RL251 DC COMPONENTS CO., LTD. THRU RECTIFIER SPECIALISTS R RL257 TECHNICAL SPECIFICATIONS OF SILICON RECTIFIER VOLTAGE RANGE - 50 to 1000 Volts CURRENT - 2.5 Amperes FEATURES * * * * Low cost Low leakage Low forward voltage drop High current capability R-3 MECHANICAL DATA * * * * * * Case: Molded plastic Epoxy: UL 94V-0 rate flame retardant Lead: MIL-STD-202E, Method 208 guaranteed Polarity: Color band denotes cathode end Mounting position: Any Weight: 0.54 gram .042(1.1) .040(1.0) .160(4.1) .138(3.5) .160(4.1) .138(3.5) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. Dimensions in inches and (millimeters) SYMBOL RL251 RL252 RL253 RL254 RL255 RL256 RL257 UNITS Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 Volts Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 Volts VDC 50 100 200 400 600 800 1000 Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at T A = 75 oC Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum Instantaneous Forward Voltage at 2.5A DC Maximum DC Reverse Current @T A = 25 oC at Rated DC Blocking Voltage @T A = 100 oC Maximum Full Load Reverse Current Average, Full Cycle o .375*(9.5mm) lead length at T L = 75 C Typical Junction Capacitance (Note) Typical Thermal Resistance Operating and Storage Temperature Range NOTES : Measured at 1 MHZ and applied reverse voltage of 4.0 volts Volts IO 2.5 Amps I FSM 150 Amps VF 1.0 5.0 50 Volts IR 30 CJ 35 RθJA T J , T STG 35 -65 to + 175 µAmps µAmps pF 0 C/ W 0 C