SR820 THRU SR860 8.0 AMP SCHOTTKY BARRIER RECTIFIERS VOLTAGE RANGE 20 to 60 Volts CURRENT 8.0 Amperes FEATURES * Low forward voltage drop * High current capability * High reliability * High surge current capability * Epitaxial construction TO-220A 3.8 φ +.2 HOLE THRU .412 (10.5) MAX. .108 (2.75) .248 (6.3) .040 (1.0) MAX. MECHANICAL DATA * Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Lead: Lead solderable per MIL-STD-202, method 208 guranteed * Polarity: As Marked * Mounting position: Any PIN 1 .050 (1.27) .595 (15.1) MAX. .550 (14.0) .158 (4.0) MIN. MAX. .051 MAX. (1.3) .040 MAX. (1.0) * Weight: 2.24 grams .180 (4.6) + .200 (5.08) .120 (3.05) PIN 1 + + CASE PIN 2 Case Negative Suffix "R" CASE PIN 2 Case Positive Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25 C ambient temperature uniess otherwies specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. TYPE NUMBER Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current SR820 SR830 SR835 SR840 SR845 SR850 SR860 UNITS 20 30 35 40 45 50 60 V 14 21 24 28 31 35 42 V V 20 30 35 40 45 50 60 See Fig. 1 Peak Forward Surge Current, 8.3 ms single half sine-wave A 8.0 150 superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 8.0A Maximum DC Reverse Current Ta=25 C 0.65 0.75 5.0 50 at Rated DC Blocking Voltage Ta=100 C Typical Junction Capacitance (Note1) Typical Thermal Resistance RθJC (Note 2) Operating Temperature Range TJ Storage Temperature Range TSTG 700 460 3.0 -65 -65 NOTES: 1. Measured at 1MHz and applied reverse voltage of 4.0V D.C. 2. Thermal Resistance Junction to Case. 34 -65 +125 +150 +150 A V mA mA pF C/W C C RATING AND CHARACTERISTIC CURVES (SR820 THRU SR860) FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE FIG.2-TYPICAL FORWARD 50 60 45 0 0 20 40 60 80 100 120 140 160 180 200 CASE TEMPERATURE,( C) FIG.3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT ~S R 20 60 5.0 ~S R8 R8 ~S R8 ~S 2 10 50 50 20 4 SR 8 8 SR 6 SR 8 8 INSTANTANEOUS FORWARD CURRENT,(A) 84 5 10 8 SR AVERAGE FORWARD CURRENT,(A) CHARACTERISTICS 12 1.0 Tj=25 C Pulse Width 300us 1% Duty Cycle 0.1 PEAK FORWARD SURGE CURRENT,(A) 250 .01 200 .1 .3 .5 .7 .9 1.1 1.3 1.5 FORWARD VOLTAGE,(V) 150 8.3ms Single Half Tj=25 C Sine Wave 100 JEDEC method 50 FIG.5 - TYPICAL REVERSE CHARACTERISTICS 0 1 5 50 10 100 100 NUMBER OF CYCLES AT 60Hz REVERSE LEAKAGE CURRENT, (mA) FIG.4-TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE,(pF) 2800 2400 2000 1600 SR 820 1200 800 SR8 50~S ~S R 8 45 R 86 0 10 Tj=75 C 1.0 Tj=25 C .1 400 0 .01 .05 .1 .5 1 5 10 50 .01 0 100 REVERSE VOLTAGE,(V) 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) 35