SK32A thru SK36A Surface Mount Schottky Rectifier Reverse Voltage 20-60V Forward Current 3A 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 Package: DO-214AC (SMA) * AEC-Q101 qualified 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=3A 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 3.0 A IFSM 50 A TJ, TSTG -55 to +150 C SK32A SK33A SK34A SK35A SK36A SK32AE SK33AE SK34AE SK35AE SK36AE Unit (TA = 25C unless otherwise noted) Test Conditions Maximum Instantaneous Forward Voltage VRRM VRMS VDC IF(AV) SK32A SK33A SK34A SK35A SK36A SK32AE SK33AE SK34AE SK35AE SK36AE TA=25C TA=125C 4.0 V, 1 MHz Symbol VF IR 0.55 0.70 0.20 0.15 10 V mA CJ 250 pF Symbol Value Unit RJA RJC RJl 77 40 18 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 SK32A thru SK36A Surface Mount Schottky Rectifier Reverse Voltage 20-60V Forward Current 3A Ratings and Characteristics Curves (TA = 25C unless otherwise noted) 100 Peak Forward Surge Current (A) Output Full Wave Rectified Current (A) 3 2.5 2 1.5 1 0.5 0 0 25 50 75 100 125 150 80 60 40 20 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 0.2 0.4 0.6 0.8 1.0 Instantaneous Forward Voltage (V) 1.2 1.4 Figure 3. Typical Instantaneous Forward Characteristics (SK32A thru SK34A) 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 (SK32A thru SK34A) 2/5 100 110 SK32A thru SK36A Surface Mount Schottky Rectifier Reverse Voltage 20-60V Forward Current 3A Instantaneous Forward Current (A) 100 10 1 25C 50C 75C 100C 125C 150C 0.1 0.01 0.0 0.2 0.4 0.6 0.8 1.0 1.2 Instantaneous Forward Voltage (V) 1.4 1.6 Figure 5. Typical Instantaneous Forward Characteristics (SK35A thru SK36A) 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 (SK35A thru SK36A) 3/5 100 110 SK32A thru SK36A Surface Mount Schottky Rectifier Reverse Voltage 20-60V Forward Current 3A Package Outline Dimensions DO-214AC (SMA) in inches (millimeters) Packing Information 7500 pcs/Reel, 18 Reels/Box, 12mm Tape, 13" Reel Tape & Reel Specification Symbol W E F D0 D1 P0 P1 P2 A0 B0 SMA(mm) 120.2 1.750.1 5.50.05 1.50.1 1.50 +0.1/-0 4.00.1 4.00.1 2.00.05 2.650.1 5.250.1 4/5 SK32A thru SK36A Surface Mount Schottky Rectifier Reverse Voltage 20-60V Forward Current 3A 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.USSK32A-SK36AxSD2.0