BY251 THRU BY255 星合电子 GENERAL PURPOSE PLASTIC RECTIFIER ＸＩＮＧＨＥ ＥＬＥＣＴＲＯＮＩＣＳ Reverse Voltage - 200 to 1300 Volts Forward Current -3.0Amperes FEATURES DO-201AD XJHF Low forward voltage drop High current capability 1.0(25.4) MIN High reliability High surge current capability High temperature soldering guaranteed:260 °C/10 seconds at terminals Component in accordance to RoHs 2002/95/EC and WEEE 2002/96/EC 0.220(5.6) 0.197(5.0) DIA MECHANICAL DATA 0.375(9.50) 0.335(8.50) Case: JEDEC DO-201AD molded plastic body Terminals: Plated axial lead solderable per MIL-STD-750,method 2026 Polarity: Color band denotes cathode end Weight: 1.2 grams 1.0(25.4) MIN 0.052(1.30) 0.048(1.20) DIA Dimensions in inches and (millimeters) 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 BY 251 BY 252 BY 253 BY 254 BY 255 200 400 600 800 1300 140 280 420 560 910 200 400 600 800 1300 Units Maximum DC Blocking Voltage VRRM VRMS VDC Maximum average Forward Rectified Current 0.5"(12.5mm)lead length at TA=75 C I(AV) 3.0 Amps Peak Forward Surge Current (8.3ms half sinewave superimposed on rated load (JEDEC method) IFSM 150.0 Amps VF 1.0 Volts Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum Instantaneous Forward Voltage at 3.0 A Maximum Reverse TA =25 C current at rated DC Blocking TA =100 C Voltage Maximum Full Load Reverse Current,Full Cycle Average .375"(9.5mm)Lead Length @TA=75°C 5.0 100.0 IR 30 Volts Volts Volts A A Typical Junction Capacitance (Note 1) CJ 40.0 PF Typical Thermal Resistance (Note 2) R JA TJ TSTG 40.0 C/W -65 to+150 C Operating and Storage temperature Range Note: 1.Measured at 1MHz and applied reverse voltage of 4.0V D.C 2.Mount onCu-Pad Size 16mm×16MM on P.C.B. 1 ＧＡＯＭＩ ＸＩＮＧＨＥ ＥＬＥＣＴＲＯＮＩＣＳ ＣＯ．，ＬＴＤ． ＷＷＷ．ＳＤＤＺＧ．ＣＯＭ BY251 THRU BY255 星合电子 GENERAL PURPOSE PLASTIC RECTIFIER ＸＩＮＧＨＥ ＥＬＥＣＴＲＯＮＩＣＳ FIG.2-TYPICAL INSTANTANEOUS FORWARD VOLTAGE.(V) 4 100 3 30 2 INSTANTANEOUS FORWARD CURRENT( AMPERES) AVERAGE FORWARD CURRENT (AMPERES) FIG.1-FORWARD CURRENT DERATING CURVE SILICON RECTIFIER Reverse Voltage - 200 to 1300 Volts Forward Current -3.0Amperes SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0.375"(9.5mm) lead length 1 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE ( C) FIG.3-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 150 10 3 1 0.1 TJ=25 C PULSE WIDTH=300 S 1% DUTY CYCLE 0.3 PEAK FORWARD SURGE CURRENT(AMPERES) 0.01 0.4 100 0.8 1.0 1.2 1.4 1.6 1.8 INSTANTANEOUS FORWARD VOLTAGE (VOLTS) 50 FIG.4-TYPICAL REVERSE CHARACTERISTICS 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 1 10 INSTANTANEOUS REVERSE CURRENT ( A) 0 100 NUMBER OF CYCLES AT 60Hz FIG.5-TYPICAL JUNCTION CAPACITANCE 100 JUNCTION CAPACITANCE(pF) 0.6 50 10 TJ=100 C 1.0 0.1 TJ=25 C 0.01 10 TJ=25 C 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE % 5 1 1 5 10 50 100 REVERSE VOLTAGE.( VOLTS) 2 ＧＡＯＭＩ ＸＩＮＧＨＥ ＥＬＥＣＴＲＯＮＩＣＳ ＣＯ．，ＬＴＤ． ＷＷＷ．ＳＤＤＺＧ．ＣＯＭ