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无感/水泥电阻
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SQP水泥电阻

产品名称: SQP水泥电阻

产品分类:无感/水泥电阻

产品介绍:
耐热性好、温度系数小、噪声低、负荷功率大、绝缘性高
使用环境温度 :-55℃~+275℃
阻值误差: ±1%,±2%,±5%,±10%.

产品详细介绍

深圳市AG8新科电子有限公司是最早专业电阻生产的高科技企业之一,主要生产全系列刹车铝壳电阻碳膜电阻金属氧化膜电阻精密金属膜电阻大功率绕线电阻制动波纹电阻水泥电阻电力型铝壳电阻...咨询电话:0755-27480227

Products 
产品
Cement type resistors (SQP) 
水泥电阻 SQP
 
Features
特点
1.Good heat-durability, low temperature coefficient, low noise, high load power, high insulating capacity.
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%.
Power rated
额定功率 
Item
项目
2W
3W
5W
7W
10W
15W
20W~25W
Max. working voltage 最大工作电压
150V
350V
350V
500V
750V
1000V
100V
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%
Cement Type Resistor (wire wound) 水泥电阻器(绕线)
Characteristics 特性
Specifications 规格
Test Method 测试方法
DC Resistance直流阻抗值 
JIS-C-5202 5.1
J ± 5%
AT 25
Dielectric withstanding voltage 
耐电压 
JIS-C-5202 5.7
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 
JIS-C-5202 5.6
1000MΩ     MIN
Withstanding test and shall be measured at DC 500V. Resistor shall be prepared AC same method of dielectric. DC500V测试待测体于V形槽之上导线及其表面涂装印加60秒。
Thermal Shock
热冲击
ΔR≤±(2%R0+0.1Ω)
After application of rated power for 30 minutes, 30 minutes exposure to -30±5 ambient temperature. 额定电压印加30分钟后,于812秒以内置于30°C30分钟。
Humidity
耐湿性 
JIS-C-5202 7.5
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。
Cement Type Resistor (metal oxide film) 水泥电阻器(金属氧化皮膜)
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 
室温寿命 
JIS-C-5202 7.10
ΔR≤±(5%R0+0.1Ω)
Permanent resistance change after 1000 hours operating at RCWV, with duty cycle of 1.5 hours on and 0.5 hours off at 25±2.在温度为25±2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。
Load Life in Humidity
湿度寿命 
JIS-C-5202 7.9
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
JIS-C-5202 6.5
95% coverage MIN
Test temperature of solder:230±5 
锡炉温度:230±5 
Dwell time in solder:3±0.5 seconds
浸炉时间:3±0.5 seconds
Humidity
耐湿性 
JIS-C-5202 7.5
ΔR≤±(5%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。
Resistance to Soldering Heat
耐热性
ΔR≤±(1%R0+0.05Ω)
Immerge into the 350±10°C tin stove by3.2~4.8
mm length as the follow form.
浸入锡炉中3.2mm~4.8mm,如下表规定所示:

Temperature
温度
Dip   Time浸入时间
350°C±10°C
3.0±0.5 seconds
260°C±5°C
10±1seconds
Nonflammability
不燃性
Nonflammable 不可燃烧
Load 5 min according to 5times, 10 times, 16 times rated power and A.C. respectively. 分别施以5,1016倍额定功率加交流负荷5分钟。
Notes 备注
More details, please feel free to contact us. 更多信息,请联系AG8。

 

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