SK3B

SK32 - SK3B PRV : 20 - 100 Volts IO : 3.0 Amperes FEATURES : * * * * * * High current capability High surge current capability High reliability High efficiency Low power loss Low forward voltage drop SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS SMC (DO-214AB) 0.060(1.5 2) 0.030(0.7 6) 0.3 05(7.75) 0.320(8.13) 0.280(7.11) 0.260(6.60) 0.008(0.203) 0.004(0.102) 0.121(3.07) 0.115(2.92) 0.245(6.2 2) 0.220(5.5 9) 0.103(2.62 ) 0.079(2.00 ) 0.012(0.305) 0.006(0.152) MECHANICAL DATA : * * * * * * Case : SMC Molded plastic Epoxy : UL94V-O rate flame retardant Lead : Lead Formed for Surface Mount Polarity : Color band denotes cathode end Mounting position : Any Weight : 0.21 gram Dimensions in inches and (millimeter) Rating at 25 °C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATING Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Current See Fig.1 SYMBOL VRRM VRMS VDC IF(AV) IFSM SK SK SK SK SK SK SK SK SK UNIT 32 33 34 35 36 37 38 39 3B 20 30 40 28 50 35 50 60 42 60 3.0 80 70 49 70 80 56 80 90 63 90 100 70 100 V V V A A 14 21 20 30 40 Maximum Peak Forward Surge Current, 8.3ms single half sine wave superimposed on rated load (JEDEC Method) Maximum Forward Voltage at IF = 3.0 A Maximum Reverse Current at Rated DC Blocking Voltage (Note 1) Junction Temperature Range Storage Temperature Range Ta = 25 °C Ta = 100 °C VF IR IR(H) TJ TSTG - 65 to + 125 0.5 0.74 0.5 20 - 65 to + 150 - 65 to + 150 0.79 V mA mA °C °C Notes : (1) Pulse Test : Pulse Width = 300 µ s, Duty Cycle = 2% Page 1 of 2 Rev. 01 : January 10, 2004 RATING AND CHARACTERISTIC CURVES ( SK32 - SK3B ) FIG.1 - FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, AMPERES 3.0 SK35 THRU SK3B FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 100 2.4 SK32 SK33 SK34 PEAK FORWARD SURGE CURRENT, AMPERES 150 175 80 1.8 60 1.2 40 0.6 20 0 0 25 50 75 100 125 0 1 2 4 10 20 40 100 LEAD TEMPERATURE, (°C) NUMBER OF CYCLES AT 60Hz FIG.3 - TYPICAL FORWARD CHARACTERISTICS 20 FIG.4 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MILLIAMPERES 10 TJ= 100 °C FORWARD CURRENT, AMPERES 10 SK32 SK33 SK34 SK38 SK39 SK3B 1.0 1.0 SK35 SK36 SK37 0.1 TJ = 25 °C TJ = 25 °C PULSE WIDTH = 300µs DUTY CYCLE = 2% 0.1 0.1 0.01 0 20 40 60 80 100 120 140 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 PERCENT OF RATED REVERSE VOLTAGE, (%) FORWARD VOLTAGE, VOLTS Page 2 of 2 Rev. 01 : January 10, 2004