High Precision Metal Film Leaded Resistor (UPF Series) Features Very tight tolerance down to 0.02% Extremely low TCR down to 5PPM/ High precision Excellent stability Applications Precision Equipment Measurement Equipment Construction Dimensions Unit : mm Weight Type L D H d (g) (1000pcs) UPF25 7.00.3 2.70.4 263 0.60.05 230 UPF50 10.20.3 4.00.4 253 0.60.05 430 Derating Curve 100 80 60 40 20 0 0 20 40 60 80 100 120 140 160 Ambient Temperature ( ) 1773299-1 www.te.com REV A 1 Power ratio (%) High Precision Metal Film Leaded Resistor (UPF Series) Part Numbering UPF 50 B 1K0 V Product Type Power Rating Tolerance Resistance TCR 1R0 : 1 100R : 100 25 : W V : 5PPM UPF B : 0.1% 1K0 : 1,000 50 : W 100K : 100,000 Standard Electrical Specifications Item Max. Power Rating Operating Temp. Max. Resistance Range TCR Overload Operating Range (PPM/C) Voltage Type Voltage 70C 0.02% 0.05% 0.1% 25 1/4W 250V 500V 10 -500K 5 -55 ~ +125C 50 1/2W 300V 600V 10 -500K 5 Operating Voltage V=(P*R) Environmental Characteristics Item Requirement Test Method Temperature Coefficient As Spec. Resistance value at room temperature and room of Resistance (T.C.R.) temperature+60C JIS-C-5201-1 5.5 Short Time Overload (0.05%+0.05 ) RCWV*2.5 or Max. overload voltage for 5 seconds MIL-STD-202F Method 302 Insulation Resistance > 1,000M Apply 500V for 1 minute DC MIL-STD-202F Method 108A Endurance (0.2%+0.05 ) 70 2, Max. working voltage for 1000 hrs with 1.5 hrs ON and 0.5 hrs OFF MIL-STD-202F Method 103B Damp Heat with Load (0.2%+0.05 ) 40 2C, 90~95% R.H. Max. working voltage for 1000 hrs with 1.5 hrs ON and 0.5 hrs OFF MIL-STD-202F Method 208H Solderability 95% min. Coverage 245 5 for 5 seconds Resistance to (0.05%+0.01 ) 350 10C for 3 seconds or 260 5C for 10 seconds Soldering Heat Tensile strength: for 10 sec. Terminal Strength Tensile: 2.5kg Torsional strength: Rotated through 360,5 rotations. JIS-C-5201-1 5.8 Pulse Overload (0.1%+0.01 ) 4 times RCWV for 10000 cycles with 1second ON and 25 seconds OFF Temperature Cycle (0.05%+0.05 ) -25 (30min)/+85(30min), 5 cycles JIS-C-5201-1 6.9 Resistance to Solvent No deterioration of coatings and markings Trichroethane for 3 min. with ultrasonic Storage Temperature: 253C Humidity < 80%RH 1773299-1 www.te.com REV A 2