产品名称：RXHG-B型涂料绕线电阻
Product name: RXHG-B series cement-coated wire wound resistors
型 号：RXHG-B
Type: RXHG-B
产品介绍：RXHG型涂料绕线电阻器是一种功率型绕线电阻器，该产品采用波状电阻合金带以侧立形式缠绕在陶瓷骨架上，表面被覆绝缘耐高温涂料，有利于散热，并配有安装支架，电阻器具有功率大，耐过载能力强，安装方便等特点。
Product introduction: RXHG series cement-coated wire wound resistor is a kind of power wire wound resistor. The products use undee alloy belt and enwind on ceramic framework side stand, the surface is covered with dope which is insulating and can resistance to high temperature , it is good at emit heat and has the fixing bracket, the resistor has the ability of high power, low resistance, resistance to heat, easy to fix etc.
用 途：涂料绕线电阻广泛用于变频器制动，起重机械以及负载电阻之用。目前，已在电梯，机床，焊接等机电行业中应用，并替代进口。
Purpose: Cement-coated wire wound resistor is used in transducer trig, derrick and as load resistor widely. It has be applied in machine and electricity industry of elevator, machine tool, jointing, and had replaced import.
■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℃,＞200W≤350℃
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≤±（5%R+0.05Ω）
no evidence of mechanical damage |
JIS-C-5202 5-5 10倍 5秒
1000% rated power 5 seconds
≥750W 3倍 5秒 |
|
|
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+0.05）
no evidence of mechanical damage or insulation breakdown |
JIS-C-5202 5-7
AC：1500V |
|
|
电阻温度特性
Temperature coefficient |
±260PPM/℃(小于5Ω以不作检测) |
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 （焊接类）
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≤±（5%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≤±（5%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 |
■ 额定功耗曲线 Power Derating Curve
|
环境温度
environment temperature |
0~20℃ |
20℃以上
above 20℃ |
|
功率损耗
pow derating |
100% |
见图
see the fig. |
■ 产品分类标准 classified standard
● 命名方式 how to order
● 型号说明 type explanation
RXHG被漆波绕电阻器，
RXHG is the moire wire-wound cement-coating fixed resistor
● 结构说明 structure explanation
RXHG-A为电阻体与安装支架之间不用瓷片隔离。
RXHG-A not using the porcelain sheet to separate the resistor body from the installation frame.
RXHG-B为电阻体与安装支架之间使用瓷片隔离。
RXHG-B using the porcelain sheet to separate the resistor body from the installation frame.
RXHG-D型为电阻体两端使用瓷片并在中间串一根螺栓。
RXHG-D using the porcelain sheet on both of the two terminals and they are
series-connected by a screw bolt.
