●产品特点 Features
1.温度保险丝内藏于水泥电阻内.
2.该电阻在发生过载异常时发挥保险丝功能
3.各种特性在正常时稳定,发生过载异常能时立即熔短
4.合UL 94V-0安规要求
5.合无铅/RoHS要求
●外形及尺寸 Dimensions
| unit:mm | |||||
| 类别 Style | W&plun;1.0 | D&plun;1.0 | H&plun;1.5 | 保险丝 额定温度 | 额定功率 |
| 3W | 12 | 8 | 25 | 135 | 1.5W |
| 150 | 2.0W | ||||
| 5W | 13 | 9 | 25 | 135 | 1.6W |
| 150 | 2.1W | ||||
| 7W | 13 | 9 | 39 | 135 | 2.2W |
| 150 | 2.7W |
●内部结构及物料清单 Construction and Bill of Material
| 物料清单 Bill of Material | |||
| 项目 Item | 物料 Material | ||
| 1 | 瓷棒 Ceramic Core | ||
| 2 | 合金线或氧化棒 Alloy wire or MOF | ||
| 3 | 温度保险丝 Thermal Fuse | ||
| 4 | 铁帽 Iron Cap | ||
| 5 | 焊接点 Welding Dot | ||
| 6 | 引脚 Lead Wire | ||
| 7 | 水泥浆 Cement | ||
| 8 | 瓷壳 Ceramic Case | ||
●功率衰减曲线和温升曲线 Power Derationg Curve & Temp. Rise Curve
功率衰减曲线 (Power Derationg Curve)
温升曲线(Temp.Rise Curve)
●主要性能 Performance Characteristics
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 | &plun;350PPM/℃ | 实验温度: 室温+100℃ Test temperature: indoors Temp. 100℃ | |||||||
| 耐湿负荷 Humidity Load Life | &plun;5% | 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;5% | 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 | |||||||
| 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 | |||||||
●料号编码 Part Number
