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rxg繞線電阻器

品牌 克拉 型號(hào) rxg
種類 線繞 性能 通用
材料 線繞 工藝 普通線繞
外形 a 標(biāo)稱阻值 a
溫度系數(shù) a 額定功率 %(w)
調(diào)節(jié)方式 固定 功率特性 大功率
營(yíng)銷方式 直銷 產(chǎn)品性質(zhì) 熱銷

產(chǎn)品名稱:rxg被漆線繞電阻器
product name: rxg silicon cemented wire wound resistors

型    號(hào):rxg
type:    rxg

產(chǎn)品介紹:rxg型涂料繞線電阻器其表面覆蓋了具有阻燃,耐高溫特性的涂料,性能可靠,使用方便等特點(diǎn)。電阻分為固定式或可調(diào)式,可調(diào)式可左右移動(dòng)。固定式有兩個(gè)或多個(gè)電阻腳,電阻腳厚度可根據(jù)功率大小調(diào)節(jié)。
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:涂料繞線電阻廣泛用于變頻器制動(dòng),電梯,起重機(jī)械以及負(fù)載電阻之用。
purpose:  cement-coated wire wound resistor is used in transducer trig, elevator, derrick and as load resistor widely.

■電氣及機(jī)械特性 electrical and mechanical specifications

特性
characteristics

規(guī)格
limits

試驗(yàn)方法
test methods

阻值及阻值允許偏差
resistance and resistance tolerance

1ω≤r±5%(j) , 1ω>r±10%(k)

 jis-c-5202  5-1

額定負(fù)荷
power rating load                  

表面最高溫度: 5~200w≤275℃
the highest temperature on the surface

jis-c-5202  5-4

短時(shí)過(guò)負(fù)荷
short-time overload

無(wú)可見(jiàn)損傷,δr≤±(2%r+0.05ω)
no evidence of mechanical damage

jis-c-5202  5-5 10倍 5秒
1000% rated power 5 seconds

絕緣電阻
insulation resistance

r≥100mω  1min

jis-c-5202  5-6    dc500v

耐電壓
dielectric withstanding voltage

無(wú)可見(jiàn)損傷,無(wú)飛弧擊穿 δr≤±(0.1%r+0.05ω)
no evidence of mechanical damage or insulation breakdown

jis-c-5202  5-7

電阻溫度特性
temperature coefficient

±260ppm/℃

jis-c-5202  5-2 b

端子強(qiáng)度
terminal strength

無(wú)松動(dòng)或機(jī)械損傷
not loosely and no evidence of mechanical damage

jis-c-5202  6-1(2)

電阻體強(qiáng)度
resistor strength

無(wú)可見(jiàn)損傷
no evidence of mechanical damage

jis-c-5202  6-2

耐振性
vibration

無(wú)可見(jiàn)損傷,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

新焊錫覆蓋率為95%以上
95% coverage min.

jis-c-5202  6-5
270℃  5 seconds

■環(huán)境特性 environmental specifications

特性
characteristics

規(guī)格值
limits

試驗(yàn)方法
test methods

耐熱性
heat resistance

除端子外無(wú)明顯變色和損傷,標(biāo)志清晰
no deterioration of protective coatings or markings

jis-c-5202  7-2
350℃  2hours

熱沖擊
thermal shock

無(wú)可見(jiàn)機(jī)械損傷
no evidence of mechanical damage

jis-c-5202  7-3
額定負(fù)載30分鐘后-55℃溫度下15min
after 30minutes rating load , 55℃ 15mintues

耐濕性
humidity

無(wú)可見(jiàn)損傷,標(biāo)志清晰,δr≤±(3%r+0.05ω),絕緣電阻≥10mω
no deterioration of protective coatings or markings

jis-c-5202  7-5  dc100 40℃ 95%rh 500hours

耐久性  (額定負(fù)載)
humidity   load life

外觀無(wú)可見(jiàn)損傷,標(biāo)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%負(fù)荷 rated power load   90 min on 30 min off   500hours

■規(guī)格 specification
外型、尺寸  configuration (m/m)
rxg  type

● 型號(hào)說(shuō)明 type explanation
rxg為被漆繞線固定電阻器,rxg(t)為被漆繞線可調(diào)電阻器
rxg is the wire-wound cement-coating fixed resistor
rxg(t)is the wire-wound cement-coating adjustable resistor

● 結(jié)構(gòu)說(shuō)明 structure explanation
rxg-a、rxg(t)-a為電阻體與安裝支架之間不用瓷片隔離。
rxg-a、rxg(t)-a  not using the porcelain sheet to separate the resistor body from the installation frame.

rxg-b、rxg(t)-b為電阻體與安裝支架之間使用瓷片隔離。
rxg-b、rxg(t)-b  using the porcelain sheet to separate the resistor body from the installation frame.

rxg-d型為電阻體兩端使用瓷片并在中間串一根螺栓。
rxg-d  using the porcelain sheet on both of the two terminals and they are
series-connected by a screw bolt.

 

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