MFMP Series Metal Film Precision MELF Resistors MERITEK Metal Film Precision Resistor-CSR Series ■Construction 5 2 3 4 6 1 ΦD K L 1 Insulation Coating 2 Trimming Line 3 Ceramic Rod 4 5 6 Electrode Cap Resistor Layer Marking ■Dimensions ■Features Unit: mm -Excellent overall stability Type -Tight tolerance down to ±0.1% -Extremely low TCR down to ±10 PPM/°C -High power rating up to 1 Watt K min. ΦD L Weight (g) (1000pcs) Packaging 180mm (7”) MFMP0204 3.50±0.20 1.40±0.15 0.5 18.7 3,000EA MFMP0207 5.90±0.20 2.20±0.20 0.5 80.9 2,000EA ■Applications -Automotive -Telecommunication -Medical Equipment ■Part Numbering MFMP 0204 Product Type D V 1000 D Dimensions Power Resistance Resistance TCR (L×ΦD) Rating Tolerance (PPM/°C) 0204: 3.5x1.4 0207: 5.9x2.2 T: 1W U: 1/2W V: 1/4W 0100: 10ohm 1000: 100ohm 2201: 2200ohm 1001: 1Kohm 1004: 1Mohm 1 B: ±0.1% C: ±0.25% D: ±0.5% D: ±50 E: ±100 B: ±10 N: ±15 C: ±25 D: ±50 E: ±100 ■Derating Curve Power ratio(%) 100 80 60 40 20 0 0 20 40 60 80 100 120 140 160 180 Ambient Temperature(℃) 1 REV. 6B ■ Standard Electrical Specifications Item Type Power Rating at 70°C Operating Max. Temp. Operating Range Voltage Max. Overload Voltage Resistance Range ±0.1% 100Ω-20KΩ ±0.25% ±0.5% ±1% 10Ω-20KΩ 100Ω-100KΩ 0204 -55 ~ +155°C 1/4W 200V 400V 0207 1/2W 300V 500V ±10 10Ω-100KΩ ±15 100Ω-270KΩ 10Ω-330KΩ 4.7Ω-560KΩ 4.7Ω-1MΩ ±25 100Ω-270KΩ 1Ω-330KΩ 1Ω-1MΩ 1Ω-10MΩ ±50 - 5.11MΩ-10MΩ - -55 ~ +155°C ±5% TCR (PPM/°C) ±100 0.1Ω-0.91Ω 100Ω-20KΩ 10Ω-20KΩ ±10 100Ω-100KΩ 10Ω-100KΩ ±15 100Ω-400KΩ 10Ω-400KΩ 10Ω-560KΩ 10Ω-560KΩ ±25 100Ω-400KΩ 1Ω-330KΩ 1Ω-1MΩ 1Ω-5.1MΩ ±50 - 0.1Ω-0.91Ω ±100 ■High Power Rating Electrical Specifications Item Type Power Rating at 70°C Operating Max. Max. Temp. Operating Overload Range Voltage Voltage Resistance Range ±0.1% ±0.25% 100Ω-100KΩ 0207 -55 ~ 1W +155°C 350V 700V ±0.5% ±1% ±5% 10Ω-100KΩ 100Ω-100KΩ 4.7Ω - 1MΩ 100Ω-100KΩ TCR (PPM/°C) 10Ω - 1MΩ 4.7Ω - 1MΩ ±15 ±25 4.7Ω-560KΩ 1Ω - 1MΩ - 1Ω - 2.2MΩ ±50 0.1Ω – 0.91Ω ±100 ■Environmental Characteristics Item Requirement Test Method Temperature Coefficient of Resistance (T.C.R.) As Spec. +20/-15/+20/+100/+20°C Short Time Overload △R±0.5% RCWV*2.5 or Max. overload voltage for 5 seconds Endurance △R±2% 70±2°C, Max. working voltage for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs “OFF” Humidity with LoaG 40±2°C, 90~95% R.H. Max. working voltage for 1000 hrs △R±2% with 1.5 hrs “ON” and 0.5 hrs “OFF” Dry Heat △R±2% at +155°C for 1000 hrs Solderability 95%min. coverage 245±5°C for 3 seconds Resistance to Soldering Heat △R±0.5% 260±5°C for 10 seconds Reference Standards: JIS-C 5201-1 Storage Temperature: 25±3°C; Humidity < 80%RH 2 REV. 6B