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SR850 Dataheets PDF



Part Number SR850
Manufacturers Formosa MS
Logo Formosa MS
Description 8.0 AMP SCHOTTKY BARRIER RECTIFIERS
Datasheet SR850 DatasheetSR850 Datasheet (PDF)

SR820 8.0 AMP SCHOTTKY BARRIER RECTIFIERS THRU SR860 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. .108 (2.75) 8.0 Amperes 3.8 f +.2 HOLE THRU TO-220A .180 (4.6) .050 (1.27) .248 (6.3) 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.

  SR850   SR850


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SR820 8.0 AMP SCHOTTKY BARRIER RECTIFIERS THRU SR860 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. .108 (2.75) 8.0 Amperes 3.8 f +.2 HOLE THRU TO-220A .180 (4.6) .050 (1.27) .248 (6.3) 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 .040 (1.0) MAX. .051 MAX. (1.3) .040 MAX. (1.0) .200 (5.08) + CASE .595 (15.1) MAX. .550 (14.0) .158 (4.0) MIN. MAX. .120 (3.05) PIN 1 + CASE PIN 2 Case Negative Suffix "R" 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 Typical Junction Capacitance (Note1) Typical Thermal Resistance RqJC (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 V 14 21 24 28 31 35 42 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 Ta=100 C 1. Measured at 1MHz and applied reverse voltage of 4.0V D.C. 2. Thermal Resistance Junction to Case. RATING AND CHARACTERISTIC CURVES (SR820 THRU SR860) FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT,(A) FIG.2-TYPICAL FORWARD CHARACTERISTICS 12 10 50 INSTANTANEOUS FORWARD CURRENT,(A) 0~ SR 8 45 8 8 SR 6 4 2 0 0 20 40 60 80 10 5.0 SR 82 1.0 Tj=25 C Pulse Width 300us 1% Duty Cycle 100 120 140 160 180 200 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 FORWARD VOLT AGE,(V) 150 Tj=25 C 8.3ms Single Half Sine Wave JEDEC method 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 SR 820 ~S JUNCTION CAPACITANCE,(pF) REVERSE LEAKAGE CURRENT, (mA) 10 1.0 Tj=75 C 1200 800 400 0 R8 45 Tj=25 C .1 SR8 50~S R860 .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 VOLT AGE,(%) .


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