詳細(xì)信息
●產(chǎn)品特點(diǎn) Features
1.該產(chǎn)品的陶瓷基體是將Ni-Cr電阻原料通過真空鍍膜法形成,并以優(yōu)良的耐熱性耐氣候性的涂料進(jìn)行涂層.
2.有1/6W到2W的各種規(guī)格,能符合各種需求
3.使用壽命,耐氣候特性均極為穩(wěn)定.
4.符合無鉛/RoHS要求
●外形及尺寸 Dimensions
注: 普通品本體顏色為藍(lán)色,小型品為粉紅色
| unit:mm | ||||
| 類別 Style | L | D | H | d |
| 1/6W,1/8W | 3.4±0.2 | 1.7±0.2 | 28±2.0 | 0.4±0.05 |
| 1/4WM | ||||
| 1/4W | 6.5±0.5 | 2.3±0.2 | 28±2.0 | 0.42±0.05 |
| 1/2WM | ||||
| 1/2W | 9.0±0.5 | 3.5±0.5 | 28±2.0 | 0.54±0.05 |
| 1WM | ||||
| 1W | 11.0±1.0 | 4.5±0.5 | 35±2.0 | 0.65±0.05 |
| 2WM | ||||
| 2W | 15.0±1.0 | 5.0±0.5 | 33±2.0 | 0.75±0.05 |
| 3WM |
●電氣規(guī)格 Electrical Specifications
項(xiàng)目Items 類別Style | Bitmap
| |||||||||||||||
| 1/6W &1/8W | 1/4WM &1/4W | 1/2WM &1/2W | 1WM & 1W | 2WM & 2W | 3WM | |||||||||||
| 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 | 200V | 250V | 300V | 500V | 500V | 500V | ||||||||||
| 最高負(fù)荷電壓 Maximum Overload Voltage | 400V | 500V | 700V | 1000V | 1000V | 1000V | ||||||||||
| 絕緣電壓 Dielectric Withstanding Voltage | 150V | 350V | 600V | 600V | 600V | 600V | ||||||||||
| 阻值范圍 Value Range | 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 | ||||||||||
| 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70℃時(shí)的功耗值依照下圖曲線
●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(shí)間過負(fù)荷 Short time overload | ±0.5% | 2.5倍額定電壓/5秒 2.5times RCWV/5seconds | |||||||
| 耐熱性 Resistance to solder heat | ±0.5% | 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 | ±100 PPM/℃ | 實(shí)驗(yàn)溫度: 室溫+100℃ Test temperature: indoors Temp. 100℃ | |||||||
| 耐濕負(fù)荷 Humidity Load Life | ±1% | 溫度: 40±2℃,相對濕度: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 | ±1% | 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 | |||||||
●料號編碼 Part Number