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| FHR 2-3025 3818 FHR 4-3825 3825H 4618 PrecisionShuntResistors * * * * * Resistances from 0.001Ohm to 100Ohms Power Rating to 50Watt Resistance Tolerances to 0.1% TCR to 10ppm/K Very Low Inductance SPECIFICATIONS Type FHR 2-3025 FHR 2-3818 0.010to100Ohms 3W 40W 2.0K/W FHR 4-3825 FHR 4-3525H FHR 4-4618 0.001to100Ohms 3W 5W 50W 1.6K/W 1%/2%/5% 0.5%/1%/2%/5% 0.1%/0.25%/0.5%/1%/2%/5% 0.1%/0.25%/0.5%/1%/2%/5% 0.1%/0.2%/0.5% (dependsonstress) ResistanceRange Powerrating freeair70C for3825H withheatsink ThermalResistanceRthj-c Tolerances from0R001 from0R005 from0R01 from0R02 Stability Temperature Coefficient Standard Option1 0.5%/1%/2%/5% 0.25%/0.5%/1%/2%/5% 15ppm/K(20to60C) R 0R2 TCR see table A next page 15ppm/K(20to60C) 25ppm/K(20to60C)forcontactF 10ppm/K(20to60C) (onlycontactAandK) Max. Current VoltageProof ThermalEMF OperatingTemperatureRange ResistorMaterial Substrate Housing ConnectorMaterial Terminals Max. torque 2 150A/200AforcontactF 500VDC <0.1V/K -40to130C CuNiMn-Foil anodizedaluminium Epoxy Cutinned 4 1Nm Ordering Information PartNumber-Resistance-Contact-Tolerance FHR4-46180.050OhmsA1% Powertron GmbH PotsdamerStrasse18a D-14513Teltow +49(0)33283530-0 ARiedonCompany www.powertron.de +49(0)33283530-15 Page18 rev.03/2006A FHR 2-30253818 FHR4-38253825H4618 PrecisionShuntResistors SPECIFICATIONS (continued) Temperature Coefficient 4000 250 2000 tableA +15ppm/K 200 0 -15ppm/K Limit 2 (3) Nominal R/R Limit 1 (3) -2000 -4000 TCR-Shift(ppm/K) R/R (ppm) 150 100 -6000 50 -8000 -40 -20 0 20 40 60 80 100 120 140 0 2 Temperature(C) ResistanceValue(mOhm) 5 10 20 50 100 200 Derating 120 Power(%from nominalpower) PowerRatingNotes- 100 80 60 40 20 0 25 0.5% 0.2% 0.1% TheFHRSeriesResistorsmustbeattachedtoasuitableheatsink. The maximum internal resistor temperature is 130C. Tospecifyanappropriateheatsinkusethefollowingformula: RqH=TMAX - ( P x RqR)-TA P Where: 50 85 100 115 130 Temperatureofthebackplate(C) RqH=ThermalResistanceofHeatsink(K/W) RqR=ThermalResistanceofResistor(K/W) TMAX = Maximum Temperature of Resistor TA=AmbientTemperatureofHeatsink(C) P=PowerThroughResistor(W) Dimensions FHR 4-3825 / FHR 4-3825H Dimension A B C D E F G H I J(A-Contact) J(K-Contact) K L M N N(VarianteH) O P Q(A-Contact) Q(K-Contact) R S(VarianteH) mm 24.00 38.00 1.40 4.00 34.00 17.50 1.5x45 17.50 27.50 1.50 1.10 3.00 3.20 2.00 max.5.5 max.10.3 30.40 15.00 3.60 3.30 2.80 19.00 tol. (mm) 0.2 0.3 0.4 0.1 0.3 0.2 0.1 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.4 0.2 0.1 0.1 0.1 0.2 inches 0.94 1.50 0.06 0.16 1.34 0.69 0.06x45 0.69 1.08 0.06 0.04 0.12 0.13 0.08 max.0.22 max.0.4 1.20 0.59 0.14 0.13 0.11 0.75 tol. (inches) 0.008 0.012 0.016 0.004 0.012 0.008 0.004 0.008 0.008 0.004 0.004 0.004 0.004 0.004 0.008 0.008 0.016 0.008 0.004 0.004 0.004 