深圳市万联盛科技有限公司
专注于高品质电阻器 - 丰富的生产研发管理团队
18617185077 彭生
0755-27606841
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耐热性好、温度系数小、噪声低、负荷功率大、绝缘性高。
2.Operating ambient temperature 使用环境温度 :-55℃~+275℃
3.Resistance tolerance阻值误差: ±1%,±2%,±5%,±10%.
| Specifications 特性 | ||||||||||||||
| Part NO. 品名 | Dimensions 尺寸(mm) | Resistance range 阻值范围 | ||||||||||||
| W±1 | H±1 | L±1.5 | C±3 | D±0.05 | KN | MO | ||||||||
| 2W | 7 | 7 | 18 | 30 | 0.8 | 0.1~270 | 271~33K | |||||||
| 3W | 8 | 8 | 22 | 35 | 0.8 | 0.1~1K | 1K1~47K | |||||||
| 5W | 10 | 9 | 22 | 35 | 0.8 | 0.1~1K | 1K1~68K | |||||||
| 7W | 10 | 9 | 35 | 35 | 0.8 | 0.1~1K | 1K1~68K | |||||||
| 10W | 10 | 9 | 48 | 33 | 0.8 | 0.1~1K | 1K1~50K | |||||||
| 15W | 12.5 | 11.5 | 48 | 33 | 0.8 | 0.1~1K | 1K1~150K | |||||||
| 20W~25W | 14 | 13.5 | 60 | 33 | 0.8 | 0.1~1K | 1K1~150K | |||||||
| Item 项目 /Power rated 额定功率 | 2W | 3W | 5W | 7W | 10W | 15W | 20W~25W | |||||||
|
Max. working voltage 最大工作电压 |
150V | 350V | 350V | 500V | 750V | 1000V | 1000V | |||||||
|
Dielectric withstanding voltage 耐电压 |
1000V (AC) | 1000V (AC) | 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% | J±5% | J±5% | |||||||
|
Characteristics 特性 |
Specifications 规格 |
Test Method 测试方法 |
|
Dielectric withstanding voltage 耐电压 |
No evidence of flashover mechanical amage, arcing or insulation breakdown. 涂装不可烧毁，绝缘不可破坏 |
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. 电阻两端导线置于金属V型槽上依电性表之电压规格印加60秒。 |
| Insulation Resistance 绝缘阻抗 | 1000MΩ MIN |
Withstanding test and shall be measured at DC 500V. Resistor shall be prepared AC same method of dielectric. 以DC500V测试待测体于V形槽之上导线及其表面涂装印加60秒。 |
|
Humidity 耐湿性 |
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. 在温度为40±2°C，相对湿度为90~95%时置于恒温箱中不加电压，连续放置1000小时。 |
| Short time overload 短时间过负荷 | ΔR≤±(2%R0+0.05Ω) |
Temperature resistance change after the application of a potential of 2.5 times RCVW for 5 seconds. 2.5倍额定电压测试5秒。 |
| Load Life in Humidity 湿度寿命 | 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. 在温度为25℃±2℃，相对湿度为90~95%时下以额定电压测试1000小时，其中以通电1.5小时，断电0.5小时进行。 |
|
Solderability 焊錫附著性 |
Covered with new solder by 95% at least. 導線至少95%以上新錫覆蓋。 |
Test temperature of solder:245±5℃ 锡炉温度：245±5℃ Dwell time in solder:5±0.5 seconds 浸炉时间：5±0.5 seconds |
