3590S电位器 3590S-2-501L BOURNS精密电位器

3590s技术参数

电气特性（electrical characteristics）    
    
标准阻值范围(standard resistance range）..........................200 to100k ohms    
阻值允许偏差(resistancetolerance）..........................................±5 %    
独立线性度(independentlinearity)..........................................±0.25%    
有效旋转角度(effective electrical angle)......................3600 ° +10°, -0 °    
zui小阻值(absolute minimum resistance）......................1 ohm or 0.1% maximum     
                                                           (whichever is greater)    
噪音(noise)...................................................100ohms enr maximum    
耐电压(dielectric withstanding voltage)(mil-std-202, method301)    
海平面（sea level）..............................................1,500vac minimum    
额定功率(power rating)(voltage limited by power dissipation or 450 vac,whichever is less)    
  +40°c..................................................................2watts    
  +125°c..................................................................0watt    
绝缘电阻(insulation resistance)(500 vdc)....................1,000megohms minimum    
分辨率(resolution) ..................................see recommendedpart numbers    
    
环境特性(environmental characteristics)    
    
工作温度范围(operating temperature range).......................+1 °c to+125 °c    
储存温度范围(storage temperature range)........................-55 °c to+125 °c    
温度系数范围(temperature coefficient over storage temperaturerange2)    
.........................................................±50 ppm/°cmaximum/unit    
震动(vibration)...............................................................15g    
电刷返回(wiper bounce).....................................0.1millisecond maximum    
冲击(shock)...................................................................50g    
高温负荷寿命(load life).......................................1,000hours, 2 watts    
总阻变化(total resistance shift).....................................±2% maximum    
旋转寿命(rotational life) (no load)....................1,000,000 shaftrevolutions    
总阻变化(total resistance shift).....................................±5% maximum    
防潮性(moisture resistance) (mil-std-202, method 103, conditionb)    
总阻变化(total resistance shift).....................................±2% maximum    
防护等级(ip rating)    
密封对象（sealed versions） (-3, -4, -7, and -8)............................ip 65    
不密封对象(unsealed versions) (-1 -2, -5, and-6)............................ip 40    
    
机械特性(mechanical characteristics)    
    
终端止档强度 (stop strength)..........................45 n-cm (64oz.-in.) minimum    
机械角度(mechanical angle)....................................3600 °+10 °, -0 °    
扭矩(torque) (starting & running).......0.35 n-cm (0.5 oz.-in.)maximum (unsealed)    
1.1 n-cm (1.5 oz.-in.) maximum (sealed)    
固定方式(mounting)..............................55-80 n-cm (5-7lb.-in.) (plastic)    
90-113 n-cm (8-10 in.-lb.) (metal)    
轴摆度(shaft runout).....................................0.13 mm(0.005 in.) t.i.r.    
横向摆动(lateral runout).................................0.20 mm (0.008in.) t.i.r.    
轴端游隙(shaft end play).................................0.25 mm (0.010in.) t.i.r.    
转轴径向跳动(shaft radial play)..........................0.13 mm (0.005in.) t.i.r.    
引导径向跳动(pilot diameter runout)......................0.08 mm (0.003in.) t.i.r.    
侧隙(backlash)......................................................1.0° maximum    
重量(weight)....................................................approximately19 g    
终端设备(terminals).........................................solder lugsor pc pins    
浸焊条件(soldering condition)    
手焊(manual soldering)...................96.5sn/3.0ag/0.5cu solidwire or no-clean    
活性松香焊锡丝(rosin cored wire); 370 °c (700 °f) max. for 3seconds    
波动焊接(wave soldering)...96.5sn/3.0ag/0.5cu solder with no-cleanflux; 260 °c (500 °f) max.    
for 5 seconds    
清洗过程(wash processes)..........................................notrecommended    
标记(marking)..........manufacturer’s name and part number,resistance value and    
                   tolerance, linearity tolerance, wiring diagram, and datecode.    
机械连接(ganging )(multiple section potentiometers).................1cup maximum    
五金器具(hardware).....one lockwasher and one mounting nut is shippedwith each potentiometer.

本产品的加工定制是是，品牌是bourns/邦思，型号是3590s-2-501l，种类是多圈，用途是精密，材料是线绕，性能是螺杆驱动，阻值调节方式是旋转式，阻值变化方式是独立线性，标称阻值是500，额定功率是2w（w），阻值允许偏差是±5%（%），滑动噪声是5（v），分辨率是0（%），零位电阻是0.1（Ω），接触电阻是1（Ω），绝缘电阻是1000（mΩ），符合度是100，温度系数是±50ppm/°c