NPS 2-T126 250.000 OHM 1% Riedon

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 Re ow Secure at 260C / 20s SPECIFICATIONS Type NPS 2-T126 Terminals 2 Resistance Range 0.025 to 0.049Ohms 0.05 to 0.099Ohms 0.1 to 0.99Ohms 1Ohms to 10kOhms Power Rating Heatsink 25 W Power Rating Simple Pad 0.6 W Thermal Resistance Rthj-c 6.0 C / W Tolerances 2% / 5% 1% / 2% / 5% (others upon request) Stability 0.5% Temperature Coef cient 500 ppm/C 400 ppm/C 300 ppm/C 100 ppm/C (TCR 50ppm upon request) Voltage Proof 2.0 kV DC Operating Temperature -40C to 175C Resistor Material Thick Film Substrate Al O 2 3 Housing Epoxy Connector Material Cu / Ni- ash / lead-free tinned Re ow soldering lead-free soldering 260C / 20s Ordering Information Part Description: Part Type - Resistance - Tolerance NPS 2-T126 1.1 Ohms 1% Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com Page 83 2/16NPS 2-T126 Power SMD Resistors SPECIFICATIONS (continued) Derating 120 Power Rating Notes - The NPS Series Resistors must be attached to a suitable heat- 100 sink. The maximum internal resistor temperature is 175C. To specify an appropriate heatsink use the following formula : 80 60 R = T - ( P x R ) - T H MAX R A P 40 20 Where: R = Thermal Resistance of Heatsink ( K/W ) H R = Thermal Resistance of Resistor ( K/W ) R 0 T = Maximum Temperature of Resistor MAX T = Ambient Temperature of Heatsink ( C ) 0 25 40 55 70 85 100 115 130 145 155 175 A P = Power Through Resistor ( W ) Temperature of the backplate (C) Dimensions tol. tol. Dimension mm inches Dimension mm (mm) inches (inches) A 8.51 0.335 A 8.26 0.2 0.33 0.008 B 7.87 0.310 B 8.13 0.2 0.32 0.008 C 14.1 0.555 C 6.35 0.1 0.25 0.004 D 5.08 0.200 D 4.31 0.1 0.17 0.004 E 1.65 0.065 E 1.35 0.1 0.05 0.004 F 3.81 0.150 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 Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com Page 84 2/16 Power (% from nominal power)