SK52B thru SK56B Surface Mount Schottky Rectifier Reverse Voltage 20-60V Forward Current 5A Features * Low forward voltage drop * High junction temperature * Moisture sensitivity: level 1, per J-STD-020 * Plastic package has underwriters laboratory flammability classification 94V-0 * Add suffix 'E' for halogen-free * Halogen-free according to IEC 61249-2-21 definition * AEC-Q101 qualified Package: DO-214AA (SMB) Applications For use in low voltage, high freqency inverters, free wheeling and polarity protection applications. Maximum Ratings (TA = 25C unless otherwise noted) Parameter Symbol Maximum Repetitive Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current Peak Forward Surge Current (8.3 ms single half sine-wave superimposed on rated load) Operating Junction and Storage Temperature Range Electrical Characteristics Parameter IF=5A Maximum DC Reverse Current at Rated DC Blocking Voltage Typical Junction Capacitance Unit 20 30 40 50 60 V 14 21 28 35 42 V 20 30 40 50 60 V 5.0 A IFSM 120 A TJ, TSTG -55 to +150 C SK52B SK53B SK54B SK55B SK56B SK52BE SK53BE SK54BE SK55BE SK56BE Unit (TA = 25C unless otherwise noted) Test Conditions Maximum Instantaneous Forward Voltage VRRM VRMS VDC IF(AV) SK52B SK53B SK54B SK55B SK56B SK52BE SK53BE SK54BE SK55BE SK56BE TA=25C TA=125C 4.0 V, 1 MHz Symbol VF IR 0.55 0.67 0.20 0.15 15 V mA CJ 96 pF Symbol Value Unit RJA RJC RJl 65 25 15 C/W Thermal Characteristics Parameter Typical Thermal Resistance (1) Note1: Thermal resistance from junction to lead, mounted on PCB with 8.0x8.0mm copper pads. 1/5 SK52B thru SK56B Surface Mount Schottky Rectifier Reverse Voltage 20-60V Forward Current 5A Ratings and Characteristics Curves (TA = 25C unless otherwise noted) 120 Peak Forward Surge Current (A) Output Full Wave Rectified Current (A) 5 4 3 2 1 0 0 25 50 75 100 125 150 90 60 30 0 1 Lead temperature (C) 10 Number of Cycles at 60Hz 100 Figure 2. Maximum Non-Repetitive Peak Forward Surge Current Figure 1. Forward Current Derating Curve Instantaneous Forward Current (A) 100 10 25C 50C 75C 100C 125C 150C 1 0.1 0.01 0 0.2 0.4 0.6 0.8 Instantaneous Forward Voltage (V) 1.0 Figure 3. Typical Instantaneous Forward Characteristics (SK52B thru SK54B) Instantaneous Reverse Current (A) 100000.00 10000.00 1000.00 25C 50C 75C 100C 125C 150C 100.00 10.00 1.00 10 20 30 40 50 60 70 80 90 Percent of Rated Peak Reverse Voltage (%) Figure 4. Typical Reverse Characteristics (SK52B thru SK54B) 2/5 100 110 SK52B thru SK56B Surface Mount Schottky Rectifier Reverse Voltage 20-60V Forward Current 5A Instantaneous Forward Current (A) 100 10 1 25C 50C 75C 100C 125C 150C 0.1 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 Instantaneous Forward Voltage (V) Figure 5. Typical Instantaneous Forward Characteristics (SK55B thru SK56B) Instantaneous Reverse Current (A) 100000.00 10000.00 1000.00 100.00 25C 50C 75C 100C 125C 150C 10.00 1.00 0.10 10 20 30 40 50 60 70 80 90 Percent of Rated Peak Reverse Voltage (%) Figure 6. Typical Reverse Characteristics (SK55B thru SK56B) 3/5 100 110 SK52B thru SK56B Surface Mount Schottky Rectifier Reverse Voltage 20-60V Forward Current 5A Package Outline Dimensions DO-214AA (SMB) in inches (millimeters) Packing Information 3000 pcs/Reel, 18 Reels/Box, 12mm Tape, 13" Reel Tape & Reel Specification Symbol W E F D0 D1 P0 P1 P2 A0 B0 SMB(mm) 120.2 1.750.1 5.50.05 1.50.1 1.50 +0.1/-0 4.00.1 8.00.1 2.00.05 3.950.1 5.740.1 4/5 SK52B thru SK56B Surface Mount Schottky Rectifier Reverse Voltage 20-60V Forward Current 5A Soldering Parameters Reflow Soldering Sn-Pb Eutectic Assembly Pb-Free Assembly - Temperature Min (Ts min) 100C 150C - Temperature Max (Ts max) 150C 200C 60 - 120 secs 60 - 180 secs Average ramp up rate (Liquidus) Temp (TL) to peak 3C/second max 3C/second max TS(max) to TL - Ramp-up Rate 3C/second max 3C/second max 183C 217C 60 - 150 seconds 60 - 150 seconds Pre Heat - Time (min to max) (ts) Reflow - Temperature (TL) (Liquidus) - Time (min to max) (ts) Peak Temperature (TP) 240+0/-5 C 240+0/-5C Time within 5C of actual peak Temperature (tp) 10 -30 seconds 20 - 40 seconds Ramp-down Rate 6C/second max 6C/second max Time 25C to peak Temperature (TP) 6 minutes max 8 minutes max 260C 260C Do not exceed Wave Soldering Peak Temperature Dipping Time Soldering www.goodarksemi.com 260+0/-5C 10 seconds 1 time 5/5 Doc.USSK52B-SK56BxSD2.1