产品介绍:
1.无引线圆柱状外形,涂覆封装,色环标志,,低温度系数.
2.适用于高要求的表面贴装(D)电子线路.
3.工作温度范围:-55C-125C
●产品特点 Features
1.广泛应用于商业/工业
2.有1/6W到2W的各种规格,能合各种需求
3.适用于自动表面贴装
4.合无铅/RoHS要求
●外形及尺寸 Dimensions
| unit:mm | ||||
| 类别 Style | L | D | C | |
| 1/6W,1/8W | 3.5&plun;0.2 | 1.4&plun;0.15 | 0.5 Min | |
| 1/4WM | ||||
| 1/4W | 6.0&plun;0.2 | 2.2&plun;0.1 | 0.5 Min | |
| 1/2WM | ||||
| 1/2W | 8.5&plun;0.2 | 3.2&plun;0.1 | 0.5 Min | |
| 1WM | ||||
| 1W | 6.0&plun;0.2 | 2.2&plun;0.1 | 0.5 Min | |
| 2WM | ||||
| 2W | 8.5&plun;0.2 | 3.0&plun;0.1 | 0.5 Min | |
| 3WM | ||||
●电气规格 Electrical Specifications
| 项目Items 类别Style | 类别 Style | |||||||||||
| 1/6W &1/8W | 1/4WM &1/4W | 1/2WM &1/2W | 1WM & 1W | 2WM & 2W | 3WM & 3W | |||||||
| 70℃额定功率 Power at 70℃ | 0.125W | 0.25W | 0.5W | 1W | 2W | 3W | ||||||
| 工作电压 Maximum Working Voltage | 250V | 350V | 350V | 500V | 500V | 600V | ||||||
| 负荷电压 Maximum Overload Voltage | 500V | 600V | 700V | 1000V | 1000V | 1000V | ||||||
| 缘电压 Dielectric Withstanding Voltage | 150V | 350V | 600V | 600V | 600V | 600V | ||||||
| 阻值范围 Value Range | G(&plun;2%) | 10Ω-1MΩ | 10Ω-1MΩ | 10Ω-1MΩ | 10Ω-1MΩ | 10Ω-1MΩ | 10Ω-1MΩ | |||||
| J(&plun;5%) | 1Ω-22MΩ | 1Ω-22MΩ | 1Ω-10MΩ | 1Ω-10MΩ | 1Ω-10MΩ | 1Ω-10MΩ | ||||||
| 使用温度范围 Operation Temp.Range | -55℃ ~ +155℃ | |||||||||||
工作电压Rated Continuous Working Voltage (RCWV)=√PR,高于工作电压以工作电压为准.
●功率衰减曲线 Power Derationg Curve
环境温度过70℃时的功耗值依照右图曲线
●主要性能 Performance Characteristic
参考标准:JIS-C-5202
| 项目 Items | 标准值 Standard | 测试方法 Test Methods | |||||||
| 短时间过负荷 Short time overload | &plun;2% | 2.5倍额定电压/5秒 2.5times RCWV/5seconds | |||||||
| 耐热性 Resistance to solder heat | &plun;1% | 焊锡温度:350&plun;10℃,时间:3秒 Solder Temp. :350&plun;10℃,time:3 seconds | |||||||
| 耐电压 Dielectric withstanding voltage | 无烧毁或缘性破坏 No breakdown or flashover | 依照电气规格表施加直流电压持续1分钟 AC potential respectively specified in the list for 60 seconds. | |||||||
| 温度系数 Temperature Coefficient | R＜100KΩ :+350~-500PPM/℃ 100KΩ≤ R ≤1M :0~-700PPM/℃ 1M＜R :0~-1500PPM/℃ | 实验温度: 室温+100℃ Test temperature: indoors Temp. 100℃ | |||||||
| 耐湿负荷 Humidity Load Life | &plun;2% | 温度: 40&plun;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&plun;2℃,90-95&RH for 1000hrs | |||||||
| 负荷寿命 Load Life | &plun;2% | 温度: 70&plun;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&plun;2℃ for 1000hrs | |||||||
| 焊接强度 Terminal Strength | 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 | |||||||
| 可焊锡性 Solderability | 吃锡面积95%以上 At least 95% coverage | 焊锡温度:235&plun;5℃,时间:2&plun;0.5秒 235&plun;5℃ for 2&plun;0.5 seconds | |||||||
