RL251

Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 RL251 THRU RL257 2.5 Amp Silicon Rectifier 50 to 1000 Volts R-3 Features • • • • Low Cost Low Leakage Low Forward Voltage Drop High Current Capability • • • Maximum Ratings Operating Temperature: -55 °C to +150°C Storage Temperature: -55°C to +150°C Typical Thermal Resistance (R θJA) 35°C/W Device Marking Maximum Recurrent Peak Reverse Voltage 50V 100V 200V 400V 600V 800V 1000V Maximum RMS Voltage 35V 70V 140V 280V 420V 560V 700V Maximum DC Blocking Voltage 50V 100V 200V 400V 600V 800V 1000V D Catalog Number RL251 RL252 RL253 RL254 RL255 RL256 RL257 --------------- A Cathode Mark B D Electrical Characteristics @ 25°C Unless Otherwise Specified Average Forward IF(AV) 2.5 A TA = 75°C Current Peak Forward Surge IFSM 150A 8.3ms, half sine Current IFM = 2.5A; Maximum 1.0V Instantaneous VF TA = 25°C Forward Voltage Maximum DC Reverse Current At IR 5.0µA TA = 25°C Rated DC Blocking 50µA TA = 100°C Voltage Typical Junction CJ 35pF Measured at Capacitance 1.0MHz, VR=4.0V *Pulse Test: Pulse Width 300 µsec, Duty Cycle 1% C DIMENSIONS INCHES MIN ----.040 1.000 MM MIN ----1.01 25.40 DIM A B C D MAX .160 .160 .042 --- MAX 4.10 4.10 1.07 --- NOTE www.cnelectr.com RL251 thru RL257 Figure 1 Typical Forward Characteristics 20 10 6 4 2.5 2 Amps 1 .6 .4 .2 .1 .06 .04 .02 .01 .2 .4 .6 Volts Instantaneous Forward Current - Amperesversus Instantaneous Forward Voltage - Volts .8 1.0 1.2 0 .5 Single Phase, Half Wave 60Hz Resistive or Inductive Load 0 50 75 100 °C Average Forward Rectified Current - Amperes ersus v Ambient Temperature - °C 125 150 175 Amps 1.0 25°C 3.0 Figure 2 Forward Derating Curve 2.0 1.5 Figure 3 Junction Capacitance 100 60 40 20 pF 10 6 4 2 1 .1 .2 .4 1 Volts 2 4 10 20 40 100 200 400 1000 TJ=25°C Junction Capacitance - pFversus Reverse Voltage - Volts www.cnelectr.com RL251 thru RL257 Figure 4 Typical Reverse Characteristics 10 6 4 120 2 TJ=100°C 1 .6 .4 .2 Amps .1 .06 .04 .02 .01 .006 .00 4 .002 .001 20 40 60 80 Volts Instantaneous Reverse Current - Ampsversus Percent Of Rated Peak Reverse Voltage - Volts 100 120 140 TJ=25°C Amps 90 60 30 0 1 4 6 8 10 Cycles Peak Forward Surge Current - Amperesversus Number Of Cycles At 60Hz - Cycles 20 40 60 80 100 180 150 Figure 5 Peak Forward Surge Current 2 www.cnelectr.com