WILLAS SK2A THRU SK20A $ SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS -20V- 200V SMA PACKAGE FEATURES Pb Free Product SMA(DO-214AC) * Ideal for surface mounted applications * Low leakage current * Metallurgically bonded construction .181(4.60) .160(4.06) * High reliability * RoHS product for packing code suffix "G" Halogen free product for packing code suffix "H" .067(1.70) .110(2.79) .051(1.29) .086(2.18) MECHANICAL DATA .012(.305) .006(.152) Case: Molded plastic, DO-214AC/SMA .091(2.31) .067(1.70) Epoxy: UL 94V-O rate flame retardant Terminals: Solder plated, solderable per .059(1.50) MIL-STD-750, Method 2026. .008 Max. (.203) .035(0.89) Mounting position: Any Weight: Approximated 0.06 gram. .208(5.28) .188(4.80) Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25℃ ambient temperature unless otherwise specified. Single phase half wave, 60Hz, resistive of inductive load. For capacitive load, derate current by 20% R A T IN G S SYMBOL Marking Code SK32A SK33A SK34A SK35A SK36A SK38A SK310A SK315A SK320A SK32A SK33A SK34A SK35A SK36A SK38A SK310A SK315A SK320A UNIT Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 80 100 150 200 Volts Maximum RMS Voltage VRMS 14 21 28 35 42 56 70 105 140 Volts VDC 20 30 40 50 60 80 100 150 200 Volts Maximum DC Blocking Voltage IO 3.0 Amps IFSM 80 Amps Maximum Average Forward Rectified Current Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 1) Operating Temperature Range Storage Temperature Range 180 -55 to +125 SYMBOL VF Maximum Forward Voltage at 3.0A DC Maximum Average Reverse Current at @T C=25℃ @T C=100℃ IR ℃/W 150 110 100 80 -55 to +150 SK32A SK33A SK34A 0.55 SK35A 0.70 0.5 10 SK36A PF ℃ -55 to +150 TSTG CHARACTERISTICS Rated DC Blocking Voltage 70/30 RΘJA /RΘJC CJ TJ Typical Thermal Resistance (Note 2) ℃ SK38A SK310A 0.85 SK315A SK320A UNIT 0.87 0.90 Volts 0.2 5.0 mAmps NOTES: 1- Measured at 1 MHZ and applied reverse voltage of 4.0 VDC. 2- Thermal Resistance From Junction to Ambient 2011-0 WILLAS ELECTRONIC CORP. WILLAS SK2A THRU SK20A .0A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS -20V- 200V SMA PACKAGE Pb Free Product RATING AND CHARACTERISTIC CURVES FIG. 1-TYPICAL FORWARD CURRENT DERATING CURVE FIG. 2-TYPICAL FORWARD CHARACTERISTICS 100.00 INSTANTANEOUS FORWARD CURRENT (A) AVERAGE FORWARD CURRENT,(A) 5 4 3 SK32A ~SK36A SK38A ~SK320A 2 1 0 0 20 40 60 80 100 120 140 160 180 10.00 1.00 0.10 0.2 AMBIENT TEMPERATURE(℃) 0.4 0.6 0.8 FORWARD VOLTAGE (V) 1.0 FIG. 4-TYPICAL REVERSE CHARACTERISTICS 100 100 80 REVERSE LEAKAGE CURRENT (mA) PEAK FORWARD SURGE CURRENT (A) TJ=25℃ PULSE WIDTH 300us 2% DUTY CYCLE 0.01 200 FIG. 3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT S.32A~S.34A S.35$~S.36A S.38A~S.310A S.315A S.320A TJ=25℃ 8.3ms Single Half Sine Wave JEDEC method 60 40 20 25℃ 10 100℃ 1 0.1 0.01 0.001 0.0001 0 1 10 100 20 40 60 80 100 PERCENTAGE RATED PEAK REVERSE VOLTAGE (%) NUMBER OF CYCLES AT 60Hz FIG. 5-TYPICAL JUNCTION CAPACITANCE 500 SK32A~SK34A SK35A~SK36A JUNCTION CAPACITANCE (pF) 400 SK38A~SK310A SK315A SK320A 300 200 100 0 0 1 10 100 REVERSE VOLTAGE (V) 2011-0 WILLAS ELECTRONIC CORP.