0.008 Powertron GmbH PotsdamerStrasse18a D-14513Teltow +49(0)33283530-0 ARiedonCompany www.powertron.de +49(0)33283530-15 Page19 rev.03/2006A FHR 2-30253818 FHR4-38253825H4618 PrecisionShuntResistors SPECIFICATIONS (continued) FHR 4-3825F Dimension A B C D E F G H I J K L M N O P Q R S mm 24.00 38.00 1.50 4.00 34.00 17.50 1.5x45 34.00 32.70 7.50 24.00 6.30 4.80 3.20 2.00 6.00 15.00 4.10 3.30 tol. (mm) 0.2 0.3 0.2 0.1 0.3 0.2 0.1 0.2 0.2 0.2 0.2 0.2 0.1 0.1 0.1 0.2 0.2 0.7 0.7 inches 0.94 1.50 0.06 0.16 1.34 0.69 0.06x45 1.34 1.29 0.30 0.94 0.25 0.19 0.13 0.08 0.24 0.59 0.16 0.13 tol. (inches) 0.008 0.012 0.008 0.004 0.012 0.008 0.004 0.008 0.008 0.008 0.008 0.008 0.004 0.004 0.004 0.008 0.008 0.028 0.028 FHR 4-4618 Dimension A B C D E F G H I J(A-Contact) J(K-Contact) K L M N O P Q(A-Contact) Q(K-Contact) R mm 17.00 46.00 1.40 8.50 40.00 34.00 1.5x45 17.50 27.50 1.50 1.10 3.00 3.20 2.00 max.5.5 23.40 15.00 3.60 3.30 2.80 tol. (mm) 0.1 0.3 0.4 0.2 0.3 0.3 0.1 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.2 0.4 0.2 0.1 0.1 0.2 inches 0.67 1.81 0.06 0.33 1.57 1.34 0.06x45 0.69 1.08 0.06 0.04 0.12 0.13 0.08 max.0.22 0.92 0.59 0.14 0.13 0.11 tol. (inches) 0.004 0.012 0.016 0.008 0.012 0.012 0.004 0.008 0.008 0.004 0.004 0.004 0.004 0.004 0.008 0.016 0.008 0.004 0.004 0.008 Powertron GmbH PotsdamerStrasse18a D-14513Teltow +49(0)33283530-0 ARiedonCompany www.powertron.de +49(0)33283530-15 Page20 rev.03/2006A FHR 2-30253818 FHR4-38253825H4618 PrecisionShuntResistors SPECIFICATIONS (continued) FHR 2-3025 tol. (mm) 0.2 0.2 0.4 0.1 0.2 0.2 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.2 0.4 0.2 0.1 0.1 0.2 tol. (inches) 0.008 0.008 0.016 0.004 0.008 0.008 0.004 0.008 0.004 0.004 0.004 0.004 0.004 0.008 0.016 0.008 0.004 0.004 0.008 Dimension A B C D E F G H I(A-Contact) I(K-Contact) J K L M N O P(A-Contact) P(K-Contact) Q mm 24.00 30.00 1.40 4.00 27.00 15.00 1.5x45 20.32 1.50 1.10 1.10 3.20 2.00 max.5.5 30.40 15.00 3.60 3.30 2.80 inches 0.94 1.18 0.06 0.16 1.06 0.59 0.06x45 0.80 0.06 0.04 0.04 0.13 0.08 max.0.22 1.20 0.59 0.14 0.13 0.11 FHR 2-3818 Dimension A B C D E F G H I(A-Contact) I(K-Contact) J K L M N O P(A-Contact) P(K-Contact) Q mm 17.00 38.00 1.40 8.50 32.00 27.00 1.5x45 20.32 1.50 1.10 1.10 3.20 2.00 max.5.5 23.40 15.00 3.60 3.30 2.80 tol. (mm) 0.2 0.3 0.4 0.2 0.3 0.2 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.2 0.4 0.2 0.1 0.1 0.2 inches 0.67 1.50 0.06 0.33 1.26 1.06 0.06x45 0.80 0.06 0.04 0.04 0.13 0.08 max.0.22 0.92 0.59 0.14 0.13 0.11 tol. (inches) 0.008 0.012 0.016 0.008 0.012 0.008 0.004 0.008 0.004 0.004 0.004 0.004 0.004 0.008 0.016 0.008 0.004 0.004 0.008 Powertron GmbH PotsdamerStrasse18a D-14513Teltow +49(0)33283530-0 ARiedonCompany www.powertron.de +49(0)33283530-15 Page21 rev.03/2006A |
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