詳細(xì)信息
產(chǎn)品介紹:
1.無(wú)引線圓柱狀外形,涂覆封裝,色環(huán)標(biāo)志,高精密,低溫度系數(shù).
2.適用于高精度要求的表面貼裝(SMD)電子線路.
3.工作溫度范圍:-55C-125C
●產(chǎn)品特點(diǎn) Features
1.廣泛應(yīng)用于商業(yè)/工業(yè)
2.有1/6W到2W的各種規(guī)格,能符合各種需求
3.適用于自動(dòng)表面貼裝
4.符合無(wú)鉛/RoHS要求
●外形及尺寸 Dimensions
| unit:mm | ||||
| 類(lèi)別 Style | L | D | C | |
| 1/6W,1/8W | 3.5±0.2 | 1.4±0.15 | 0.5 Min | |
| 1/4WM | ||||
| 1/4W | 6.0±0.2 | 2.2±0.1 | 0.5 Min | |
| 1/2WM | ||||
| 1/2W | 8.5±0.2 | 3.2±0.1 | 0.5 Min | |
| 1WM | ||||
| 1W | 6.0±0.2 | 2.2±0.1 | 0.5 Min | |
| 2WM | ||||
| 2W | 8.5±0.2 | 3.0±0.1 | 0.5 Min | |
| 3WM | ||||
●電氣規(guī)格 Electrical Specifications
| 項(xiàng)目Items 類(lèi)別Style | 類(lèi)別 Style | |||||||||||
| 1/6W &1/8W | 1/4WM &1/4W | 1/2WM &1/2W | 1WM & 1W | 2WM & 2W | 3WM & 3W | |||||||
| 70℃額定功率 Power at 70℃ | 0.125W | 0.25W | 0.5W | 1W | 2W | 3W | ||||||
| 最高工作電壓 Maximum Working Voltage | 250V | 350V | 350V | 500V | 500V | 600V | ||||||
| 最高負(fù)荷電壓 Maximum Overload Voltage | 500V | 600V | 700V | 1000V | 1000V | 1000V | ||||||
| 絕緣電壓 Dielectric Withstanding Voltage | 150V | 350V | 600V | 600V | 600V | 600V | ||||||
| 阻值范圍 Value Range | G(±2%) | 10Ω-1MΩ | 10Ω-1MΩ | 10Ω-1MΩ | 10Ω-1MΩ | 10Ω-1MΩ | 10Ω-1MΩ | |||||
| J(±5%) | 1Ω-22MΩ | 1Ω-22MΩ | 1Ω-10MΩ | 1Ω-10MΩ | 1Ω-10MΩ | 1Ω-10MΩ | ||||||
| 使用溫度范圍 Operation Temp.Range | -55℃ ~ +155℃ | |||||||||||
工作電壓Rated Continuous Working Voltage (RCWV)=√PR,高于最高工作電壓以最高工作電壓為準(zhǔn).
●功率衰減曲線 Power Derationg Curve
環(huán)境溫度超過(guò)70℃時(shí)的功耗值依照右圖曲線
●主要性能 Performance Characteristic
參考標(biāo)準(zhǔn):JIS-C-5202
| 項(xiàng)目 Items | 標(biāo)準(zhǔn)值 Standard | 測(cè)試方法 Test Methods | |||||||
| 短時(shí)間過(guò)負(fù)荷 Short time overload | ±2% | 2.5倍額定電壓/5秒 2.5times RCWV/5seconds | |||||||
| 耐熱性 Resistance to solder heat | ±1% | 焊錫溫度:350±10℃,時(shí)間:3秒 Solder Temp. :350±10℃,time:3 seconds | |||||||
| 耐電壓 Dielectric withstanding voltage | 無(wú)燒毀或絕緣性破壞 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 | R＜100KΩ :+350~-500PPM/℃ 100KΩ≤ R ≤1M :0~-700PPM/℃ 1M＜R :0~-1500PPM/℃ | 實(shí)驗(yàn)溫度: 室溫+100℃ Test temperature: indoors Temp. 100℃ | |||||||
| 耐濕負(fù)荷 Humidity Load Life | ±2% | 溫度: 40±2℃,相對(duì)濕度:90-95%,1倍額定工作電壓,時(shí)間1000小時(shí)(1.5小時(shí)開(kāi)0.5小時(shí)關(guān)) Rated voltage 1.5hr ON,0.5hr OFF at 40±2℃,90-95&RH for 1000hrs | |||||||
| 負(fù)荷壽命 Load Life | ±2% | 溫度: 70±2℃,1倍額定工作電壓,時(shí)間1000小時(shí)(1.5小時(shí)開(kāi)0.5小時(shí)關(guān)) Rated voltage 1.5hr ON,0.5hr OFF at 70±2℃ for 1000hrs | |||||||
| 焊接強(qiáng)度 Terminal Strength | 無(wú)引線脫落 No evidence of mechanical damage or loosening terminals | 2.5公斤拉力,持續(xù)時(shí)間10秒 2.5Kg for 10 seconds | |||||||
| 可焊錫性 Solderability | 吃錫面積95%以上 At least 95% coverage | 焊錫溫度:235±5℃,時(shí)間:2±0.5秒 235±5℃ for 2±0.5 seconds | |||||||