44W单圈可调电位器,44WR50KLFT7,BI贴片精密电阻电位器

批发数量 250-999PCS ≥1000PCS
梯度价格 ¥7.50 ¥6.50
型号
44WR50KLFT7
品牌
BI
加工定制
种类
贴片式
用途
精密
材料
玻璃釉膜
性能
微调
阻值调节方式
旋转式
阻值变化方式
X式(直线式)
标称阻值
50k
额定功率
0.25(W)
阻值允许偏差
±10(%)
滑动噪声
5(V)
分辨率
1(%)
零位电阻
3(Ω)
接触电阻
2(Ω)
绝缘电阻
1(MΩ)
符合度
0
温度系数
±100ppm/°C

44系列技术参数
电器特性(ELECTRICAL)
标称阻值范围(Standard Resistance Range, Ohms)..............10 to 2Meg
标准电阻误差(Standard Resistance Tolerance)...................±10%(<100 Ohms = ±20%)
最大输入电压(Input Voltage, Maximum)...................300 Vdc or rms, not to exceed power rating
最大滑动器电流(Slider Current, Maximum).....100mA or within rated power, whichever is less
额定功率(Power Rating, Watts).............................0.25 at 85°C, derating to 0 at 150°C
最大零位阻值(End Resistance, Maximum)...................1% or 2 Ohms, whichever is greater
表面实际电气机械行程(Actual Electrical Travel, Nominal)...........9
绝缘强度(Dielectric Strength).......................600Vrms
最小绝缘电阻(Insulation Resistance, Minimum)...................1,000 Megohms
分辨率(Resolution).........................本质上无限(Essentially infinite)
最大接触电阻变化(Contact Resistance Variation, Maximum)...............1% or 3 Ohms, whichever is greater

环境特性:(ENVIRONMENTAL)
Seal ..........................................................85°C Fluorinert (No Leaks)
电阻温度系数(Temperature Coefficient, Maximum) ...............±100ppm/°C (<100 Ohms = ±250ppm/°C)
工作温度范围(Operating Temperature Range) .................–65°C to +150°C
热冲击(Thermal Shock ).....................................5 cycles, –65°C to +150°C (2% ΔRT, 1% ΔVR)
抗潮性(Moisture Resistance) ..............................Ten 24 hour cycles (2% ΔRT, IR 10 Megohms Min.)
冲击测量(Shock, 6ms Sawtooth) .............................100G’s (1% ΔRT, 1% ΔVR)
振动测量(Vibration) ....................................20G’s, 10 to 2,000 Hz (1% ΔRT, 1% ΔVR)
最高温度(High Temperature Exposure) ..................250 hours at 125°C (2% ΔRT, 2% ΔVR)
旋转寿命(Rotational Life) ............................200 cycles (6% ΔRT, 1% CRV)
负荷寿命(Load Life at 0.25 Watts) ....................1,000 hours at 85°C (2% ΔRT, 1% CRV)
承受焊接高温(Resistance to Solder Heat) .....................260°C for 10 sec. (1% ΔRT)
最高暴光温度 (Temperature Exposure, Maximum)................... 215°C for 3 min. (1% ΔRT)
可焊性(Solderability)................................... Per MIL-STD-202, Method 208
机械原理:(MECHANICAL)
机械制动(Mechanical Stop)..............................Clutch action, both ends
开动后最大扭转力(Torque, Starting Maximum).............3 oz.-in. (0.021 N-m)
名义重量(Weight, Nominal) .。。。。。。。。。。。。。  .01 oz. (0.3 grams)
尺寸:4mm