PartNumber 59PR987xNxxxxS0.433[11,00] MAX0.283[7,20] MAX210.300[7,62] 0.005[0,13] 2 PLS0.100 +/-0.02 [2,54 +/-0,51] 2 PLSDim. A0.061[1.55] Add an"R" to the part number after "P" for the RoHS compliant version(i.e. 59PR9871N is the RoHS compliant version of 59P9871N).Trise(oC)= Core Loss + DCR Loss TRF A0.833DCR Loss (mW)= Idc2+…I 22xTYP DCR (mOhms) Core Loss (mW)= TRF B x (F)1.84x(TRF C x … I)2.28IDC = DCoutput current (ADC) … I = Delta Iacross the inductor (Amps) F = Switchingfrequency (kHz) The SaturationCurrent (Isat) is the current at which the Inductance dropsbya maximum of 20% below the lower limit of its value specified at 0ADC Bias.Inductance at Isat is measured at the specified AmbientTemperature by applying DCBias by a short period of time to minimize the self-heatingeffect of thecomponent. The TemperatureRise Current is the current at which the temperature ofthepart increases by 50oC.This test is performed with the part mounted on a PCB withtraces having 1.7 times the cross sectional area of thecopper leads of thepart. The temperature of the part is measured after applyingtheDC current for a minimum of 10 minutes. Inductance ismeasured at 100 KHz and 1.0 Vrms. TemperatureRise can be estimated using the following formulas:1.2.3.4.59P9870N59P9871N59P9872N59P9873N59P9874N59P9875N59P9876N0.307[7.80] 0.299[7.60] P/N MAXDimensionA 0.299[7.60] 0.295[7.50] 0.295[7.50] 0.295[7.50] 0.295[7.50] ±15% Inductance3@ 0Adc 220300400510120150nH70Inductance3@Isat1(25oC)MINnH78210248Isat1(MaxSaturation Current) ADC25oC100oC125oC39294120473423178770138Temp.Rise Current2MAXADC48484848484848Temp.Rise FactorA (TRFA)4Temp.Rise FactorB (TRFB)4Temp.Rise FactorC (TRFC)46.106.106.106.106.106.106.100.0042230.0042030.0041910.0041830.0042960.0042650.0044280.043340.059140.078870.100570.023570.029500.01364DCRmOhms0.290.290.290.290.290.290.29±10% RoHS59PR9873N59PR9874N59PR9875N59PR9876N59PR9872N59PR9871N59PR9870N59P9873N59P9874N59P9875N59P9876N59P9872N59P9871NClassic59P9870N
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