WMSIC Electronic Components

BOCHEN 3266W-1-202 Trimmer Potentiometer 3266W

Model3266W-1-202
PackageTHT
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 Option 168789

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
BOCHEN 3266W-1-202
Type
THT
Minimum package
50 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
BOCHEN
Electronic Component
12
Electronic Component
3266W-1-202
Electronic Component
1
Package
Through-hole
Electronic Component
Resistor / positions
Electronic Component
±10%
Electronic Component
0.62g
Electronic Component
2kΩ
Electronic Component
1
Electronic Component
BM0265995086
Electronic Component
±250ppm/℃
Electronic Component
Electronic Component
Electronic Component
50

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

3266W-1-202 可调电阻/电位器产品概述

一、产品定位与典型应用场景

3266W-1-202是BOCHEN(博晨)品牌通用型插件式可调电阻/电位器,核心定位为“成本可控+性能均衡”,适配多数中低端电子设备的阻值调节需求,无需高精度校准的场景均能胜任。

典型应用覆盖三大领域:

  1. 消费电子:小家电(电饭煲温度阈值调节、电热水壶功率微调)、遥控器(音量/频道精准微调)、小型音箱(均衡器频段调节);
  2. 工业控制:小型PLC模拟量输入校准、低压变频器参数微调、小型传感器信号增益调节;
  3. 仪器仪表:普通万用表零点校准、便携式测电笔灵敏度调节、小型示波器通道增益微调。

其插件封装适配传统PCB焊接工艺,批量生产效率高,维护时可直接更换,无需特殊工具。

二、核心电气参数详细解析

该型号参数围绕“通用场景适配”设计,关键参数及实际意义如下:

1. 阻值与精度

  • 标称阻值:2kΩ(型号中“202”为阻值代码,即20×10²=2000Ω);
  • 精度:±10%(实际阻值范围1.8kΩ~2.2kΩ),属于通用级精度,满足无需千分之一级校准的场景(如小家电调节)。

2. 功率与负载能力

  • 额定功率:250mW(0.25W),指25℃环境下长期连续工作的最大功率;
  • 降额提示:环境温度每升高10℃,额定功率约降额10%(如60℃时额定功率约150mW),避免过热损坏。

3. 温度系数与稳定性

  • 温度系数:±250ppm/℃(温度每变化1℃,阻值变化±0.025%);
  • 实际表现:在-40℃~+85℃常规工作范围,阻值最大变化约±3.125%(125℃温差×0.025%),不影响通用场景使用。

4. 调节分辨率(圈数)

  • 调节圈数:12圈(旋转12圈完成阻值从最小到最大调节);
  • 分辨率:每圈阻值变化约166.7Ω(2000Ω÷12),比单圈电位器分辨率高5倍,适合传感器信号校准等微调场景。

三、机械结构与封装特性

3266W-1-202采用插件式(直插)封装,结构适配传统电路应用:

1. 封装形式

  • 引脚数量:3引脚(电位器结构,用于分压调节);
  • 引脚间距:符合2.54mm标准插件规范,可直接焊接通用PCB;
  • 体积:小巧紧凑(约φ10mm×15mm),不占用过多PCB空间。

2. 调节结构

  • 旋转轴:常规圆形轴(需配合旋钮使用);
  • 调节范围:阻值可连续调节(最小阻值因结构存在几Ω~几十Ω误差);
  • 调节方式:无极调节(无档位定位),适合需要平滑调节的场景(如音量旋钮)。

四、性能稳定性与可靠性表现

作为通用型电位器,该型号在可靠性上做了平衡设计:

1. 长期工作稳定性

  • 额定功率下连续工作1000小时,阻值变化率≤±1%(符合行业通用标准);
  • 温度循环测试(-40℃~+85℃,50次循环)后,阻值变化≤±2%,满足多数设备寿命需求。

2. 抗干扰能力

  • 采用碳膜电阻体(通用电位器主流方案),抗电磁干扰能力中等,适合无强干扰的常规环境;
  • 若需抗强干扰,可升级为金属膜电位器(成本略高)。

3. 品牌质量保障

BOCHEN(博晨)作为国内电位器专业品牌,该型号每批抽样检测阻值一致性,供货稳定,适合批量采购。

五、选型适配与应用注意事项

1. 同系列选型参考

  • 高精度需求:选±5%(3266W-2-202)或±1%(3266W-3-202)型号;
  • 高分辨率需求:选20圈版本(后缀加“-20”);
  • 高功率需求:选500mW版本(后缀加“-500”)。

2. 应用注意事项

  • 焊接温度:≤260℃(持续时间≤3秒),避免损坏内部电阻体;
  • 负载限制:实际工作功率不超过额定功率的80%(降额使用,延长寿命);
  • 环境防护:避免潮湿、多尘环境长期使用(可加防尘罩),防止接触不良。

该型号是多数电子设备的“常规选型”,兼顾成本与性能,适合需要通用调节、安装便捷的场景。

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