RL251 THRU RL257 Ｒ GENERAL PURPOSE PLASTIC RECTIFIER FEATURES SILICON RECTIFIER Reverse Voltage - 50 to 1000 Volts Forward Current -2.5Amperes S E M I C O N D U C T O R R-3 The plastic package has Underwrites Laboratory Flammability Classification 94V-0 Construction utilizes void-free molded plastic technique High surge current capability 2.5A operation at TL=75 C with no thermal runaway Low reverse leakage High temperature soldering guaranteed: 250 C/10 seconds,0.375"(9.5mm) lead length,5lbs.(2.3kg)tension JF １．０（２５．４） ＭＩＮ ０．１６０（４．１） ０．１３８（３．５） ＤＩＡ ０．１６０（４．１） ０．１３８（３．５） MECHANICAL DATA １．０（２５．４） ＭＩＮ ０．０４２（１．１） ０．０４０（１．０） ＤＩＡ Case: R-3 molded plastic body Terminals: Lead solderable per MIL-STD-750,method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Dimensions in inches and (millimeters) Weight: 0.021ounce, 0.60 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (Ratings at 25 C 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 50 100 300 400 600 200 1000 35 70 210 280 420 140 700 50 100 300 400 600 200 1000 Units Maximum DC Blocking Voltage VRRM VRMS VDC Maximum average Forward Rectified Current 0.375"(9.5mm)lead length at TA=75 C I(AV) 2.5 Amps Peak Forward Surge Current (8.3ms half sinewave superimposed on rated load (JEDEC method) IFSM 150.0 Amps VF 1.1 Volts Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum Instantaneous Forward Voltage at IFM=2.5 A ,TA=25 C Maximum Reverse current at rated DC Blocking Voltage T A =25 C T A =100 C Typical Thermal Resistance (Note 2) 5.0 IR R CJ Operating and Storage temperature Range TJ TSTG A 50.0 JA Typical Junction Capacitance(Note 1) Volts Volts Volts 35.0 C/W 35.0 PF -50 to+175 C Note: 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 7-32 JINAN JINGHENG CO., LTD. NO.51 HEPING ROAD PR CHINA TEL:86-531-6943657 FAX:86-531-6947096 WWW.JIFUSEMICON.COM SILICON RECTIFIER RATINGS AND CHARACTERISTIC CURVES RL251 THRU RL257 FIG.1-FORWARD CURRENT DERATING CURVE FIG.2-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS ２．０ 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 ( C) ２０ １０ １ TJ=25 C PULSE WIDTH=300 S 1% DUTY CYCLE ０．１ ０．０１ FIG.3-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT ０．６ ０．８ １．０ １．２ １．４ １．５ INSTANTANEOUS FORWARD VOLTAGE (VOLTS) 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) １２０ ９０ FIG.4-TYPICAL REVERSE CHARACTERISTICS ６０ １０ ３０ INSTANTANEOUS REVERSE CURRENT ( A) PEAK FORWARD SURGE CURRENT(AMPERES) １５０ ５ １ １０ １００ NUMBER OF CYCLES AT 60Hz FIG.5-TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE(pF) １００ TJ=100 C １．０ ０．１ TJ=25 C ０．０１ ０ ２０ ４０ ６０ ８０ １００ １２０ １４０ PERCENT OF RATED PEAK REVERSE VOLTAGE % TJ=25 C １０ １ ０．１ １ １０ １００ REVERSE VOLTAGE. (VOLTS) 7-33 JINAN JINGHENG CO., LTD. NO.51 HEPING ROAD PR CHINA TEL:86-531-6943657 FAX:86-531-6947096 WWW.JIFUSEMICON.COM