SK3BA

SK37A thru SK3BA Surface Mount Schottky Rectifier Reverse Voltage 70-100V 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 = 25°C 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 SK39A SK3BA Unit 70 80 90 100 V 42 56 63 70 V 70 80 90 100 V 3.0 A IFSM 100 A TJ, TSTG -55 to +150 °C Symbol Value Unit VF 0.79 V IR 30 2000 μA CJ 100 pF Symbol Value Unit RθJA RθJC RθJl 77 40 18 °C/W (TA = 25°C unless otherwise noted) Test Conditions Maximum Instantaneous Forward Voltage VRRM VRMS VDC IF(AV) SK38A SK37A TA=25°C TA=125°C 4.0 V, 1 MHz Thermal Characteristics Parameter Typical Thermal Resistance (1) Note1: Thermal resistance from junction to lead, mounted on PCB with 8.0×8.0mm copper pads. 1/4 SK37A thru SK3BA Surface Mount Schottky Rectifier Reverse Voltage 70-100V Forward Current 3A Ratings and Characteristics Curves (TA = 25°C 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 1 0.1 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 25°C 50°C 75°C 100°C 125°C 150°C Instantaneous Forward Voltage (V) Figure 3. Typical Instantaneous Forward Characteristics Instantaneous Reverse Current (μA) 10000.00 1000.00 100.00 25°C 50°C 75°C 100°C 125°C 150°C 10.00 1.00 0.10 0.01 10 20 30 40 50 60 70 80 90 Percent of Rated Peak Reverse Voltage (%) Figure 4. Typical Reverse Characteristics 2/4 100 110 SK37A thru SK3BA Surface Mount Schottky Rectifier Reverse Voltage 70-100V 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) 12±0.2 1.75±0.1 5.5±0.05 1.5±0.1 1.50 +0.1/-0 4.0±0.1 4.0±0.1 2.0±0.05 2.65±0.1 5.25±0.1 3/4 SK37A thru SK3BA Surface Mount Schottky Rectifier Reverse Voltage 70-100V Forward Current 3A Soldering Parameters Reflow Soldering Sn-Pb Eutectic Assembly Pb-Free Assembly - Temperature Min (Ts min) 100°C 150°C - Temperature Max (Ts max) 150°C 200°C 60 – 120 secs 60 – 180 secs Average ramp up rate (Liquidus) Temp (TL) to peak 3°C/second max 3°C/second max TS(max) to TL - Ramp-up Rate 3°C/second max 3°C/second max 183°C 217°C 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/-5°C Time within 5°C of actual peak Temperature (tp) 10 –30 seconds 20 – 40 seconds Ramp-down Rate 6°C/second max 6°C/second max Time 25°C to peak Temperature (TP) 6 minutes max 8 minutes max 260°C 260°C Do not exceed Wave Soldering Peak Temperature Dipping Time Soldering www.goodarksemi.com 260+0/-5°C 10 seconds 1 time 4/4 Doc.USSK37A-SK3BAxSD2.2 Aug. 2022