SR840

SR820 THRU SR860 8.0 AMP SCHOTTKY BARRIER RECTIFIERS VOLTAGE RANGE 20 to 60 Volts CURRENT FEATURES * Low forward voltage drop * High current capability * High reliability * High surge current capability * Epitaxial construction .412 (10.5) MAX. 8.0 Amperes 3.8 φ +.2 HOLE THRU .248 (6.3) TO-220A .180 (4.6) .050 (1.27) .108 (2.75) .040 (1.0) MAX. .051 MAX. (1.3) .040 MAX. (1.0) 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 * Weight: 2.24 grams .595 (15.1) MAX. .550 (14.0) .158 (4.0) MIN. MAX. .200 (5.08) + CASE PIN 1 + CASE PIN 2 Case Negative Suffix "R" .120 (3.05) PIN 1 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 See Fig. 1 Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 8.0A Maximum DC Reverse Current Ta=25 C 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 NOTES: 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 8.0 150 0.65 5.0 50 700 3.0 -65 +125 -65 +150 -65 +150 460 0.75 A A V mA mA pF C/W C C 1. Measured at 1MHz and applied reverse voltage of 4.0V D.C. 2. Thermal Resistance Junction to Case. 34 RATING AND CHARACTERISTIC CURVES (SR820 THRU SR860) FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT,(A) 12 10 FIG.2-TYPICAL FORWARD CHARACTERISTICS 50 INSTANTANEOUS FORWARD CURRENT,(A) 20 ~S R 84 5 8 8 SR 6 4 2 0 10 5.0 SR 8 0 20 40 60 80 100 120 140 160 180 200 1.0 Tj=25 C Pulse Width 300us 1% Duty Cycle CASE TEMPERATURE,( C) FIG.3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 250 0.1 PEAK FORWARD SURGE CURRENT,(A) 200 .01 .1 .3 .5 SR 8 50 ~S R8 60 8 SR 20 R8 ~S 45 50 R8 ~S 60 .7 .9 1.1 1.3 1.5 150 Tj=25 C 8.3ms Single Half Sine Wave JEDEC method FORWARD VOLTAGE,(V) 100 50 FIG.5 - TYPICAL REVERSE 0 1 5 10 50 100 CHARACTERISTICS 100 NUMBER OF CYCLES AT 60Hz FIG.4-TYPICAL JUNCTION CAPACITANCE 2800 2400 2000 1600 1200 800 400 0 JUNCTION CAPACITANCE,(pF) REVERSE LEAKAGE CURRENT, (mA) 10 1.0 Tj=75 C SR 820 ~S R 8 45 .1 Tj=25 C SR8 50~S R 86 0 .01 .05 .1 .5 1 5 10 50 100 .01 0 20 40 60 80 100 120 140 REVERSE VOLTAGE,(V) PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) 35