SR520 WILLAS THRU SR560 SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 to 60 Volts CURRENT 5.0 Amperes FEATURES * * * * * High reliability Low switching noise Low forward voltage drop High current capability High switching capability * RoHS product for packing code suffix "G" Halogen free product for packing code suffix "H" DO-201AD MECHANICAL DATA * * * * * Case: Molded plastic Epoxy: Device has UL flammability classification 94V-O Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 1.18 grams 1.0 (25.4) MIN. .052 (1.3) DIA. .048 (1.2) .375 (9.5) .335 (8.5) .220 (5.6) .197 (5.0) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS DIA. 1.0 (25.4) MIN. Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. Dimensions in inches and (millimeters) MAXIMUM RATINGS (At T A = 25 oC unless otherwise noted) SYMBOL SR520 SR530 SR540 SR550 SR560 UNITS Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 Volts Maximum RMS Voltage VRMS 14 21 28 35 42 Volts VDC 20 30 40 50 60 Volts RATINGS Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375” (9.5mm) lead length Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) IO 5.0 Amps I FSM 150 Amps Typical Thermal Resistance (Note 1) Rθ JA / Rθ JC Typical Junction Capacitance (Note 2) CJ Operating Temperature Range TJ Storage Temperature Range 18 / 10 0 200 -65 to + 125 T STG C/ W pF -65 to + 150 -65 to + 150 0 C 0 C ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted) CHARACTERISTICS SYMBOL Maximum Instantaneous Forward Voltage at 5.0A DC Maximum Average Reverse Current at Rated DC Blocking Voltage o TA = 25 C VF SR520 SR530 SR540 .55 IR SR550 SR560 .70 0.5 UNITS Volts mAmps NOTES : 1. Thermal Resistance (Junction to Ambient): Vertical PC Board Mounting, 0.5” (12.7mm) Lead Length. Thermal Resistance (Junction to Case) 2. Measured at 1 MHz and applied reverse voltage of 4.0 volts. 2009.09 WILLAS ELECTRONIC CORP. RATING AND CHARACTERISTIC CURVES ( SR520 THRU SR560 ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE SR 4 550 52 0 54 3 560 SR R ~S 0~ Single Phase Half Wave 60Hz Resistive of Inductive Load 0.375" (9.5mm) Lead Length FIG. 2 - TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, (mA) 5 SR AVERAGE FORWARD CURRENT, (A) 6 2 1 10 TJ = 125 1.0 TJ = 75 .1 TJ = 25 .01 .001 0 0 25 50 75 100 125 LEAD TEMPERATURE, ( ) 150 0 40 60 80 100 120 140 FIG. 4 - TYPICAL JUNCTION CAPACITANCE FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 4 Pulse measurement 10 JUNCTION CAPACITANCE, (nF) INSTANTANEOUS FORWARD CURRENT, (A) 20 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) 5 2 TJ = 125 TJ = 125 1 (SR550~SR560) (SR520~SR540) .5 2 TJ = 25 1 .5 .2 .1 .05 .2 .1 .02 0 .2 .4 .6 .8 1 1.2 INSTANTANEOUS FORWARD VOLTAGE, (V) .1 .2 .5 1 2 5 10 20 REVERSE VOLTAGE, (V) 40 FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT, (A) 150 2009.09 125 100 8.3ms Single Half Sine-Wave (JEDED Method) 75 50 25 0 1 2 5 10 20 50 NUMBER OF CYCLES AT 60Hz 100 WILLAS ELECTRONIC CORP.