| 品牌 | 克拉 | 型號(hào) | rxhg-200 |
| 種類(lèi) | 線繞 | 性能 | 通用 |
| 材料 | 線繞 | 工藝 | 普通線繞 |
| 外形 | q | 標(biāo)稱(chēng)阻值 | q |
| 溫度系數(shù) | % | 額定功率 | %(w) |
| 調(diào)節(jié)方式 | 固定 | 功率特性 | 大功率 |
| 營(yíng)銷(xiāo)方式 | 直銷(xiāo) | 產(chǎn)品性質(zhì) | 新品 |
產(chǎn)品名稱(chēng):rxhg-200型涂料繞線電阻
product name:rxhg-200series cement-coated wire wound resistors
型 號(hào):rxhg-200
type: rxhg-200
產(chǎn)品介紹:rxhg型涂料繞線電阻器是一種功率型繞線電阻器,該產(chǎn)品采用波狀電阻合金帶以側(cè)立形式纏繞在陶瓷骨架上,表面被覆絕緣耐高溫涂料,有利于散熱,并配有安裝支架,電阻器具有功率大,耐過(guò)載能力強(qiáng),安裝方便等特點(diǎn)。
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:涂料繞線電阻廣泛用于變頻器制動(dòng),起重機(jī)械以及負(fù)載電阻之用。目前,已在電梯,機(jī)床,焊接等機(jī)電行業(yè)中應(yīng)用,并替代進(jìn)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.
■電氣及機(jī)械特性 electrical and mechanical specifications
特性 | 規(guī)格 | 試驗(yàn)方法 |
阻值及阻值允許偏差 | 1ω≤r±5%(j) ,1ω>r±10%(k) | jis-c-5202 5-1 |
額定負(fù)荷 | 表面最高溫度: 5~200w≤275℃,>200w≤350℃ | jis-c-5202 5-4 |
短時(shí)過(guò)負(fù)荷 | 無(wú)可見(jiàn)損傷,δr≤±(5%r+0.05ω) | jis-c-5202 5-5 10倍 5秒 |
絕緣電阻 | r≥100mω 1min | jis-c-5202 5-6 dc500v |
耐電壓 | 無(wú)可見(jiàn)損傷,無(wú)飛弧擊穿 δr≤±(0.1%r+0.05) | jis-c-5202 5-7 |
電阻溫度特性 | ±260ppm/℃(小于5ω以不作檢測(cè)) | jis-c-5202 5-2 b |
端子強(qiáng)度 | 無(wú)松動(dòng)或機(jī)械損傷 | jis-c-5202 6-1(2) |
電阻體強(qiáng)度 | 無(wú)可見(jiàn)損傷 | jis-c-5202 6-2 |
耐振性 | 無(wú)可見(jiàn)損傷,δr≤±(0.1%r+0.05ω) | jis-c-5202 6-3 |
可焊性 (焊接類(lèi)) | 新焊錫覆蓋率為95%以上 | jis-c-5202 6-5 |
■環(huán)境特性 environmental specifications
特性 | 規(guī)格值 | 試驗(yàn)方法 |
耐熱性 | 除端子外無(wú)明顯變色和損傷,標(biāo)志清晰 | jis-c-5202 7-2 |
熱沖擊 | 無(wú)可見(jiàn)機(jī)械損傷 | jis-c-5202 7-3 |
耐濕性 | 無(wú)可見(jiàn)損傷,標(biāo)志清晰,δr≤±(5%r+0.05ω),絕緣電阻≥10mω | jis-c-5202 7-5 dc100 40℃ 95%rh 500hours |
耐久性 (額定負(fù)載) | 外觀無(wú)可見(jiàn)損傷,標(biāo)志清晰,δr≤±(5%r±0.05ω) | jis-c-5202 7-10 100%負(fù)荷 rated power load 90 min on 30 min off 500hours |
■ 額定功耗曲線 power derating curve
環(huán)境溫度 | 0~20℃ | 20℃以上 |
功率損耗 | 100% | 見(jiàn)圖 |
● 型號(hào)說(shuō)明 type explanation
rxhg被漆波繞電阻器,
rxhg is the moire wire-wound cement-coating fixed resistor
● 結(jié)構(gòu)說(shuō)明 structure explanation
rxhg-a為電阻體與安裝支架之間不用瓷片隔離。
rxhg-a not using the porcelain sheet to separate the resistor body from the installation frame.
rxhg-b為電阻體與安裝支架之間使用瓷片隔離。
rxhg-b using the porcelain sheet to separate the resistor body from the installation frame.
rxhg-d型為電阻體兩端使用瓷片并在中間串一根螺栓。
rxhg-d using the porcelain sheet on both of the two terminals and they are
series-connected by a screw bolt.