SKT2 - SKTB SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS 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 1.1 ± 0.3 4.8 ± 0.15 5.4 ± 0.15 SMB (DO-214AA) 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 otherw ise specified. Single phase, half w ave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. RATING SYMBOL SKT2 SKT3 SKT4 SKT5 SKT6 SKT7 SKT8 SKT9 SK TB UNIT Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 70 80 90 100 Volts Maximum RMS Voltage VRMS 14 21 28 35 42 49 56 63 70 Volts Maximum DC Blocking Voltage VDC 20 30 40 50 60 70 80 90 100 Volts Maximum Average Forward Current See Fig.1 IF(AV) 2.5 Amps. Peak Forward Surge Current, 8.3ms single half sine wave superimposed on rated load (JEDEC Method) Maximum Forward Voltage at I F = 2.5 Amps. (Note 1) IFSM VF 75 0.5 Amps. 0.74 0.79 Volt. Maximum Reverse Current at Rated DC Blocking Voltage (Note 1) IR Junction Temperature Range TJ Storage Temperature Range TSTG 0.5 - 65 to + 125 mA - 65 to + 150 - 65 to + 150 °C °C Notes : (1) Pulse Test : Pulse Width = 300 µs, Duty Cycle = 2%. UPDATE : SEPTEMBER 12, 1998 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) 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 FORWARD VOLTAGE, VOLTS 4 6 10 20 40 60 100 1.9 FIG.4 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MILLIAMPERES FORWARD CURRENT, AMPERES FIG.3 - TYPICAL FORWARD CHARACTERISTICS 10 2 NUMBER OF CYCLES AT 60Hz 10 TJ = 100 °C 1.0 TJ = 25 °C 0.1 0.01 0 2.1 20 40 60 80 100 120 PERCENT OF RATED REVERSE VOLTAGE, (%) 140