SR202 THRU SR206 Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 Features • • • • • • 2 Amp Schottky Barrier Rectifier 20 - 60 Volts Schottky Barrier Rectifier Guard Ring Protection Low Forward Voltage Reverse Energy Tested High Current Capability Extremely Low Thermal Resistance Maximum Ratings • • • DO-41 Operating Temperature: -50°C to +125°C Storage Temperature: -50°C to +125°C Maximum Thermal Resistance; 30°C/W Junction To Lead D catalog Number SR202 SR203 SR204 SR206 Device Marking Maximum Recurrent Maximum RMS Voltage Peak Reverse Voltage SR202 SR203 SR204 SR206 20V 30V 40V 60V 14V 21V 28V 42V Maximum DC Blocking Voltage 20V 30V 40V 60V A Cathode Mark B D Electrical Characteristics @ 25°C Unless Otherwise Specified Average forward current Maximum surge current IF(AV) 2A IFSM 50A Max peak forward voltage SR202-SR204 SR206 Max peak reverse current Typical junction capacitance VFM Square wave 8.3ms, half sine, TJ = 150°C IFM = 2.0A; TJ = 25°C* .55V .70V IRM CJ VRRM, TJ = 25°C 1.0 mA 50pF C DIMENSIONS DIM A B C D INCHES MIN .166 .080 .028 1.000 VR = 5.0V, TJ = 25°C *Pulse test: Pulse width 300 µsec, Duty cycle 2% www.cnelectr.com MAX .205 .107 .034 --- MM MIN 4.10 2.00 .70 25.40 MAX 5.20 2.70 .90 --- NOTE SR202 thru SR206 Figure 1 Typical Forward Characteristics Figure 3 Maximum Nonrepetitive Surge Current 100 80 60 60 40 50 Amps 20 40 TL = 70°C 30 25°C 20 10 8.0 10 6.0 1 Amps 10 100 Cycles 4.0 Peak Forward Current - Amperesversus Number of Cycles at 60Hz 2.0 Figure 4 Forward Current Derating 1.0 .8 125 .6 120 .4 115 °C .2 110 105 .1 100 .2 0 .4 .8 .6 1.0 1.2 1.4 Resistive or 95 Inductive Load Volts Instantaneous Forward Current - Amperesversus Instantaneous Forward Voltage - Volts 90 .4 .8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 Amps Maximum Allowable Case Temperature °C - versus Average Forward Current - Amperes Figure 2 Typical Reverse Characteristics 100 10 mA 100°C 1.0 .1 75°C .01 25°C .001 0 5 10 15 20 25 30 35 40 45 50 Volts Typical Reverse Current - mAversus Reverse Voltage - Volts www.cnelectr.com 4.0