Metal Film Flame Proof MFP Series MERITEK FEATURES Low Noise Low T.C.R.: 200ppm, 100ppm, 50ppm, 25ppm, 15ppm, 10ppm, 5ppm. High Precision 1%, 0.5%, 0.25%, 0.1%,0.05% PART NUMBERING SYSTEMS MFP 1/4W 3K F C TR Meritek Series Power Rating CODE 1/4W 1/2WS 1/2W 1WS 1W 2WS 2W 3WS Resistance CODE 1R 10R 100R 1K2 1M 22M VALUE 1Ω 10Ω 100Ω 1K2Ω 1MΩ 22MΩ Tolerance CODE A B C D F J VALUE ± 0.05% ± 0.1% ± 0.25% ± 0.5% ± 1% ± 5% T.C.R CODE B C E G H K L VALUE 200ppm 100ppm 50ppm 25ppm 15ppm 10ppm 5ppm Packaging CODE TR TA B F M VALUE Tape & Reel Tape & Ammo Bulk F-TYPE M-TYPE PANA PANA SERT SPECIFICATIONS Resistor Layer Insulation Coating Trimming Line Electrode Cap Color Code Lead Wire d D Connection H L Dimension(mm) TYPE 1/4W 1/2WS 1/2W 1WS 1W 2WS 2W 3WS Ceramic Rod Resistance Range(Ω) Range(Ω) 0.5%/1% 0.25%/0.1% D L H d 2.3±0.3 6.3±0.5 28±2.0 0.55±0.03 0.1Ω~1M 10Ω~100K 3.2±0.5 9.0±0.5 26±2.0 0.65±0.03 0.1Ω~1M 10Ω~100K 4.5±0.5 11.5±1.0 35±2.0 0.78±0.03 0.1Ω~1M 10Ω~100K 5.0±0.5 15.5±1.0 32±2.0 0.78±0.03 0.1Ω~1M 10Ω~100K Max Working Voltage 250V 300V 350V 400V 500V 500V 500V 500V Flame Proof Silicone Coating Resistor Body Color: 1. Normal Size: Gray 2. Small Size: Pink Operating Temperature Range -55 to +155 Max. Overload Voltage 500V 500V 500V 600V 700V 700V 1000V 1000V Dielectric Withstanding Voltage 350V 400V 500V 500V *Resistance value range spell out standard product resistances; resistance below or over the range are available upon request. Rev. 7 Metal Film Flame Proof MFP Series ●POWER GRAPH Rated Load(%) 100 80 60 40 20 0 -60 -40 -20 0 20 40 60 80 100 120 140 160 Ambient Temperature (℃) SURFACE TEMP. RISE (℃) MERITEK 160 ●HOT-SPOT TEMPERATURE 140 3Ws 2W 120 2Ws 1W 100 80 1Ws 1/2W 60 1/2Ws 1/4W 40 20 0 0 20 40 60 80 APPLIED LOAD % OF RCWV 100 ENVIRONMENTAL CHARACTERISTICS Item Performance Test Method Short Time Overload ∆R = ±(0.25%+0.05Ω) Pulse Overload Insulation Resistance ∆R = ±(0.75%+0.05Ω) ＞10000MΩ Load Life ∆R = ±(1.5%+0.05Ω) Load Life In Humidity ∆R = ±(1.5%+0.05Ω) 40±2 Solderability 95% MIN. Coverage 260±5 Resistance To Solvent No Deterioration of Coatings and Markings 2.5 times RCWV for 5 seconds 4 times RCWV for 10000 cycles (1sec.on, 25secs.off) 70 at RCWV for 1000 hrs. (1.5hrs. On，0.5hrs.off) 90~95%rh at RCWV for 1000 hrs.(1.5hrs. On，0.5hrs.off) for 2±0.5 seconds Trichloroethane for 1 min with ultrasonic. Terminal Strength Direct load for 10 sec. in the direction of the terminal leads. Tensile:≧2.5kg Reference Standards: IEC 60115-1 Storage Temperature: 25±3°C; Humidity < 80%RH Rated Continuous Working Voltage (RCWV) = POWER.RATING. * RESISTANCE.VALUE Rev. 7