●產(chǎn)品特點(diǎn) Features
1.溫度保險(xiǎn)絲內(nèi)藏于水泥電阻內(nèi).
2.該電阻在發(fā)生過載異常時發(fā)揮保險(xiǎn)絲功能
3.各種特性在正常時穩(wěn)定,發(fā)生過載異常能時立即熔短
4.合UL 94V-0安規(guī)要求
5.合無鉛/RoHS要求
●外形及尺寸 Dimensions
| unit:mm | |||||
| 類別 Style | W&plun;1.0 | D&plun;1.0 | H&plun;1.5 | 保險(xiǎn)絲 額定溫度 | 額定功率 |
| 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 |
●內(nèi)部結(jié)構(gòu)及物料清單 Construction and Bill of Material
| 物料清單 Bill of Material | |||
| 項(xiàng)目 Item | 物料 Material | ||
| 1 | 瓷棒 Ceramic Core | ||
| 2 | 合金線或氧化棒 Alloy wire or MOF | ||
| 3 | 溫度保險(xiǎn)絲 Thermal Fuse | ||
| 4 | 鐵帽 Iron Cap | ||
| 5 | 焊接點(diǎn) Welding Dot | ||
| 6 | 引腳 Lead Wire | ||
| 7 | 水泥漿 Cement | ||
| 8 | 瓷殼 Ceramic Case | ||
●功率衰減曲線和溫升曲線 Power Derationg Curve & Temp. Rise Curve
功率衰減曲線 (Power Derationg Curve)
溫升曲線(Temp.Rise Curve)
●主要性能 Performance Characteristics
參考標(biāo)準(zhǔn):JIS-C-5202
| 項(xiàng)目 Items | 標(biāo)準(zhǔn)值 Standard | 測試方法 Test Methods | |||||||
| 短時間過負(fù)荷 Short time overload | &plun;2% | 2.5倍額定電壓/5秒 2.5times RCWV/5seconds | |||||||
| 耐熱性 Resistance to solder heat | &plun;1% | 焊錫溫度:350&plun;10℃,時間:3秒 Solder Temp. :350&plun;10℃,time:3 seconds | |||||||
| 耐電壓 Dielectric withstanding voltage | 無燒毀或緣性破壞 No breakdown or flashover | 依照電氣規(guī)格表施加直流電壓持續(xù)1分鐘 AC potential respectively specified in the list for 60 seconds. | |||||||
| 溫度系數(shù) Temperature Coefficient | &plun;350PPM/℃ | 實(shí)驗(yàn)溫度: 室溫+100℃ Test temperature: indoors Temp. 100℃ | |||||||
| 耐濕負(fù)荷 Humidity Load Life | &plun;5% | 溫度: 40&plun;2℃,相對濕度:90-95%,1倍額定工作電壓,時間1000小時(1.5小時開0.5小時關(guān)) Rated voltage 1.5hr ON,0.5hr OFF at 40&plun;2℃,90-95&RH for 1000hrs | |||||||
| 負(fù)荷壽命 Load Life | &plun;5% | 溫度: 70&plun;2℃,1倍額定工作電壓,時間1000小時(1.5小時開0.5小時關(guān)) Rated voltage 1.5hr ON,0.5hr OFF at 70&plun;2℃ for 1000hrs | |||||||
| 可焊錫性 Solderability | 吃錫面積95%以上 At least 95% coverage | 焊錫溫度:235&plun;5℃,時間:2&plun;0.5秒 235&plun;5℃ for 2&plun;0.5 seconds | |||||||
●料號編碼 Part Number
