USR 2-T220B 50R00 S 0.1% Powertron

NPS 2-T126B FEATURES Resistances from 0.025Ohm to 10kOhms Power Rating to 25Watt Resistance Tolerances to 1% TCR to 100ppm/K Load Stability to 0.5% TO-126 Housing (D-Pak) Solder Reflow Secure at 260C / 20s TABLE 1SPECIFICATIONS TYPE NPS 2-T126B 0.025 to 0.05 to 0.1 to 1.0 to Resistance Range 0.049Ohms 0.099Ohms 0.99Ohms 10kOhms Power Rating With heatsink 25W Tolerances 2% / 5% 1% / 2% / 5% (others upon request) Thermal Resistance 6.0 K/W Stability (1000h) 0.5% Temperature Coefficient 500 ppm/K 400 ppm/K 300 ppm/K 100 ppm/K Voltage Proof 2.0 kVDC Operating Temperature Range -40C to 175C Resistor Material Thick Film Substrate Al O 2 3 Backplate Copper / Nickel-plated Housing PPS Connector Material Cu / Ni-flash / lead-free tinned Terminals 2 (standard contact S) lead free soldering time above 220C max. 90 s Reflow soldering max. temperature 245C and JEDEC-J-STD-020 ORDERING INFORMATION Part Number - Resistance - Contact - Tolerance NPS 2-T126B 1R100 S 1% Document No.: 64214 For technical questions, www.powertron.de Revision: 15-06-2016 contact powertron vpgsensors.com 1NPS 2-T126B FIGURE 1DERATING Power Rating Notes - 120 The NPS Series Resistors must be attached to a suitable heat- sink. The maximum internal resistor temperature is 175C. 100 To specify an appropriate heatsink use the following formula : 80 R = T - ( P x R ) - T 60 qH MAX qR A P 40 Where: R = Thermal Resistance of Heatsink ( K/W ) 20 qH R = Thermal Resistance of Resistor ( K/W ) qR 0 T = Maximum Temperature of Resistor 0 25 40 55 70 85 100 115 130 145 155 175 MAX Temperature of the backplate (C) T = Ambient Temperature of Heatsink ( C ) A P = Power Through Resistor ( W ) FIGURE 2DIMENSIONS in mm (inches) Dimension A 0.2 (0.008) 8.26 (0.33) B 0.2 (0.008) 8.13 (0.32) C 0.1 (0.004) 6.35 (0.25) D 0.1 (0.004) 4.31 (0.17) E 0.1 (0.004) 1.35 (0.05) F 0.1 (0.004) 5.08 (0.20) G 0.1 (0.004) 0.76 (0.03) H 0.1 (0.004) 2.79 (0.11) I 0.1 (0.004) 0.8 (0.03) J 0.2 (0.008) 9.55 (0.38) K 0.2 (0.008) 10.92 (0.43) L 0.2 (0.008) 12.32 (0.49) M 0.1 (0.004) 0.6 (0.02) N 0.1 (0.004) 1.47 (0.06) Dimension A 8.51 (0.335) B 7.87 (0.310) C 14.1 (0.555) D 5.08 (0.200) E 1.65 (0.065) F 3.81 (0.150) www.powertron.de For technical questions, Document No.: 64214 2 contact powertron vpgsensors.com Revision: 15-06-2016 Power (% from nominal power)