金属膜电阻

Fixed Metal Film Resistors 金属膜电阻 MF Series ●●●●产品特点产品特点产品特点产品特点 Features Features Features Features 1.该产品的陶瓷基体是将Ni-Cr电阻原料通过真空镀膜法形成,并以优良的耐热 性耐气候性的涂料进行涂层. The MF series are formed by depositing Ni-Cr base metal on a ceramic body by vacuum deposit on techniques.The Resistor is protected by several protective coatings to give ecxellent resistance to heat and moisture. 2.有1/6W到2W的各种规格,能符合各种需求 Five sizes are available:1/6W-2W. 3.使用寿命,耐气候特性均极为稳定. Extremely stable device,with long life and durability. 4.符合无铅/RoHS Lead-free and RoHS compliant. ●●●●外形及尺寸外形及尺寸外形及尺寸外形及尺寸 Dimensions Dimensions Dimensions Dimensions unit:mm 类别 Style L D H d 1/6W,1/8W 1/4WS 1/4W 1/2WS 1/2W 1WS 1W 2WS 2W 注: 普通品本体颜色为蓝色,小型品为粉红色 3WS Color of Body: Normal type is blue and Mini type is pink. ●●●●电气规格电气规格电气规格电气规格 Electrical Specifications Electrical Specifications Electrical Specifications Electrical Specifications 1/6W &1/8W 1/4WM &1/4W 1/2WM &1/2W 1WM & 1W 2WM & 2W 3WM 0.125W 0.25W 0.5W 1W 2W 3W 200V 250V 300V 500V 500V 500V 400V 500V 700V 1000V 1000V 1000V 150V 350V 600V 600V 600V 600V B(±0.1%) 100Ω-511KΩ 100Ω-511KΩ 100Ω-511KΩ 100Ω-51KΩ 100Ω-51KΩ 100Ω-51KΩ F(±1%) 0.1Ω-1MΩ 0.1Ω-1MΩ 0.1Ω-1MΩ 10Ω-100KΩ 10Ω-100KΩ 10Ω-100KΩ 工作电压Rated Continuous Working Voltage (RCWV)=√PR,高于最高工作电压以最高工作电压为准. Lesser of √PR or maximum working voltage. ●●●●功率衰减曲线 功率衰减曲线 功率衰减曲线 功率衰减曲线 Power Derationg CurvePower Derationg CurvePower Derationg CurvePower Derationg Curve 环境温度超过70℃时的功耗值依照右图曲线 For resistors operated in ambient temperatures above 70°,power rating must be derated in accordance with the right curve . www.dzfude.com E-mail:fuanelectronics@163.com 类别 Style 70℃额定功率 Power at 70℃ 最高工作电压 Maximum Working Voltage 最高负荷电压 Maximum Overload Voltage 绝缘电压 Dielectric Withstanding Voltage 阻值范围 Value Range 使用温度范围 Operation Temp.Range -55℃ ~ +155℃ 0.75±0.05 0.65±0.05 - 11 - 9.0±0.5 3.5±0.5 28±2.0 15.0±1.0 5.0±0.5 33±2.0 6.5±0.5 2.3±0.2 28±2.0 0.54±0.05 0.42±0.05 3.4±0.2 1.7±0.2 28±2.0 0.4±0.05 11.0±1.0 4.5±0.5 35±2.0 卓越源自品质 Ambient Temperature(℃) P o w e r Lo a d (% ) 60-20-60 20 40 80 140-40 0 40 120 16080 100 20 60 100 0 -55℃ 70℃ 155℃ 180 项目Items 类别Style Fixed Metal Film Resistors 金属膜电阻 MF Series ●●●●主要性能主要性能主要性能主要性能 Performance Characteristics Performance Characteristics Performance Characteristics Performance Characteristics 参考标准:JIS-C-5202 ●●●●料号编码料号编码料号编码料号编码 Part Number Part Number Part Number Part Number MF 镀锡铜线 1/8W 0.125W B ±0.1% R01 0.01Ω T T52 MFC 铜包钢线CP 1/4W,1/4WS 0.25W F ±1% 1009 10Ω T26 T26 1/2W,1/2WS 0.5W 1000 100Ω P P型 1W,1WS 1W 1001 1.0KΩ M M型 2W,2WS 2W 1002 10KΩ F F型 3W,3WS 3W 1003 100KΩ FK2 FK2型 FKK FKK型 MK MK型 MB MB型 www.dzfude.com E-mail:fuanelectronics@163.com 103 T 产品类别 Style 功率 Power 误差 Tolerance 阻值 Value 包装/加工形式 Form MF 1/8W J 焊锡温度:235±5℃,时间:2±0.5秒 235±5℃ for 2±0.5 seconds 可焊锡性 Solderability 吃锡面积95%以上 At least 95% coverage 温度: 40±2℃,相对湿度:90-95%,1倍额定工作电 压,时间1000小时(1.5小时开0.5小时关) Rated voltage 1.5hr ON,0.5hr OFF at 40±2 ℃,90-95&RH for 1000hrs 温度: 70±2℃,1倍额定工作电压,时间1000小时 (1.5小时开0.5小时关) Rated voltage 1.5hr ON,0.5hr OFF at 70±2℃ for 1000hrs 耐湿负荷 Humidity Load Life ±1% 负荷寿命 Load Life ±1% 实验温度: 室温+100℃ Test temperature: indoors Temp. 100℃ 耐电压 Dielectric withstanding voltage 无烧毁或绝缘性破坏 No breakdown or flashover 温度系数 Temperature Coefficient ±100 PPM/℃ - 12 - 测试方法 Test Methods 2.5倍额定电压/5秒 2.5times RCWV/5seconds 标准值 Standard 无引线脱落 No evidence of mechanical damage or loosening terminals 2.5公斤拉力,持续时间10秒 2.5Kg for 10 seconds ±0.5% ±0.5% 焊锡温度:350±10℃,时间:3秒Solder Temp. :350±10℃,time:3 seconds 依照电气规格施加直流电压持续1分钟 AC potential respectively specified in the list for 60 seconds. 项目 Items 短时间过负荷 Short time overload 耐热性 Resistance to solder heat 焊接强度 Terminal Strength 卓越源自品质