WMSIC Electronic Components

BOCHEN 3362P-1-203 Trimmer Potentiometer 3362P

Model3362P-1-203
PackageThrough-hole
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

17 specifications

Core information

Product name
BOCHEN 3362P-1-203
Type
BOCHEN
Minimum package
50 圆盘

Technical parameters

Power
500mW
Electronic Component
Electronic Component
Electronic Component
BOCHEN
Electronic Component
3362P-1-203
Electronic Component
1
Package
Through-hole
Electronic Component
Resistor / positions
Electronic Component
±10%
Electronic Component
0.58g
Electronic Component
20kΩ
Electronic Component
1
Electronic Component
BM0265995093
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.

3362P-1-203精密可调电位器产品概述

一、产品核心身份定位

3362P-1-203是BOCHEN博晨品牌推出的插件式单圈可调电位器,属于3362P系列中阻值为20kΩ的规格型号。该元件定位为中精度、中小功率的电子调节元件,广泛适配工业控制、消费电子、仪器仪表等领域的阻值微调需求,是替代同规格进口型号的高性价比国产选项。

二、关键电气性能参数

作为可调电阻的核心指标,3362P-1-203的电气参数直接决定其应用场景:

  1. 阻值规格:20kΩ(型号尾缀“203”为阻值编码——前两位“20”是有效数字,第三位“3”代表×10³,即20×10³Ω=20kΩ);
  2. 阻值精度:±10%(符合工业级常规精度要求,满足多数非超高精度的信号校准、参数调节场景);
  3. 额定功率:500mW(0.5W)——实际使用时需严格控制功率不超过此值,避免过热导致阻值漂移或元件损坏;
  4. 附加参数:
    • 工作电压范围:AC/DC ≤200V(安全电压下稳定工作);
    • 温度系数:±200ppm/℃(阻值随温度变化的稳定性,适合常规环境使用);
    • 调节范围:0Ω至20kΩ连续可调(无阶跃,满足线性调节需求)。

三、机械与封装特性

3362P-1-203的机械设计适配插件安装与快速调节:

  1. 封装形式:通孔插件式(3个金属插脚,引脚间距符合PCB标准通孔设计,支持手工焊接或自动插件);
  2. 调节方式:单圈旋钮调节(调节行程短,转动1圈即可完成全阻值范围调整,适合现场快速校准);
  3. 尺寸规格:参考标准封装,直径约6mm,高度约10mm(占用PCB空间小,适配紧凑电路设计);
  4. 结构特点:内部采用碳膜/金属玻璃釉电阻体(耐磨、阻值稳定),外壳为阻燃塑料(符合UL94-V0防火等级)。

四、典型应用场景

结合参数特性,3362P-1-203主要用于以下场景:

  1. 工业控制电路:PLC模块的信号衰减调节、传感器(温度/压力/液位)的零点/增益校准;
  2. 消费电子设备:音频设备的音量微调、显示设备(LCD/LED)的亮度/对比度调节;
  3. 电源电路:线性电源的输出电压微调、开关电源反馈回路的参数校准;
  4. 仪器仪表:万用表、示波器等测试设备的基础校准(非超高精度环节);
  5. 小型电子模块:智能家居控制器、车载辅助设备的参数调节(适配常规工作环境)。

五、选型与使用注意事项

为确保元件稳定工作,需注意以下要点:

  1. 功率匹配:计算实际功率避免过载——例如20kΩ电位器,最大允许电流约5mA(I=√(0.5W/20kΩ)),最大允许电压约100V(V=√(0.5W×20kΩ));
  2. 精度适配:±10%精度不适合超高精度场景(如医疗设备校准),需更高精度可选择±5%或±1%规格;
  3. 焊接要求:焊接温度控制在260℃以内,焊接时间不超过3秒(避免损坏内部电阻体);
  4. 环境适应性:常规工作温度-55℃至125℃,避免长期暴露在高湿(>85%RH)或腐蚀性气体环境中(若需防护可加外壳)。

六、品牌与品质保障

BOCHEN博晨作为国内被动元件领域的成熟品牌,3362P-1-203具备以下品质优势:

  1. 环保合规:符合RoHS无铅标准,不含镉、铅等有害物质;
  2. 批量一致性:出厂前经阻值精度测试、功率老化、焊接可靠性检测,同批次产品偏差控制在±10%以内;
  3. 兼容性:引脚定义、封装尺寸与进口同型号(如Bourns 3362P-1-203)完全兼容,可直接替代使用;
  4. 售后支持:提供常规技术咨询与样品支持,适配小批量到大规模生产需求。

3362P-1-203凭借“高性价比+稳定性能+便捷安装”的特点,成为中低端电子设备阻值调节的主流选型之一,可满足多数常规场景的实际需求。

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