元器件交易网www.cecb2b.comMOTOROLASEMICONDUCTOR TECHNICAL DATAOrder this documentby MUR420/DSWITCHMODE™Power Rectifiers...designed for use in switching power supplies, inverters and as freewheeling diodes, these state–of–the–art devices have the following features:••••••Ultrafast 25, 50 and 75 Nanosecond Recovery Times175°C Operating Junction TemperatureLow Forward VoltageLow Leakage CurrentHigh Temperature Glass Passivated JunctionReverse Voltage to 600 VoltsMUR420MUR460MUR420 and MUR460 areMotorola Preferred DevicesMechanical Characteristics:•Case: Epoxy, Molded•Weight: 1.1 gram (approximately)•Finish: All External Surfaces Corrosion Resistant and Terminal Leads areReadily Solderable•Lead and Mounting Surface Temperature for Soldering Purposes: 220°CMax. for 10 Seconds, 1/16″ from case•Shipped in plastic bags, 5,000 per bag•Available Tape and Reeled, 1500 per reel, by adding a “RL’’ suffix to thepart number•Polarity: Cathode indicated by Polarity Band•Marking: U420, U460ULTRAFASTRECTIFIERS4.0 AMPERES200–600 VOLTSCASE 267–03PLASTICMAXIMUM RATINGSMURRiRatingPeak Repetitive Reverse VoltageWorking Peak Reverse VoltageDC Blocking VoltageAverage Rectified Forward Current (Square Wave)(Mounting Method #3 Per Note 1)Nonrepetitive Peak Surge Current(Surge applied at rated load conditions, half wave, single phase, 60 Hz)Operating Junction Temperature and Storage TemperatureSblSymbolVRRMVRWMVRIF(AV)IFSMTJ, Tstg420200460600UiUnitVolts4.0 @ TA = 80°C1254.0 @ TA = 40°C70AmpsAmps°C*65 to +175THERMAL CHARACTERISTICSMaximum Thermal Resistance, Junction to AmbientRθJASee Note 1°C/WELECTRICAL CHARACTERISTICSMaximum Instantaneous Forward Voltage (1)(iF = 3.0 Amps, TJ = 150°C)(iF = 3.0 Amps, TJ = 25°C)(iF = 4.0 Amps, TJ = 25°C)Maximum Instantaneous Reverse Current (1)(Rated dc Voltage, TJ = 150°C)(Rated dc Voltage, TJ = 25°C)Maximum Reverse Recovery Time(IF = 1.0 Amp, di/dt = 50 Amp/µs)(IF = 0.5 Amp, iR = 1.0 Amp, IREC = 0.25 Amp)Maximum Forward Recovery Time(IF = 1.0 A, di/dt = 100 A/µs, Recovery to 1.0 V)(1) Pulse Test: Pulse Width = 300 µs, Duty Cycle v2.0%.SWITCHMODE is a trademark of Motorola, Inc.Preferred devices are Motorola recommended choices for future use and best overall value.vFVolts0.7100.8750.8901505.03525251.051.251.28µA25010ns755050nsiRtrrtfrRev 3©Rectifier Device Data Motorola, Inc. 19961元器件交易网www.cecb2b.comMUR420 MUR460MUR420100IR, REVERSE CURRENT ( m A)70503020iF, INSTANTANEOUS FORWARD CURRENT (AMPS)8040208.04.02.00.80.40.20.080.040.020.0080.0040.00205.03.02.0TJ = 175°C25°CIF(AV), AVERAGE FORWARD CURRENT (AMPS)108.0Rated VRRqJA = 28°C/W100°C20406080100120140VR, REVERSE VOLTAGE (VOLTS)TJ = 175°C100°C25°C107.0160180200Figure 2. Typical Reverse Current1.00.70.50.30.26.0dc4.0SQUARE WAVE2.000.10.20.30.40.50.60.70.80.91.01.11.2050100150200250vF, INSTANTANEOUS VOLTAGE (VOLTS)TA, AMBIENT TEMPERATURE (°C)Figure 1. Typical Forward VoltageFigure 3. Current Derating(Mounting Method #3 Per Note 1)PF(AV), AVERAGE POWER DISSIPATION (WATTS)109.08.07.06.05.04.03.02.01.0001.02.03.04.05.06.07.08.0SQUAREWAVEdc(CapacitiveIPK=20IAVLoad)105.0C, CAPACITANCE (pF)200TJ = 25°C100908070605040302001020304050VR, REVERSE VOLTAGE (VOLTS)IF(AV), AVERAGE FORWARD CURRENT (AMPS)Figure 4. Power DissipationFigure 5. Typical Capacitance2Rectifier Device Data元器件交易网www.cecb2b.comMUR420 MUR460MUR46020IR, REVERSE CURRENT ( m A)4002008040208.04.02.00.80.40.20.080.040.020.0080.004TJ = 175°C107.05.03.02.0100°C25°CiF, INSTANTANEOUS FORWARD CURRENT (AMPS)TJ = 175°C25°C100°C01002003004005006007001.00.70.5IF(AV), AVERAGE FORWARD CURRENT (AMPS)0.30.2108.0VR, REVERSE VOLTAGE (VOLTS)Figure 7. Typical Reverse CurrentRated VRRqJA = 28°C/W0.10.070.050.030.020.30.50.70.91.11.31.51.71.92.12.36.04.0SQUARE WAVEdc2.00050100150200250vF, INSTANTANEOUS VOLTAGE (VOLTS)TA, AMBIENT TEMPERATURE (°C)Figure 6. Typical Forward VoltageFigure 8. Current Derating(Mounting Method #3 Per Note 1)PF(AV), AVERAGE POWER DISSIPATION (WATTS)1412108.06.04.02.0001.02.03.04.05.06.0(CapacitiveLoad)IPK=20IAV10SQUAREWAVE5.0C, CAPACITANCE (pF)dc4030TJ = 25°C20109.08.07.06.05.07.08.09.0104.0010203040VR, REVERSE VOLTAGE (VOLTS)50IF(AV), AVERAGE FORWARD CURRENT (AMPS)Figure 9. Power DissipationFigure 10. Typical CapacitanceRectifier Device Data3元器件交易网www.cecb2b.comMUR420 MUR460NOTE 1 — AMBIENT MOUNTING DATAData shown for thermal resistance junction–to–ambient(RθJA) for the mountings shown is to be used as typicalguideline values for preliminary engineering or in case the tiepoint temperature cannot be measured.TYPICAL VALUES FOR RθJA IN STILL AIRMountingMethod12RθJA3Lead Length, L (IN)1/81/41/23/4505153555859616328Units°C/W°C/W°C/WMOUNTING METHOD 1P.C. Board Where Available CopperSurface area is small.LLMOUNTING METHOD 2Vector Push–In Terminals T–28LLMOUNTING METHOD 3P.C. Board with1–1/2″x1–1/2″Copper SurfaceL = 1/2″Board Ground Plane4Rectifier Device Data元器件交易网www.cecb2b.comMUR420 MUR460PACKAGE DIMENSIONSBD1NOTES:1.DIMENSIONING AND TOLERANCING PER ANSIY14.5M, 1982.2.CONTROLLING DIMENSION: INCH.DIMABDKINCHESMINMAX0.3700.3800.1900.2100.0480.0521.000–––MILLIMETERSMINMAX9.409.654.835.331.221.3225.40–––KASTYLE 1:PIN 1.CATHODE2.ANODEK2CASE 267–03ISSUE CRectifier Device Data5元器件交易网www.cecb2b.comMUR420 MUR460Motorola reserves the right to make changes without further notice to any products herein. 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