SKT2 - SKTB SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS PRV : 20 - 100 Volts IO : 2.5 Amperes SMB (DO-214AA) * * * * * * * * 4.8 ± 0.15 5.4 ± 0.15 FEATURES : High current capability High surge current capability High reliability High efficiency Low power loss Low cost Low forward voltage drop Pb / RoHS Free 1.1 ± 0.3 0.22 ± 0.07 2.0 ± 0.1 2.3 ± 0.2 3.6 ± 0.15 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 SYMBOL SKT2 SKT3 SKT4 SKT5 SKT6 SKT7 SKT8 SKT9 SKTB UNIT Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 70 80 90 100 V Maximum RMS Voltage VRMS 14 21 28 35 42 49 56 63 70 V Maximum DC Blocking Voltage VDC 20 30 40 50 60 70 80 90 100 V Maximum Average Forward Current (See Fig.1) IF(AV) 2.5 A Maximum Peak Forward Surge Current, 8.3ms single half sine wave superimposed IFSM 75 A on rated load (JEDEC Method) Maximum Forward Voltage at IF = 2.5 A. (Note 1) VF Maximum Reverse Current at 0.5 IR TJ Storage Temperature Range TSTG 0.79 - 65 to + 125 V mA 0.5 Rated DC Blocking Voltage (Note 1) Junction Temperature Range 0.74 - 65 to + 150 - 65 to + 150 °C °C 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.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 75 2.5 SKT5 THRU SKTB 2.0 SKT2 SKT3 SKT4 1.5 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT, AMPERES FIG.1 - FORWARD CURRENT DERATING CURVE 1.0 0.5 0 0 25 50 75 100 125 150 60 45 30 15 0 175 1 LEAD TEMPERATURE, (°C) FORWARD CURRENT, AMPERES 20 SKT8 SKT9 SKTB SKT2 SKT3 SKT4 SKT5 SKT6 SKT7 1.0 TJ = 25 °C PULSE WIDTH = 300µs DUTY CYCLE = 2% 0.1 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 4 6 10 20 40 60 100 1.9 FIG.4 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MILLIAMPERES FIG.3 - TYPICAL FORWARD CHARACTERISTICS 10 2 NUMBER OF CYCLES AT 60Hz 2.1 10 TJ= 100 °C 1.0 TJ = 25 °C 0.1 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) FORWARD VOLTAGE, VOLTS Page 2 of 2 Rev. 02 : March 25, 2005