WMSIC Electronic Components

BOURNS 3386P-1-502LF

Model3386P-1-502LF
Package3386P
BrandBOURNS
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 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
BOURNS 3386P-1-502LF
Type
BOURNS
Unit
Electronic Component
Minimum package
100 管

Technical parameters

Power
500mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
BOURNS
Electronic Component
1
Electronic Component
3386P-1-502LF
Electronic Component
1
Package
3386P
Electronic Component
Resistor / positions
Electronic Component
±10%
Electronic Component
1.04g
Electronic Component
5kΩ
Electronic Component
1
Electronic Component
BM0264528763
Electronic Component
±100ppm/℃
Electronic Component
Electronic Component

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

BOURNS 3386P-1-502LF 可调电位器产品概述

一、产品核心身份与定位

BOURNS 3386P-1-502LF是美国BOURNS公司推出的小型单圈插件式可调电位器,属于3386P经典系列成员。该产品针对工业控制、消费电子、仪器仪表等领域的中等精度连续调节需求设计,以紧凑尺寸、稳定电气性能和高可靠性为核心优势,适配PCB通孔安装,是信号校准、电源微调、传感器调理等场景的高性价比选择。

二、关键电气参数深度解析

该产品核心参数严格遵循BOURNS 3386P系列标准,关键指标如下:

  • 阻值与精度:标称阻值5kΩ(标识“502”,对应50×10²Ω),精度±10%,满足一般工业与消费电子的中等精度调节需求;
  • 功率额定值:常温(25℃)下连续功率500mW(0.5W),温度升高时需按降额曲线调整(如100℃时功率降额至250mW);
  • 温度系数:±100ppm/℃,表示每变化1℃,阻值变化±0.01%,适配-55℃~+125℃宽温环境;
  • 调节特性:单圈(圈数1)设计,调节范围连续,响应速度快,适合线性调节需求;
  • 辅助性能:绝缘电阻≥100MΩ(500V DC),接触电阻变化≤5%,保证信号传输稳定性。

三、封装与物理特性

3386P-1-502LF采用3386P标准封装,物理特性适配小型化PCB设计:

  • 尺寸规格:方形外壳,尺寸9.5×9.5mm,紧凑占用空间小;
  • 引脚设计:3引脚插件式(3P),引脚间距符合行业标准,便于通孔焊接;
  • 结构设计:顶部螺丝刀调节结构,调节力矩适中(避免误调),塑料外壳耐机械冲击与环境腐蚀;
  • 引脚材质:镀锡铜材质,焊接可靠性高,抗氧化性能优异。

四、典型应用场景覆盖

该产品凭借参数优势,广泛应用于以下场景:

  1. 工业控制:PLC输入输出模块信号校准、小型电机调速、温度/压力传感器零点/增益调节;
  2. 消费电子:传统音频设备音量/音调调节、线性电源输出电压微调、小型家电参数设置;
  3. 仪器仪表:手持万用表量程校准、小型示波器参数调节;
  4. 汽车电子:车载仪表盘背光亮度调节、小功率车载电路参数微调(适配-40℃~+85℃温区)。

五、可靠性与环境适应性

BOURNS 3386P系列的可靠性设计确保长期稳定运行:

  • 工作温度:-55℃~+125℃,符合工业级宽温要求;
  • 寿命特性:机械寿命≥1000次调节(单圈),电气寿命≥5000小时连续工作;
  • 环境耐受性:耐潮湿(IEC 60068-2-67标准,96小时湿热测试无异常)、耐振动(10~2000Hz,1g加速度)、耐冲击(10g,11ms);
  • 降额要求:温度超25℃时,功率每升高1℃降额0.4%,保证长期可靠性。

六、选型与替换参考

  1. 同系列替换:可直接替换同阻值同精度的3386P系列产品(如3386P-1-502G,仅批次差异);
  2. 跨品牌替换:推荐VISHAY 533系列(5kΩ、±10%精度、500mW功率)或PANASONIC EVM系列(参数接近);
  3. 注意事项:替换需确认引脚布局(线性排列3引脚)、调节方式(顶部螺丝刀)一致,避免PCB修改。

该产品以平衡的性能与成本优势,成为众多电子设备调节环节的常用选择,适配主流工业与消费电子设计需求。

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