WMSIC Electronic Components

BOCHEN 3224W-1-501E Trimmer Potentiometer 3224W

Model3224W-1-501E
PackageSMD-3P,5x4.8mm
BrandBOCHEN
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BOCHEN 3224W-1-501E
Type
BOCHEN
Minimum package
250 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
BOCHEN
Electronic Component
10
Electronic Component
3224W-1-501E
Electronic Component
1
Package
SMD-3P,5x4.8mm
Electronic Component
Resistor / positions
Electronic Component
±10%
Electronic Component
0.42g
Electronic Component
500Ω
Electronic Component
1
Electronic Component
BM0266081709
Electronic Component
±100ppm/℃
Electronic Component
Electronic Component
Electronic Component
250

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

BOCHEN 3224W-1-501E 贴片多圈电位器产品概述

一、产品定位与核心应用方向

BOCHEN 3224W-1-501E是一款专为小型化、高集成度电子设备设计的贴片3脚多圈电位器,属于博晨电子“3224W系列”的基础款产品。其核心定位是在有限PCB空间内实现精准微调与参数校准,无需额外占用过多面积即可完成信号幅度、零点/满度等参数的灵活调整,适用于消费电子、工业控制、智能传感等中低功率场景。

二、核心电气参数详解

该型号参数经过标准化设计,可满足多数常规电路需求,关键参数如下:

  • 阻值与精度:标称阻值500Ω(编码“501”对应50×10¹Ω),精度±10%(E档),覆盖非超高精度调节场景;
  • 功率等级:额定功率250mW(连续工作),最大电压11.2V(V=√(P×R))、最大电流22.4mA(I=√(P/R)),可稳定工作;
  • 温度系数:±100ppm/℃,即温度每变1℃,阻值变化≤±0.01%。在-40℃至+85℃范围内,总阻值变化≤±1.25%,保证环境波动下的稳定性;
  • 调节圈数:10圈多圈设计,调节分辨率比单圈提升10倍,可实现传感器零点偏移等精细校准。

三、机械与封装特性

为适配自动化贴片生产与紧凑安装,产品机械设计特点明确:

  • 封装规格:SMD-3P(贴片3脚),外形5×4.8mm(长×宽),高度约2.5mm,直接贴装PCB,无需插件;
  • 引脚结构:铜镀锡引脚,兼容回流焊、波峰焊,焊接后与PCB结合牢固,抗振动性能优异;
  • 调节方式:顶部十字槽设计,需0.5mm十字批旋转调节,10圈内实现0Ω至500Ω连续变化,无死区;
  • 寿命指标:连续调节1000次后,阻值变化≤±5%,满足多数设备长期使用需求。

四、性能稳定性与环境适应性

产品经环境测试验证,可适应多场景:

  • 温度稳定性:-40℃至+85℃工作范围,低温(北方户外)、高温(家电散热区)下阻值波动仍在精度内;
  • 耐湿耐腐:引脚与主体镀锡/环氧树脂封装,抵抗≤85%RH非凝结湿度与轻度腐蚀性气体;
  • 抗振动:贴片封装可承受10Hz-2000Hz振动(2g加速度),避免振动导致的阻值漂移。

五、典型应用场景

3224W-1-501E适配以下具体场景:

  1. 小型家电:加湿器湿度阈值调节、台灯亮度微调、小型风扇风速控制;
  2. 工业传感:压力/温度传感器零点校准、PLC模拟量输入微调;
  3. 音频设备:耳机放大器音量精准调节、蓝牙音箱均衡器频段微调;
  4. 智能设备:智能手环传感器灵敏度校准、物联网终端参数配置;
  5. 汽车电子:后视镜加热、小功率传感器参数微调(需确认汽车级温度要求)。

六、选型与使用注意事项

为保证性能寿命,需注意:

  • 选型匹配:电路电压/电流不超额定值(≤11.2V/22.4mA),阻值与电路阻抗匹配;
  • 焊接规范:回流焊峰值230℃-250℃,时间≤30秒,避免过温损坏;
  • 调节限制:不超10圈旋转范围,防止机械磨损;
  • 存储要求:干燥环境(≤60%RH),温度-55℃至+125℃,避免阳光直射与腐蚀气体;
  • 替代选型:需±5%精度选D档,需500mW功率选3224W-2系列。

该产品以“小体积+高精度”为核心优势,是紧凑电路中参数调节的实用选择。

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