TH09/2479 TH97/2478 www.eicsemi.com RL251 - RL257 IATF 0113686 SGS TH07/1033 SILICON RECTIFIER DIODES D2A PRV : 50 - 1000 Volts Io : 2.5 Amperes FEATURES : * * * * * * 1.00 (25.4) MIN. 0.161 (4.1) 0.154 (3.9) High current capability High surge current capability High reliability Low reverse current Low forward voltage drop Pb / RoHS Free 0.284 (7.2) 0.268 (6.8) 1.00 (25.4) MIN. 0.040 (1.02) 0.0385 (0.98) MECHANICAL DATA : * Case : D2A Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.645 gram Dimensions in inches and ( millimeters ) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 °C ambient temperature unless otherwise specified. RATING SYMBOL RL251 RL252 RL253 RL254 RL255 RL256 RL257 UNIT Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 V Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 V Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 V Maximum Average Forward Current at Ta = 75 °C IF(AV) 2.5 A IFSM 150 A Maximum Forward Voltage at IF = 2.5 A VF 1.1 V Maximum DC Reverse Current Ta = 25 °C IR 5 μA at rated DC Blocking Voltage Ta = 100 °C IR(H) 50 μA CJ 35 pF RӨJA 35 °C/W TJ, TSTG - 65 to + 175 °C Peak Forward Surge Current 8.3ms Single half sine wave Superimposed on rated load (JEDEC Method) Typical Junction Capacitance (Note 1) Typical Thermal Resistance Operation Junction and Storage Temperature Range Note : (1) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC Page 1 of 2 Rev. 00 : June 20, 2007 TH09/2479 TH97/2478 IATF 0113686 SGS TH07/1033 www.eicsemi.com RATING AND CHARACTERISTIC CURVES (RL251 - RL257) FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 150 2.5 8.3 ms Single half sine-wave 2.0 PEAK FORWARD SURGE CURRENT, (A) AVERAGE FORWARD CURRENT, (A) FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT 1.5 1.0 Single phase half wave 60 Hz inductive or Resistive load 0.5 120 90 60 30 0 0 0 25 50 75 100 125 150 175 1 AMBIENT TEMPERATURE, ( °C) 2 4 6 10 20 40 60 100 NUMBER OF CYCLES AT 60Hz FIG.3 - TYPICAL FORWARD CHARACTERISTICS FIG.4 - TYPICAL REVERSE CHARACTERISTICS 20 10 TJ = 100 REVERSE CURRENT, (μA) INSTANTANEOUS FORWARD CURRENT, (A) 10 1 0.1 TJ = 25 °C Pulse Width = 300 μs 1% Duty Cycle 0.1 TJ = 25 °C 0.01 0.01 0.6 0.8 1.0 1.2 1.4 INSTANTANEOUS FORWARD VOLTAGE, (V) Page 2 of 2 1 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) Rev. 00 : June 20, 2007