精密电位器3362P-502(5K) 可调电位器 可调电阻 BOURNS电位器

3362系列技术参数

电气特性（electrical characteristics）

标准阻值范围(standard resistance range）.....................................10 to 1 megohms
                                                             (see standard resistance table)
阻值允许偏差(resistance tolerance）.......................±10 % std.
                                                         (tighter tolerance available)
Zui小阻值(absolute minimum resistance）.............1 % or 2 ohm max. (whichever is greater)
接触电阻变化(contact resistance variation).........3.0 % or 3 ohms max.(whichever is greater)
可调(adjustability）
电压（voltage）......................................±0.02 %
电阻（resistance）...................................±0.05 %
分辨率（resolution）.................................infinite
绝缘电阻(insulation resistance） ....................500 vdc. 1,000 megohms min.
绝缘强度（dielectric strength）
sea level ...................................600 vac
80,000 feet...................................250 vac
有效行程（effective travel）......................12 turns nom.

环境特性(environmental characteristics)

额定功率(power rating）(300 volts max.)
         85 °c...........................0.25 watt
         150 °c .........................0 watt
温度范围(temperature range).............-65 °c to +150 °c
温度系数(temperature coefficient)........±100 ppm/°c
密封试验(seal test) .............85 °c fluorinert* (pin styles only)
相对湿度(humidity ................mil-std-202 method 103
                              96 hours (2 % δtr; 100 megohms ir)
震动(vibration) .............30 g (1 % δtr; 1 % δvr)
冲击(shock)..................100 g (1 % δtr; 1 % δvr)
负荷寿命(load life).........1,000 hours 0.25 watt @ 85 °c (3 % δtr; 3 % or 3 ohms,
                                   whichever is greater, crv)
旋转寿命(rotational life).....................200 cycles
                        (2 % δtr; 3 % or 3 ohms,whichever is greater, crv)

物理特性(physical characteristics)

扭矩(torque) ......................................3.0 oz-in. max.
机械制动（mechanical stops) ..........................wiper idles
终端设备(terminals).....................solderable printed circuit pins
重量(weight) ............................0.065 oz.
标记(marking).....................manufacturer’s trademark,
                             resistance code, terminal numbers,
                   date code, manufacturer’s model number and style
电刷(wiper) ............................50 % (actual tr) ±10 %
可燃性(flammability)....................................u.l. 94v-0
标准包装(standard packaging).........50 pcs. per tube
调整工具(adjustment tool) .........................h-90
外形尺寸:6.6*6.99