rxg绕线电阻器
| 品牌 |
克拉 |
型号 |
rxg |
| 种类 |
线绕 |
性能 |
通用 |
| 材料 |
线绕 |
工艺 |
普通线绕 |
| 外形 |
a |
标称阻值 |
a |
| 温度系数 |
a |
额定功率 |
%（w） |
| 调节方式 |
固定 |
功率特性 |
大功率 |
| 营销方式 |
直销 |
产品性质 |
热销 |
产品名称：rxg被漆线绕电阻器
product name: rxg silicon cemented wire wound resistors
型 号：rxg
type: rxg
产品介绍：rxg型涂料绕线电阻器其表面覆盖了具有阻燃，耐高温特性的涂料，性能可靠，使用方便等特点。电阻分为固定式或可调式，可调式可左右移动。固定式有两个或多个电阻脚，电阻脚厚度可根据功率大小调节。
product introduction: rxg series cement-coated wire wound resistor is covered with dope which has inflammability and can resistance to high temperature, it has the characteristic of good ability and easy to use. the resistor can be classed to settled form and adjustive form, and the adjustive form can move right-and-left. the settled form has two or more terminals, its thickness can adjust accord to power.
用 途：涂料绕线电阻广泛用于变频器制动，电梯，起重机械以及负载电阻之用。
purpose: cement-coated wire wound resistor is used in transducer trig, elevator, derrick and as load resistor widely.
■电气及机械特性 electrical and mechanical specifications
特性
characteristics | 规格
limits | 试验方法
test methods |
阻值及阻值允许偏差
resistance and resistance tolerance | 1ω≤r±5%（j) , 1ω>r±10%（k） | jis-c-5202 5-1 |
额定负荷
power rating load | 表面最高温度: 5~200w≤275℃
the highest temperature on the surface | jis-c-5202 5-4 |
短时过负荷
short-time overload | 无可见损伤，δr≤±（2%r+0.05ω）
no evidence of mechanical damage | jis-c-5202 5-5 10倍 5秒
1000% rated power 5 seconds |
绝缘电阻
insulation resistance | r≥100mω 1min | jis-c-5202 5-6 dc500v |
耐电压
dielectric withstanding voltage | 无可见损伤，无飞弧击穿 δr≤±（0.1%r+0.05ω）
no evidence of mechanical damage or insulation breakdown | jis-c-5202 5-7 |
电阻温度特性
temperature coefficient | ±260ppm/℃ | jis-c-5202 5-2 b |
端子强度
terminal strength | 无松动或机械损伤
not loosely and no evidence of mechanical damage | jis-c-5202 6-1(2) |
电阻体强度
resistor strength | 无可见损伤
no evidence of mechanical damage | jis-c-5202 6-2 |
耐振性
vibration | 无可见损伤，δr≤±（0.1%r+0.05ω）
no evidence of mechanical damage | jis-c-5202 6-3
1.5mm 10~55 hz/ 1minute |
可焊性
solderability | 新焊锡覆盖率为95%以上
95% coverage min. | jis-c-5202 6-5
270℃ 5 seconds |
■环境特性 environmental specifications
特性
characteristics | 规格值
limits | 试验方法
test methods |
耐热性
heat resistance | 除端子外无明显变色和损伤，标志清晰
no deterioration of protective coatings or markings | jis-c-5202 7-2
350℃ 2hours |
热冲击
thermal shock | 无可见机械损伤
no evidence of mechanical damage | jis-c-5202 7-3
额定负载30分钟后-55℃温度下15min
after 30minutes rating load , 55℃ 15mintues |
耐湿性
humidity | 无可见损伤，标志清晰，δr≤±（3%r+0.05ω），绝缘电阻≥10mω
no deterioration of protective coatings or markings | jis-c-5202 7-5 dc100 40℃ 95%rh 500hours |
耐久性 (额定负载)
humidity load life | 外观无可见损伤，标志清晰，δr≤±（3%r±0.05ω）
no evidence of mechanical damage
no deterioration of protective coatings or markings | jis-c-5202 7-10 100%负荷 rated power load 90 min on 30 min off 500hours |
■规格 specification
外型、尺寸 configuration (m/m)
rxg type
● 型号说明 type explanation
rxg为被漆绕线固定电阻器，rxg（t）为被漆绕线可调电阻器
rxg is the wire-wound cement-coating fixed resistor
rxg(t)is the wire-wound cement-coating adjustable resistor
● 结构说明 structure explanation
rxg-a、rxg（t）-a为电阻体与安装支架之间不用瓷片隔离。
rxg-a、rxg（t）-a not using the porcelain sheet to separate the resistor body from the installation frame.
rxg-b、rxg（t）-b为电阻体与安装支架之间使用瓷片隔离。
rxg-b、rxg（t）-b using the porcelain sheet to separate the resistor body from the installation frame.
rxg-d型为电阻体两端使用瓷片并在中间串一根螺栓。
rxg-d using the porcelain sheet on both of the two terminals and they are
series-connected by a screw bolt.