175 TJ = 25oC F=1.0 MHz Vsig = 50mVp-p 1000 100 0.1 1.0 4.0 10 100 REVERSE VOLTAGE, VOLTS www.comchiptech.com Page2