CURRENT 2.5 Amperes VOLTAGE 50 to 1000 Volts RL251 THRU RL257 Features · The plastic package carries Underwrites Laboratory Flammability Classification 94V-0 · Construction utilizes void-free molded plastic technique · High surge current capability · 2.5A operation at TL=75℃ with no thermal runaway · Low reverse leakage · High temperature soldering guaranteed : 250℃/10 seconds, 0.375"(9.5mm) lead length, 5lbs.(2.3kg) tension DO-201AD 0.210(5.3) 0.188(4.8) DIA. 1.0(25.4) MIN. 0.375(9.5) 0.285(7.2) Mechanical Data · Case : JEDEC DO-201AD molded plastic body · Terminals : Lead solderable per MIL-STD-750, method 2026 · Polarity : Color band denotes cathode end · Mounting Position : Any · Weight : 0.042 ounce, 1.19 gram 1.0(25.4) MIN. 0.042(1.1) 0.037(0.9) DIA. Dimensions in inches and (millimeters) Maximum Ratings And Electrical Characteristics (Ratings at 25℃ ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive load. For capacitive load, derate by 20%) Symbols RL 251 RL 252 RL 253 RL 254 RL 255 RL 256 RL 257 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 Maximum DC blocking voltage VDC 50 100 200 400 600 800 1000 Volts Maximum average forward rectified current 0.375"(9.5mm) lead length TA=75℃ I(AV) 2.5 Amps Peak forward surge current 8.3ms half sine wave superimposed on rated load (JEDEC method) IFSM 150.0 Amps Maximum instantaneous forward voltage at IFM=2.5A, TA=25℃ VF 1.1 Volts Maximum reverse current at rated DC blocking voltage TA=25℃ TA=100℃ Typical thermal resistance (Note 2) Typical junction capacitance (Note 1) Operating and storage temperature range IR 5.0 50.0 μA RθJA 35.0 ℃/W CJ 35.0 pF TJ TSTG -50 to +175 Notes: (1) Measured at 1MHz and applied reverse voltage of 4.0V DC. (2) Thermal resistance from junction to ambient and from junction to lead at 0.375"(9.5mm) lead length, P.C.B. mounted ℃ RATINGS AND CHARACTERISTIC CURVES RL251 THRU RL257 FIG.1-FORWARD CURRENT DERATING CURVE FIG.2-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 2.0 20 INSTANTANEOUS FORWARD CURRENT(AMPERES) AVERAGE FORWARD CURRENT AMPERES 2.5 1.5 1.0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0.5 0 0 25 50 75 100 125 150 175 LEAD TEMPERATURE ( ℃) 10 1 TJ=25℃ PULSE WIDTH=300μS 0.1 1% DUTY CYCLE 0.01 FIG.3-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 0.6 1.0 1.2 1.4 1.5 INSTANTANEOUS FORWARD VOLTAGE (VOLTS) 150 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 120 90 FIG.4-TYPICAL REVERSE CHARACTERISTICS 60 10 30 5 1 10 100 NUMBER OF CYCLES AT 60Hz FIG.5-TYPICAL JUNCTION CAPACITANCE INSTANTANEOUS REVERSE CURRENT (μA) PEAK FORWARD SURGE CURRENT (AMPERES) 0.8 TJ=100℃ 1.0 0.1 TJ=25℃ JUNCTION CAPACITANCE(pF) 100 0.01 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE (%) TJ=25℃ 10 1 0.1 1 10 REVERSE VOLTAGE. VOLTS 100 120 140