RL251G thru RL257G REVERSE VOLTAGE - 50 to 1000 Volts FORWARD CURRENT - 2.5 Amperes GLASS PASSIVATED RECTIFIERS R-3 FEATURES Low cost Diffused junction Low forward voltage drop Low reverse leakage current 1.0(25.4) MIN High current capability .042(1.07) .038(0.97) The plastic material carries UL recognition 94V-0 .171(4.35) .156(3.95) .157(4.0) .142(3.6) MECHANICAL DATA 1.0(25.4) MIN Case: JEDEC R-3 molded plastic Polarity: Color band denotes cathode Weight: 0.021 ounces , 0.58 grams Mounting position: Any Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 ambient temperature unless otherwise specified. Single phase, half wave ,60Hz, resistive or inductive load. For capacitive load, derate current by 20% CHARACTERISTICS SYMBOL RL251G RL252G RL253G RL254G RL255G RL256G RL257G Maximum Recurrent Peak Reverse Voltage VRRM 50 Maximum RMS Voltage VRMS VDC Maximum DC Blocking Voltage Maximum Average Forward Rectified Current @TA =70 100 200 400 600 800 35 70 140 280 420 50 100 200 400 600 UNIT 1000 V 560 700 V 800 1000 V I(AV) 2.5 A IFSM 150 A VF 1.0 V Peak Forward Surge Current 8.3ms Single Half Sine-Wave Super Imposed on Rated Load(JEDEC Method) Maximum Peak Forward Voltage at 2.5A DC Maximum DC Reverse Current @TJ=25 at Rated DC Blocking Voltage @TJ=100 Typical Junction Capacitance (Note1) Typical Thermal Resistance (Note2) Operating Temperature Range Storage Temperature Range 5.0 IR 50 uA CJ 25 pF RJA 30 /W TJ -55 to +150 TSTG -55 to +150 NOTES:1.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC 2.Thermal resistance junction of ambient. ~ 29 ~ RATING AND CHARACTERTIC CURVES RL251G thru RL257G FIG. 2 - MAXIMUM NON-REPETITIVE SURGE CURRENT FIG. 1 - FORWARD CURRENT DERATING CURVE 200 PEAK FORWARD SURGE CURRENT (AMPERES) AVERAGE FORWARD CURRENT (AMPERES) 3.0 2.5 2.0 1.5 1.0 0.5 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0 25 50 75 100 125 150 175 PULSE WIDTH 8.3ms SINGLE HALF-SINE-WAVE (JEDEC METHOD) 150 100 50 0 1 2 10 4 20 100 40 LEAD TEMPERATURE NUMBER OF CYCLES AT 60Hz FIG.3 - TYPICAL JUNCTION CAPACITANCE FIG.4-TYPICAL FORWARD CHARACTERISTICS 10 INSTANTANEOUS FORWARD CURRENT,(A) 100 60 CAPACITANCE (pF) 40 20 10 4 TJ = 25C f = 1 MHz 2 1.0 TJ = 25C 0.1 PULSE WIDTH 300us 0.01 1 .1 .2 .4 1.0 2 4 20 40 100 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE,VOLTS REVERSE VOLTAGE,VOLTS ~ 30 ~ 1.8