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