SHR 4-2321 0R005 S 1% M Powertron

SHR 4-2321 FEATURES Resistances from 0.005Ohm to 20Ohms Power Rating to 40Watt Resistance Tolerances to 0.1% TCR to 2ppm/K Very Low Inductance Load Stability to 0.1% TABLE 1SPECIFICATIONS TYPE SHR 4-2321 Resistance Range 0.005 to 20 Ohms Free air 70C 3W Power Rating With heatsink 40W Tolerances from 0R005 0.5% / 1% / 2% / 5% from 0R01 0.1% / 0.25% / 0.5% / 1% / 2% / 5% Thermal Resistance 2.0 K/W 0.1% / 0.2% / 0.5% Stability (2000h) (depends on stress) Temperature Coefficient Standard (N) 10ppm/K (20 to 60C) Option (M) 5ppm/K (20 to 60C) Option (L) upon request for selected values 2ppm/K (20 to 60C) other specifications upon request Voltage Proof 300 VDC Maximum Current 150 A Thermal EMF < 1V/K Operating Temperature Range -40 to 130 C Resistor Material CuMnSn-Foil Substrate Anodized aluminium Housing Epoxy Connector Material Cu / tinned Terminals 4 (standard contact S) Max. Torque 0.8 Nm ORDERING INFORMATION Part Number - Resistance - Contact - Tolerance - TCR SHR 4-2321 0R050 S 1% M Document No.: 64249 For technical questions, www.powertron.de Revision: 31-01-2015 contact powertron vpgsensors.com 1SHR 4-2321 FIGURE 1TEMPERATURE COEFFICIENT 2000 +10 ppm/K 1000 +5 ppm/K 0 Nominal R/R -5 ppm/K -1000 -10 ppm/K -2000 -40 -20 0 20 40 60 80 100 120 140 Temperature (C) FIGURE 2DERATING Power Rating Notes - The SHR Series Resistors must be attached to a suitable heat- sink. The maximum internal resistor temperature is 130C. 120 0.5% To specify an appropriate heatsink use the following formula : 100 0.2% 80 0.1% 60 R = T - ( P x R ) - T qH MAX qR A 40 P 20 0 Where: R = Thermal Resistance of Heatsink ( K/W ) qH 25 50 85 100 115 130 R = Thermal Resistance of Resistor ( K/W ) qR Temperature of the backplate (C) T = Maximum Temperature of Resistor MAX T = Ambient Temperature of Heatsink ( C ) A P = Power Through Resistor ( W ) FIGURE 3DIMENSIONS in mm (inches) Dimension A 0.2 (0.008) 17.25 (0.68) B 0.2 (0.008) 22.30 (0.88) C 0.1 (0.004) 3.20 (0.13) D 0.1 (0.004) 3.20 (0.13) E 0.2 (0.008) 16.75 (0.66) F 0.2 (0.008) 7.62 (0.30) G 0.2 (0.008) 17.78 (0.70) H 0.2 (0.008) 1.50 (0.06) I 0.2 (0.008) 1.10 (0.04) J 0.1 (0.004) 2.00 (0.08) K 0.1 (0.004) 3.00 (0.12) L 0.2 (0.008) 8.00 (0.31) M 0.2 (0.008) 3.00 (0.12) N 0.1 (0.004) 1.50 (0.06) O 0.1 (0.004) 4.50 (0.18) P 0.2 (0.008) 3.75 (0.15) Q 0.1 (0.004) 0.80 (0.03) R 0.2 (0.008) 2.10 (0.08) www.powertron.de For technical questions, Document No.: 64249 2 contact powertron vpgsensors.com Revision: 31-01-2015 Power ( % from nominal power) R/R (ppm)