NPS2T-1K5F1

NPS 2-T126 Power SMD Resistors • • • • • • • Resistances from 0.025Ohm to 10kOhms Power Rating to 25Watt Resistance Tolerances to ±1% TCR to ±100ppm/°C Load Stability to 0.5% TO-126 Housing (D-Pak) Solder Reflow Secure at 260°C / 20s SPECIFICATIONS Type NPS 2-T126 Terminals 2 Resistance Range 0.025 to 0.049Ohms 0.05 to 0.099Ohms Power Rating Heatsink Power Rating Simple Pad 0.1 to 0.99Ohms 1Ohms to 10kOhms 25 W 0.6 W Thermal Resistance Rthj-c 6.0 C / W Tolerances (others upon request) 2% / 5% 1% / 2% / 5% Stability 0.5% Temperature Coefficient (TCR 50ppm upon request) ±500 ppm/°C ±400 ppm/°C Voltage Proof ±300 ppm/°C ±100 ppm/°C 2.0 kV DC Operating Temperature -40°C to 175°C Resistor Material Thick Film Substrate Al2O3 Housing Epoxy Connector Material Cu / Ni-flash / lead-free tinned Reflow soldering lead-free soldering 260°C / 20s Ordering Information Part Description: Part Type - Resistance - Tolerance NPS 2-T126 1.1 Ohms 1% Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 www.riedon.com (626) 284-9901 (626) 284-1704 Page 83 2/16 NPS 2-T126 Power SMD Resistors SPECIFICATIONS (continued) Power (% from nominal power) Derating 120 Power Rating Notes - 100 The NPS Series Resistors must be attached to a suitable heatsink. The maximum internal resistor temperature is 175°C. To specify an appropriate heatsink use the following formula : 80 60 40 RθH = TMAX - ( P x RθR ) - TA P 20 Where: 0 0 25 40 55 70 85 100 115 130 145 155 175 Temperature of the backplate (°C) RθH = Thermal Resistance of Heatsink ( K/W ) RθR = Thermal Resistance of Resistor ( K/W ) TMAX = Maximum Temperature of Resistor TA = Ambient Temperature of Heatsink ( °C ) P = Power Through Resistor ( W ) Dimensions Riedon Inc. Dimension mm tol. (±mm) inches tol. (±inches) A 8.26 0.2 0.33 0.008 B 8.13 0.2 0.32 0.008 C 6.35 0.1 0.25 0.004 D 4.31 0.1 0.17 0.004 E 1.35 0.1 0.05 0.004 F 5.08 0.1 0.20 0.004 G 0.76 0.1 0.03 0.004 H 2.79 0.1 0.11 0.004 I 0.8 0.1 0.03 0.004 J 9.55 0.2 0.38 0.008 K 10.92 0.2 0.43 0.008 L 12.32 0.2 0.49 0.008 M 0.6 0.1 0.02 0.004 N 1.47 0.1 0.06 0.004 300 Cypress Avenue Alhambra CA 91801 www.riedon.com Dimension mm inches 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 (626) 284-9901 (626) 284-1704 Page 84 2/16