44系列技術(shù)參數(shù)
電器特性(electrical)
標(biāo)稱阻值范圍(standard resistance range, ohms)..............10 to 2meg
標(biāo)準(zhǔn)電阻誤差(standard resistancetolerance)...................±10%(<100 ohms = ±20%)
Zui大輸入電壓(input voltage, maximum)...................300 vdc or rms,not to exceed power rating
Zui大滑動(dòng)器電流（slider current, maximum）.....100ma or within rated power,whichever is less
額定功率(power rating, watts).............................0.25 at 85°c,derating to 0 at 150°c
Zui大零位阻值(end resistance, maximum)...................1% or 2 ohms,whichever is greater
表面實(shí)際電氣機(jī)械行程(actual electrical travel, nominal)...........9
絕緣強(qiáng)度(dielectric strength).......................600vrms
Zui小絕緣電阻(insulation resistance, minimum)...................1,000megohms
分辨率(resolution).........................本質(zhì)上無(wú)限(essentiallyinfinite)
Zui大接觸電阻變化(contact resistance variation, maximum)...............1% or3 ohms, whichever is greater

環(huán)境特性:(environmental)
seal ..........................................................85°cfluorinert (no leaks)
電阻溫度系數(shù)(temperature coefficient, maximum) ...............±100ppm/°c(<100 ohms = ±250ppm/°c)
工作溫度范圍(operating temperature range) .................–65°c to+150°c
熱沖擊(thermal shock ).....................................5 cycles,–65°c to +150°c (2% δrt, 1% δvr)
抗潮性(moisture resistance) ..............................ten 24 hourcycles (2% δrt, ir 10 megohms min.)
沖擊測(cè)量(shock, 6ms sawtooth) .............................100g’s (1%δrt, 1% δvr)
振動(dòng)測(cè)量(vibration) ....................................20g’s, 10 to2,000 hz (1% δrt, 1% δvr)
Zui高溫度(high temperature exposure) ..................250 hours at125°c (2% δrt, 2% δvr)
旋轉(zhuǎn)壽命(rotational life) ............................200 cycles (6%δrt, 1% crv)
負(fù)荷壽命(load life at 0.25 watts) ....................1,000 hours at85°c (2% δrt, 1% crv)
承受焊接高溫(resistance to solder heat) .....................260°c for 10sec. (1% δrt)
Zui高暴光溫度 (temperature exposure, maximum)................... 215°c for3 min. (1% δrt)
可焊性(solderability)................................... permil-std-202, method 208

機(jī)械原理:(mechanical)
機(jī)械制動(dòng)(mechanical stop)..............................clutch action,both ends
開動(dòng)后Zui大扭轉(zhuǎn)力（torque, starting maximum).............3 oz.-in. (0.021n-m)
名義重量(weight, nominal) .。。。。。。。。。。。。。  .01 oz. (0.3 grams)

尺寸:4mm

本產(chǎn)品的加工定制是是，品牌是BI，型號(hào)是44WR50KLFT7，種類是貼片式，用途是精密，材料是玻璃釉膜，性能是微調(diào)，阻值調(diào)節(jié)方式是旋轉(zhuǎn)式，阻值變化方式是X式（直線式），標(biāo)稱阻值是50k，額定功率是0.25（W），阻值允許偏差是±10（%），滑動(dòng)噪聲是5（V），分辨率是1（%），零位電阻是3（Ω），接觸電阻是2（Ω），絕緣電阻是1（MΩ），符合度是0，溫度系數(shù)是±100ppm/°C