WMSIC Electronic Components

BOURNS 3362W-1-504LF

Model3362W-1-504LF
PackageThrough-hole-3P, 7x6.6mm
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 3362W-1-504LF
Type
BOURNS
Unit
Electronic Component
Minimum package
50 管

Technical parameters

Power
500mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
BOURNS
Electronic Component
1
Electronic Component
3362W-1-504LF
Electronic Component
1
Package
Through-hole-3P, 7x6.6mm
Electronic Component
Resistor / positions
Electronic Component
±10%
Electronic Component
0.72g
Electronic Component
500kΩ
Electronic Component
1
Electronic Component
BM0265637816
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 3362W-1-504LF 可调电位器产品概述

BOURNS 3362W-1-504LF是一款专为通用电路电阻微调设计的单圈电位器,属于BOURNS经典3362W系列。该器件以稳定的电气性能、紧凑的插件封装,适配工业控制、电源调理、测试仪器等多场景,是量产与手工调试的可靠选择。

一、产品基本定位

该型号定位为中等精度单圈微调电位器,针对低功耗、一次性校准需求优化,兼容传统PCB插件工艺,兼顾成本与性能,适合多数通用电路的电阻调整场景。

二、核心电气参数详解

关键参数直接决定应用范围,具体如下:

  1. 阻值规格:500kΩ(标识代码“504”,即50×10⁴Ω),中高阻值适配分压、信号放大等电路;
  2. 精度等级:±10%,满足工业级通用电路的误差要求(如传感器零点校准、电源输出微调);
  3. 功率额定值:500mW(0.5W),实际工作功率需≤此值,避免过热导致阻值漂移;
  4. 温度系数:±100ppm/℃,温度每变化1℃,阻值变化±0.01%——这一参数确保宽温环境下的性能稳定;
  5. 调整圈数:1圈(单圈设计),调整范围覆盖0%~100%全阻值,适合一次性校准或少量参数调整。

三、机械与封装特性

设计兼顾安装便捷性与空间效率:

  1. 封装类型:插件式3引脚(3P),引脚间距符合标准PCB焊盘,兼容手工焊接、波峰焊工艺;
  2. 尺寸规格:7×6.6mm(长×宽),小型化设计节省PCB空间,适配便携式设备、紧凑型仪器布局;
  3. 材质结构:采用金属陶瓷电阻体(BOURNS 3362系列典型材质),兼具耐磨性与温度稳定性;引脚为镀锡铜材质,抗氧化性强,焊接可靠性高。

四、典型应用场景

结合参数特性,核心应用包括:

  1. 电源电路校准:线性电源、开关电源的输出电压微调(通过分压电阻实现精准输出);
  2. 传感器信号调理:应变片、热电偶、压力传感器的零点偏移与增益调整,保障信号采集精度;
  3. 测试仪器校准:示波器、万用表、信号发生器的量程校准,维持仪器性能稳定;
  4. 工业控制参数设置:PLC模拟量输入模块的增益调整、电机驱动电路的电流限幅校准;
  5. 音频设备微调:便携式音箱、耳机放大器的音量平衡微调(单圈设计避免频繁调节)。

五、性能优势总结

相比同类通用电位器,核心优势突出:

  1. 温度稳定性优异:±100ppm/℃温度系数远优于低成本器件,减少环境温度对电路的影响;
  2. 功率裕量合理:500mW额定功率满足90%以上低功耗电路需求,无需额外降额设计;
  3. 安装调试便捷:插件3引脚设计无需特殊工具,单圈调整操作简单,适合量产与现场调试;
  4. 品牌可靠性保障:BOURNS工业级品质确保寿命≥1000次调整,降低售后维护成本。

六、选型与使用注意事项

为保障性能与寿命,需注意:

  1. 功率限制:实际工作功率≤500mW,最大工作电压可通过U=√(P×R)计算(本型号U≤500V),需留安全裕量;
  2. 温湿度范围:工作温度-55℃+125℃,储存温度-40℃+85℃、湿度≤85%;
  3. 调整工具匹配:单圈微调需用适配螺丝刀(一字/十字,直径匹配7×6.6mm尺寸),避免过度用力损坏电阻体;
  4. 精度匹配:若需更高精度(如±1%),需选择3362系列高精度子型号,本型号±10%为通用级。

综上,BOURNS 3362W-1-504LF是一款性价比优异的通用单圈微调电位器,平衡性能与成本,是工业、消费电子领域电阻微调的常用可靠选择。

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