SKT4

SKT2 - SKTB PRV : 20 - 100 Volts IO : 2.5 Amperes FEATURES : * * * * * * * * High current capability High surge current capability High reliability High efficiency Low power loss Low cost Low forward voltage drop Pb / RoHS Free SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS SMB (DO-214AA) 1.1 ± 0.3 5.4 ± 0.15 4.8 ± 0.15 2.0 ± 0.1 3.6 ± 0.15 2.3 ± 0.2 0.22 ± 0.07 Dimensions in millimeter MECHANICAL DATA : * Case : SMB Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Lead Formed for Surface Mount * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.093 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS 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%. RATING Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Current (See Fig.1) Maximum Peak Forward Surge Current, 8.3ms single half sine wave superimposed on rated load (JEDEC Method) Maximum Forward Voltage at IF = 2.5 A. (Note 1) Maximum Reverse Current at Rated DC Blocking Voltage (Note 1) Junction Temperature Range Storage Temperature Range SYMBOL SKT2 SKT3 SKT4 SKT5 SKT6 SKT7 SKT8 SKT9 SKTB UNIT VRRM VRMS VDC IF(AV) IFSM 75 20 14 20 30 21 30 40 28 40 50 35 50 60 42 60 2.5 70 49 70 80 56 80 90 63 90 100 70 100 V V V A A VF IR TJ TSTG 0.5 0.74 0.5 0.79 V mA - 65 to + 150 °C °C - 65 to + 125 - 65 to + 150 Notes : (1) Pulse Test : Pulse Width = 300 µs, Duty Cycle = 2%. Page 1 of 2 Rev. 02 : March 25, 2005 RATING AND CHARACTERISTIC CURVES ( SKT2 - SKTB ) FIG.1 - FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, AMPERES 2.5 SKT5 THRU SKTB FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 75 2.0 SKT2 SKT3 SKT4 PEAK FORWARD SURGE CURRENT, AMPERES 150 175 60 1.5 45 1.0 30 0.5 15 0 0 25 50 75 100 125 0 1 2 4 6 10 20 40 60 100 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 SKT2 SKT3 SKT4 SKT8 SKT9 SKTB 1.0 1.0 SKT5 SKT6 SKT7 0.1 TJ = 25 °C TJ = 25 °C PULSE WIDTH = 300µ s 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. 02 : March 25, 2005