MFR ETC1
Document overview
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Technical content
YAGEO CORPORATION LEADED RESISTORS Metal Film Resistors MFR Series Normal & Miniature Style
FEATURES
Power Rating 1/6W, 1/4W, 1/2W, 1W, 2W Resistance T olerance ±0.1%, ±0.25%, ±0.5%, ±1% T.C.R. ±15ppm/ºC, ±25ppm/ºC, ±50ppm/ºC, ±100ppm/ºC DIMENSIONS STYLE DIMENSION Normal Miniature L øD H ød Unit : mm 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. ød H L øD DERATING CURVE Ambient T emperature (ºC) Rated Load (%) HOT -SPOT TEMPERATURE Surface T emp. Rise (ºC) Applied Load, % of RCWV MFR2WS MFR200 MFR1WS MFR100 MFR50S MFR-50 MFR25S MFR-25 MFR-12 02 5 5 0 7 5 100 200 150 100 Measuring Position 100 20 40 60 80 100 120 140 160 180 70ºC
Note :
ELECTRICAL CHARACTERISTICS
STYLE MFR-12 MFR25S MFR-25 MFR50S MFR-50 MFR1WS MFR100 MFR2WS MFR200 Power Rating at 70ºC 1/6W 1/4W 1/2W 1W 2W Operating Temp. Range -55ºC to +155ºC Maximum Working Voltage 200V 200V 250V 300V 350V 400V 500V 500V 500V Maximum Overload Voltage 400V 400V 500V 600V 700V 800V 1000V 1000V 1000V Dielectric Withstanding Voltage 300V 400V 500V 500V 500V 700V 1000V 1000V 1000V Value Range ±0.5%, ±1% 10 Ω~1MΩ Value Rang ±0.1%, ±0.25% 100 Ω~100KΩ Temperature Coefficient (by Type) ±15ppm/ºC, ±25ppm/ºC, ±50ppm/ºC, ±100ppm/ºC * Resistance Range for standard resistance, below or over this resistance on request. ENVIRONMENTAL CHARACTERISTICS PERFORMANCE TEST TEST METHOD APPRAISE Short Time Overload JIS-C-5202 5.5 2.5 Times RCW V for 5 Seconds ±(0.25%+0.05Ω) Dielectric Withstanding Voltage JIS-C-5202 5.7 in V-Block for 60 Seconds by Type Temperature Coefficient of Resistance JIS-C-5202 5.2 -55ºC to +155ºC by Type Insulation Resistance JIS-C-5202 5.6 in V-Block >10000M Ω Solderability JIS-C-5202 6.5 235ºC for 5 ±0.5 Seconds 95% Min. Coverage Resistance to Solvent JIS-C-5202 6.9 Trichroethane for 1 Min. with Ultrasonic No Deterioration of Coatings and Markings Terminal Strength Direct load for 10 Sec. in The Direction of The T erminal Leads ≥2.5kg (24.5N) Pulse Overload JIS-C-5202 5.8 4 Times RCW V 10000 Cycles (1 Sec. on , 25 Sec. off) ±(2%+0.05Ω) Resistance to Soldering Heat JIS-C-5202 6.4 350ºC ±10ºC for 3±0.5 Seconds ±(0.25%+0.05Ω) * Rated Continuous Working Voltage (RCW V)= Power Rating x Resistance Value