MMF-25FRF2K7

Through-hole resistors Melf Metal Film Resistors General Type Normal & Miniature Style [ MMF Series ] FEATURES Power Rating 1/6W, 1/4W, 0.4W, 1/2W, 0.6W, 1W Resistance Tolerance ±0.1%, ±0.25%, ±0.5%, ±1%, ±2%, ±5% T.C.R. ±15ppm/°C, ±25ppm/°C, ±50ppm/°C, ±100ppm/°C DERATING CURVE For resistors operated in ambient temperatures above 70°C, power rating must be derated in accordance with the curve below. INTRODUCTION The MMF Series Melf Metal Film Resistors are manufactured using a vacuum sputtering system to deposit multiple layers of mixed metal alloys and passivative materials onto a carefully treated high grade ceramic substrate. SMD enabled structure. Rated Load (%) 70 155 °C 100 80 60 40 20 20 40 60 80 Ambient Temperature (°C) 100 120 140 160 DIMENSIONS Unit: mm STYLE D C L DIMENSION Normal Miniature L D C Min. MMF-12 MMF25S / MMF204 3.50±0.2 1.40±0.15 0.5 MMF-25 MMF50S / MMF207 5.90±0.2 2.20±0.1 0.5 MMF-50 MMF1WS 8.50±0.2 3.20±0.2 0.5 21 Note: ELECTRICAL CHARACTERISTICS STYLE MMF-12 MMF25S MMF204 MMF-25 MMF50S MMF207 MMF-50 MMF1WS Power Rating at 70°C 1/6W 1/4W 0.4W 1/4W 1/2W 0.6W 1/2W 1W Maximum Working Voltage 150V 200V 250V 350V Maximum Overload Voltage 300V 400V 500V 700V Voltage Proof on Insulation 300V 500V 700V Resistance Range 0.22Ω-3.9Ω for tol ±5%, E96 series value, 4Ω - 1MΩ for tol ±1% E24 + E96 series value Operating Temp. Range -55°C to +155°C Temperature Coefficient ±50ppm/°C for 4Ω - 1MΩ , ±100ppm/°C for 0.22Ω - 3.9Ω Note: Special value is available on request ENVIRONMENTAL CHARACTERISTICS PERFORMANCE TEST TEST METHOD APPRAISE Short Time Overload IEC 60115-1 4.13 2.5 times RCWV for 5 sec. (Not more than maximum Overload Voltage) ±0.5%+0.05Ω Voltage Proof on Insulation IEC 60115-1 4.7 In V-Block for 60 sec., test voltage as above table No Breakdown Temperature Coefficient IEC 60115-1 4.8 Between -55°C to +155°C By type Insulation Resistance IEC 60115-1 4.6 in V-block for 60 Sec. >10,000MΩ Solderability IEC 60115-1 4.17 245±5°C for 3±0.5 Sec. 95% Min. coverage Solvent Resistance of Marking IEC 60115-1 4.30 IPA for 5±0.5 Min. with ultrasonic No deterioration of coatings and markings Periodic-pulse Overload IEC 60115-1 4.39 4 times RCWV 10,000 cycles (1 Sec. on, 25 Sec. off) ±1.0%+0.05Ω Damp Heat Steady State IEC 60115-1 4.24 40±2°C, 90-95% RH for 56 days, loaded with 0.1 times RCWV ±2.0%+0.1Ω Endurance at 70°C IEC 60115-1 4.25 70±2°C at RCWV (or Umax., Whichever less) for 1,000 Hr. (1.5Hr.on, 0.5Hr. Off) ±2.0%+0.1Ω Temperature Cycling IEC 60115-1 4.19 -55°C  Room Temp.  +155°C  Room Temp. (5 cycles) ±0.75%+0.05Ω Resistance to Soldering Heat IEC 60115-1 4.18 260±3°C for 10±1 Sec., immersed to a point 3±0.5mm from the body ±0.5%+0.05Ω Note: RCWV(Rated Continuous Working Voltage) = Power Rating x Resistance Value or Max. working voltage listed above, whichever less. Revision: 2020 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Yageo: MMF25SFRE22R1 MMF25SFRE475K MMF25SFRE120K MMF25SFRE13K MMF25SFRE182R MMF25SFRE18R MMF25SFRE18R2 MMF25SFRE1K2 MMF25SFRE200K MMF25SFRE220K MMF25SFRE24R3 MMF25SFRE1K MMF25SFRE1K21 MMF25SFRE1K5 MMF25SFRE10K MMF25SFRE100K MMF25SFRE100R MMF25SFRE121R MMF25SFRE18K MMF25SFRE180K MMF25SFRE180R MMF25SFRE2K4 MMF25SFRE2K49 MMF25SFRE2K7 MMF25SFRE20K MMF25SFRE24K3 MMF25SFRE27K4 MMF25SFRE270R MMF25SFRE274R MMF25SFRE3K3 MMF25SFRE30K MMF25SFRE33K MMF25SFRE4K99 MMF25SFRE47K5 MMF25SFRE5K6 MMF25SFRE56K MMF25SFRE560R MMF25SFRE82K MMF25SFRE10R MMF25SFRE150K MMF25SFRE2K55 MMF25SFRE330K MMF25SFRE360R MMF25SFRE39R MMF25SFRE49R9 MMF25SFRE4K3 MMF25SFRE4M64 MMF25SFRE51R MMF25SFRE5M11 MMF25SFRE75R MMF25SFRE91R MMF50SFRE100R MMF50SFRE182K MMF50SFRE1K MMF50SFRE1M6 MMF50SFRE250R MMF50SFRE47R MMF50SFRE5K62 MMF25SFRE1M MMF25SFRE1R MMF25SFRE15R MMF25SFRE221R MMF25SFRE4R75 MMF25SFRE2K2 MMF25SBRD12K MMF25SFRE470K MMF25SFRE47R5 MMF25SFRE22K MMF25SFRE6K81 MMF25SFRE24K MMF25SFRE33R2 MMF25SFRE332K MMF25SFRE20R MMF25SFRE200R MMF25SFRE15K MMF25SFRE3K9 MMF25SFRE220R MMF25SFRE68K MMF25SBRD27K MMF25SFRE470R MMF25SFRE330R MMF25SFRE590K MMF25SBRD470R MMF25SFRE61K9 MMF25SFRE680K MMF25SFRE4K7 MMF25SFRE475R MMF25SFRE2K74 MMF25SFRE22R MMF204FRE47R MMF25SFRE1R2 MMF204FRE130R MMF50SFRE1R5 MMF25SFRE60R4 MMF25SFRE1R5 MMF25SFRE2R21 MMF25SFRE3R32 MMF204FRE470K MMF25SFRE390K MMF50SFRE6R65