WMSIC Electronic Components

BOCHEN 3386P-1-502 Trimmer Potentiometer 3386P

Model3386P-1-502
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

18 specifications

Core information

Product name
BOCHEN 3386P-1-502
Type
BOCHEN
Minimum package
50 圆盘

Technical parameters

Power
500mW
Electronic Component
Electronic Component
Electronic Component
BOCHEN
Electronic Component
3386P-1-502
Electronic Component
1
Package
Through-hole
Electronic Component
Resistor / positions
Electronic Component
±10%
Electronic Component
0.8g
Electronic Component
5kΩ
Electronic Component
1
Electronic Component
BM0266081699
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.

3386P-1-502可调电位器产品概述

3386P-1-502是博晨(BOCHEN)品牌推出的一款插件式通用可调电位器,主打性价比与实用型,广泛适配消费电子、工业控制、仪器仪表等领域的阻值微调需求。以下从核心信息、参数解析、结构特点、应用场景等维度展开详细介绍。

一、产品基础信息

该产品属于单圈旋转可调电阻,采用标准插件(直插)封装,无需特殊贴装设备即可完成焊接,适合原型开发、小批量生产及传统电路板设计。型号编码解析:

  • “3386P”:代表系列与可调类型(P为电位器标识);
  • “1”:对应功率规格(匹配500mW额定功耗);
  • “502”:阻值编码(5×10²Ω=5kΩ)。

二、核心技术参数详解

1. 阻值与精度

标称阻值为5kΩ,精度等级±10%,即实际阻值范围在4.5kΩ~5.5kΩ之间,满足大多数非超高精度电路的微调需求(如普通信号校准、电压分压调整等)。

2. 功率额定值

最大允许功耗为500mW(0.5W),工作时需严格控制实际功耗:

  • 示例:若两端电压为5V,电流约1mA(P=V²/R=25/5000=0.005W),远低于额定值;
  • 极限电流:约10mA(I=√(P/R)=√(0.5/5000)=0.01A),超过则可能导致电阻体过热损坏。

3. 温度系数

温度系数为**±250ppm/℃**,表示环境温度每变化1℃,阻值变化约±0.025%(250×10⁻⁶)。在常规工作温度(-55℃~125℃)范围内,阻值稳定性可满足一般应用场景(如室内电子设备、普通工业环境)。

4. 封装与尺寸

采用标准插件封装,引脚间距符合行业通用标准(通常2.54mm),便于手工焊接或波峰焊;产品尺寸约为直径10mm、高度6mm,小型化设计可有效节省电路板空间。

三、结构与性能特点

1. 电阻体与调节机构

电阻体采用碳膜材质(部分批次为金属陶瓷),阻值分布均匀,旋转调节时手感顺滑无卡顿;单圈设计(0360°旋转)可实现连续阻值调节,调节范围覆盖标称阻值的0100%。

2. 可靠性设计

  • 引脚镀锡处理:焊接时不易氧化,连接牢固,抗腐蚀性强;
  • 外壳材质:采用耐高温工程塑料,可承受焊接高温(≤260℃)及轻微机械冲击;
  • 长期稳定性:经老化测试,阻值漂移率≤1%/1000小时,满足普通设备的长期使用需求。

3. 兼容性优势

插件封装适配多种电路板工艺,无需SMT贴装设备,降低生产设备成本;5kΩ阻值为电子电路常用分压、限流规格,应用场景覆盖广泛。

四、典型应用场景

1. 消费电子领域

  • 音响设备:音量、音调微调;
  • 显示设备:电视/显示器亮度、对比度校准;
  • 小家电:电磁炉、豆浆机的功能参数设置(如火力调节、定时校准)。

2. 工业控制与仪器仪表

  • PLC模块:信号输入校准(如模拟量模块的零位/增益调整);
  • 传感器电路:温度、压力传感器的信号调理(如零点偏移修正);
  • 测试仪器:万用表、示波器的出厂校准与用户校准。

3. 电源电路调整

  • 线性电源:输出电压微调(如5V电源的电压精度校准);
  • 开关电源:反馈回路参数调整(如输出电压纹波控制)。

五、使用注意事项

  1. 功率限制:长时间工作时,实际功耗建议不超过额定值的80%(即400mW),避免电阻体过热;
  2. 焊接规范:单个引脚焊接温度≤260℃,时间≤3秒,防止损坏调节机构;
  3. 环境要求:避免在高湿(相对湿度>90%)、腐蚀性气体环境中使用,防止引脚氧化;
  4. 调节次数:单圈电位器调节次数通常≥1000次,频繁调节可能导致电阻体磨损,影响精度。

综上,3386P-1-502可调电位器以高性价比、便捷调节、可靠性能为核心优势,是通用电路中阻值微调的优选元件,可满足多数常规电子设备的设计与生产需求。

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