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rxg繞線電阻器

品牌 克拉 型號 rxg
種類 線繞 性能 通用
材料 線繞 工藝 普通線繞
外形 a 標稱阻值 a
溫度系數 a 額定功率 %(w)
調節方式 固定 功率特性 大功率
營銷方式 直銷 產品性質 熱銷

產品名稱:rxg被漆線繞電阻器
product name: rxg silicon cemented wire wound resistors

型    號:rxg
type:    rxg

產品介紹: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。電阻分為固定式或可調式,可調式可左右移動。固定式有兩個或多個電阻腳,電阻腳厚度可根據功率大小調節。
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,電梯,起重機械以及負載電阻之用。
purpose:  cement-coated wire wound resistor is used in transducer trig, elevator, derrick and as load resistor widely.

■電氣及機械特性 electrical and mechanical specifications

特性
characteristics

規格
limits

試驗方法
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

短時過負荷
short-time overload

無可見損傷,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

無可見損傷,無飛弧擊穿 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

端子強度
terminal strength

無松動或機械損傷
not loosely and no evidence of mechanical damage

jis-c-5202  6-1(2)

電阻體強度
resistor strength

無可見損傷
no evidence of mechanical damage

jis-c-5202  6-2

耐振性
vibration

無可見損傷,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

■環境特性 environmental specifications

特性
characteristics

規格值
limits

試驗方法
test methods

耐熱性
heat resistance

除端子外無明顯變色和損傷,標志清晰
no deterioration of protective coatings or markings

jis-c-5202  7-2
350℃  2hours

熱沖擊
thermal shock

無可見機械損傷
no evidence of mechanical damage

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

耐濕性
humidity

無可見損傷,標志清晰,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  (額定負載)
humidity   load life

外觀無可見損傷,標志清晰,δr≤±(3%r±0.05ω)
no evidence of mechanical damage
no deterioration of protective coatings or markings

jis-c-5202  7-10     100%負荷 rated power load   90 min on 30 min off   500hours

■規格 specification
外型、尺寸  configuration (m/m)
rxg  type

● 型號說明 type explanation
rxg為被漆繞線固定電阻器,rxg(t)為被漆繞線可調電阻器
rxg is the wire-wound cement-coating fixed resistor
rxg(t)is the wire-wound cement-coating adjustable resistor

● 結構說明 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.