MF Series Metal Film Resistors MERITEK FEATURES • • • • • Economically priced for commercial and industrial applications Wide selection of power ratings and resistance values EIA color coding Resistance to industrial solvent Standard tape & reel package PART NUMBERING SYSTEM S MF 25 F 1003 F TR Meritek Series Power Rating CODE 12 0.125W 16 0.16W 25 0.25W 20 0.50W 100 1W 200 2W Temperature Coeffient CODE CODE C C ppm/°C ±10±10 ppm/°C F F 25 ppm/°C ±25±ppm/°C GBlank H ±50 ±50 ppppm/°C m/C Resistance First 3 digits are significant 4TH digit is multiplier “R” indicates decimal for values below 10 ohm Tolerance B 0.1% D ±0.5% 70ഒ F ±1% Rated Load(%) CODE Power derating curve Tape & Reel Dimensions Dimensions(mm) Style Normal Miniature L MF-12 v MF25s 3.3± MF-12 MF25s 3.3± MF-25 MF50s MF-50 0.4 0.2 0.7 0.2 D H d 1.8±0.3 29±2.0 1.8±0.3 29±2.0 0.45±0.03 0.45±0.03 6.3±0.5 2.3±0.3 28±2.0 0.55±0.03 MF1Ws 9.0±0.5 3.2±0.5 26±2.0 0.65±0.03 MF-100 MF2Ws 11.5±1.0 4.5±0.5 35±2.0 0.78±0.03 MF-200 MF3Ws 15.5±1.0 5.0±0.5 32±2.0 0.78±0.03 Electrical Characteristics Power rating at 70ഒ 0.125W 0.25W 0.25W 0.5W 0.5W 1W 1W 2W 2W 3W STYLE MF-12 MF-25S MF-25 MF-50S MF-50 MF-1WS MF-100 MF2WS MF-200 MF3WS ᧩55ഒ to ᧧155ഒ Operating Temp. Range Max. Working Voltage 200V 200V 250V 300V 350V 400V 450V 500V 500V 500V Max. Overload Voltage 400V 400V 500V 600V 700V 800V 1000V 1000V 1000V 1000V Dielectric Withstanding volt. 300V 400V 500V 500V 500V 700V 1000V 1000V 1000V 1000V TEMP. COEFFICIENT Value Range. s1%/s0.5% Value Range. s0.25%/s0.1% Specifications are subject to change without notice. s15ppm/ഒ᧨s25ppm/ഒ᧨s50ppm/ഒ᧨s100ppm/ഒ 10 ˖ ~1 M˖ E96 series 100˖ ~100K˖ E192 series rev.6a