深圳市萬聯(lián)盛科技有限公司
專注于高品質(zhì)電阻器 - 豐富的生產(chǎn)研發(fā)管理團隊
18617185077 彭生
0755-27606841
 |
1.Good heat-durability, low temperature coefficient, low noise, high load power, high insulating capacity.
耐熱性好、溫度系數(shù)小、噪聲低、負荷功率大、絕緣性高。
2.Operating ambient temperature 使用環(huán)境溫度 :-55℃~+275℃
3.Resistance tolerance阻值誤差: ±1%,±2%,±5%,±10%.
| Specifications 特性 | ||||||||
| Part NO. 品名 | Dimensions 尺寸(mm) | Resistance range 阻值范圍 | ||||||
| W± 1 | D± 1 | H± 1.5 | L± 1 | P± 1 | d± 0.1 | KN | MO | |
| 2W | 11 | 7 | 20.5 | 5 | 5 | 0.8 | 0.1~270 | 271~10K |
| 3W | 12 | 8 | 25 | 5 | 5 | 0.8 | 0.1~1K | 1K1~50K |
| 5W | 13 | 10 | 25.5 | 5 | 5 | 0.8 | 0.1~1K | 1K1~50K |
| 7W | 13 | 10 | 39 | 5 | 5 | 0.8 | 0.1~1K | 1K1~47K |
| 10W | 13 | 10 | 51 | 5 | 5 | 0.8 | 0.1~1K | 1K1~47K |
| Item 項目/Power rated 額定功率 | 2W | 3W | 5W | 7W | 10W |
|
Max. working voltage 最大工作電壓 |
150V | 350V | 350V | 500V | 750V |
|
Dielectric withstanding voltage 耐電壓 |
1000V (AC) | 1000V (AC) | 1000V (AC) | 1000V (AC) | 1000V (AC) |
|
Resistance tolerance 阻值精度 |
J±5% | J±5% | J±5% | J±5% | J±5% |
|
Characteristics 特性 |
Specifications 規(guī)格 |
Test Method 測試方法 |
| Dielectric withstanding voltage 耐電壓 |
No evidence of flashover mechanical amage, arcing or insulation breakdown. 涂裝不可燒毀，絕緣不可破壞 |
Resistance shall be clamped with a conductive material which conforms to resistors surface so that 90o of the outer periphery is contacted a potential of 1000V AC shall be applied for 60 seconds. 電阻兩端導(dǎo)線置于金屬V型槽上依電性表之電壓規(guī)格印加60秒。 |
|
Insulation Resistance 絕緣阻抗 |
1000MΩ MIN |
Withstanding test and shall be measured at DC 500V. Resistor shall be prepared AC same method of dielectric. 以DC500V測試待測體于V形槽之上導(dǎo)線及其表面涂裝印加60秒。 |
|
Humidity 耐濕性 |
ΔR≤±(2%R0+0.1Ω) |
Temperature resistance change after 1000 hours exposure in a humidity test chamber controlled at 40±2℃ and 90~95% relative humidity. 在溫度為40±2°C，相對濕度為90~95%時置于恒溫箱中不加電壓，連續(xù)放置1000小時。 |
|
Short time overload 短時間過負荷 |
ΔR≤±(2%R0+0.05Ω) |
Temperature resistance change after the application of a potential of 2.5 times RCVW for 5 seconds. 2.5倍額定電壓測試5秒。 |
|
Load Life in Humidity 濕度壽命 |
ΔR≤±(5%R0+0.1Ω) |
Temperature resistance change after 1000 hours(1.5hours on and 0.5 hours off) at RCVW in a humidity chamber controlled at 40±2℃ and 90~95% relative humidity. 在溫度為25℃±2℃，相對濕度為90~95%時下以額定電壓測試1000小時，其中以通電1.5小時，斷電0.5小時進行。 |
|
Solderability 焊錫附著性 |
Covered with new solder by 95% at least. 導(dǎo)線至少95%以上新錫覆蓋。 |
Test temperature of solder:245±5℃ 錫爐溫度：245±5℃ Dwell time in solder:5±0.5 seconds 浸爐時間：5±0.5 seconds |
