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| YAGEO CORPORATION LEADED RESISTORS Metal Film Resistors MFR Series Normal & Miniature Style FEATURES Power Rating Resistance Tolerance T.C.R. 1/6W, 1/4W, 1/2W, 1W, 2W 0.1%, 0.25%, 0.5%, 1% 15ppm/C, 25ppm/C, 50ppm/C, 100ppm/C DERATING CURVE Rated Load (%) 100 80 70C INTRODUCTION The MFR Series Metal Film Resistors are manufactured using vacuum sputtering system to deposit multiple layers of mixed metals and passivative materials onto a carefully treated high grade ceramic substrate, the resistors are coated with layers of blue lacquer. 60 40 20 20 40 60 80 100 120 140 160 180 Ambient Temperature (C) HOT -SPOT TEMPERATURE Surface Temp. Rise (C) Measuring Position 200 150 100 50 MFR2WS MFR200 MFR100 MFR-50 MFR-25 MFR-12 0 25 50 75 100 MFR1WS MFR50S MFR25S Applied Load, % of RCWV DIMENSIONS Unit : mm STYLE Normal MFR-12 od H L oD MFR-25 MFR-50 MFR100 MFR200 Miniature MFR25S MFR50S MFR1WS MFR2WS - DIMENSION L 3.3 0.4 6.3 0.5 9.0 0.5 11.5 1.0 15.5 1.0 oD 1.8 0.3 2.3 0.3 3.2 0.5 4.5 0.5 5.0 0.5 H 28 2.0 28 2.0 26 2.0 35 2.0 33 2.0 od 0.5 0.05 0.6 0.05 0.6 0.05 0.8 0.05 0.8 0.05 2 Note : ELECTRICAL CHARACTERISTICS STYLE Power Rating at 70C Operating Temp. Range Maximum Working Voltage Maximum Overload Voltage Dielectric Withstanding Voltage Value Range 0.5%, 1% Value Rang 0.1%, 0.25% Temperature Coefficient (by Type) MFR-12 1/6W MFR25S 1/4W MFR-25 MFR50S 1/2W MFR-50 MFR1WS MFR100 1W MFR2WS MFR200 2W -55C to +155C 200V 400V 300V 10~1M 100~100K 15ppm/C, 25ppm/C, 50ppm/C, 100ppm/C 200V 400V 400V 250V 500V 500V 300V 600V 500V 350V 700V 500V 400V 800V 700V 500V 1000V 1000V 500V 1000V 1000V 500V 1000V 1000V * Resistance Range for standard resistance, below or over this resistance on request. ENVIRONMENTAL CHARACTERISTICS PERFORMANCE TEST Short Time Overload Dielectric Withstanding Voltage Temperature Coefficient of Resistance Insulation Resistance Solderability Resistance to Solvent Terminal Strength Pulse Overload Load Life in Humidity Load Life Temperature Cycling Resistance to Soldering Heat TEST METHOD JIS-C-5202 5.5 JIS-C-5202 5.7 JIS-C-5202 5.2 JIS-C-5202 5.6 JIS-C-5202 6.5 JIS-C-5202 6.9 2.5 Times RCW V for 5 Seconds in V-Block for 60 Seconds -55C to +155C in V-Block 235C for 5 0.5 Seconds Trichroethane for 1 Min. with Ultrasonic APPRAISE (0.25%+0.05) by Type by Type >10000M 95% Min. Coverage No Deterioration of Coatings and Markings 2.5kg (24.5N) (2%+0.05) (1.5%+0.05) (1.5%+0.05) (0.25%+0.05) (0.25%+0.05) Direct load for 10 Sec. in The Direction of The Terminal Leads JIS-C-5202 5.8 JIS-C-5202 7.9 JIS-C-5202 7.10 JIS-C-5202 7.4 JIS-C-5202 6.4 4 Times RCW V 10000 Cycles (1 Sec. on , 25 Sec. off) 40 2C, 90~95% RH at RCW V for 1000 Hrs. (1.5 Hrs. on , 0.5 Hrs. off ) 70C at RCW V for 1000 Hrs. (1.5 Hrs. on , 0.5 Hrs. off) -55C Room Temp. +155C Room Temp. for 5 Cycles 350C 10C for 3 0.5 Seconds * Rated Continuous Working Voltage (RCW V)= Power Rating x Resistance Value |
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