WMSIC Electronic Components

BOURNS 3362W-1-104LF

Model3362W-1-104LF
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BOURNS 3362W-1-104LF
Type
BOURNS
Minimum package
50 管

Technical parameters

Power
500mW
Electronic Component
Electronic Component
Electronic Component
BOURNS
Electronic Component
1
Electronic Component
3362W-1-104LF
Electronic Component
1
Package
Through-hole-3P, 7x6.6mm
Electronic Component
Resistor / positions
Electronic Component
±10%
Electronic Component
0.72g
Electronic Component
100kΩ
Electronic Component
1
Electronic Component
BM0264398990
Electronic Component
±100ppm/℃
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.

BOURNS 3362W-1-104LF 可调电位器产品概述

一、产品定位与核心场景

BOURNS 3362W-1-104LF是一款工业级单圈微调电位器,属于BOURNS经典3362W系列的100kΩ阻值规格。该产品聚焦“精准阻值校准+紧凑空间适配”需求,主要面向需要一次性或低频次调节的电路场景,避免频繁手动调节带来的阻值漂移,是仪器仪表、通信设备、工业控制等领域的常用元件。

二、关键电气参数详解

该型号的核心电气参数直接决定了其应用边界,具体解析如下:

  1. 阻值规格:100kΩ(标识“104”,即10×10⁴Ω),为固定标称阻值,覆盖常见信号调理、校准电路的阻值需求;
  2. 阻值精度:±10%,即实际阻值范围为90kΩ~110kΩ,满足工业级设备的基本精度要求,无需额外高精度筛选;
  3. 额定功率:500mW(0.5W),指25℃环境下可长期稳定工作的最大功率,高温环境需按温度曲线降额(如100℃时功率需降至约0.25W);
  4. 温度系数(TCR):±100ppm/℃,即温度每变化1℃,阻值变化±100×10⁻⁶×100kΩ=±10Ω,适用于温度波动≤±50℃的场景,能保证阻值稳定性;
  5. 调节圈数:1圈,属于单圈微调设计,调节范围覆盖全阻值,适合一次性校准(如仪器开机校准),不支持持续手动调节。

三、机械与封装特性

该产品的机械设计适配小型化电路需求,具体特性如下:

  • 封装类型:插件式3引脚(3P),符合通用电位器引脚布局(通常为端脚固定、中间脚调节),便于PCB焊接;
  • 外形尺寸:7×6.6mm(长×宽),紧凑体积适合高密度PCB设计,尤其适合仪器仪表、光模块等小型设备;
  • 调节方式:十字槽微调(需螺丝刀操作),避免误触导致阻值变化,符合校准类元件的使用逻辑;
  • 引脚间距:符合标准插件间距(约2.54mm),无需特殊PCB布局,可直接替换同规格竞品。

四、环境适应性与可靠性

3362W系列针对工业场景优化了环境耐受性,该型号的可靠性表现如下:

  • 工作温度范围:-55℃~+125℃(工业级宽温),满足户外基站、高温车间等极端环境需求;
  • 耐老化性能:陶瓷基电阻体,长期工作阻值漂移≤±2%(1000小时老化测试),适合长期稳定运行的设备;
  • 耐湿耐蚀:符合IEC 60068-2-66湿热测试标准(40℃/95%RH,1000小时),抗腐蚀性气体能力强;
  • 调节寿命:100次(校准级寿命),因属于一次性校准元件,无需频繁调节,寿命满足设备全生命周期需求。

五、典型应用案例

结合参数特性,该型号的典型应用场景包括:

  1. 仪器仪表:示波器增益校准、万用表内阻校准、信号发生器频率微调;
  2. 通信设备:基站射频模块偏置电压调节、光模块信号衰减校准;
  3. 工业控制:PLC模拟量输入零点/满量程校准、传感器信号调理电路;
  4. 医疗设备:监护仪信号检测电路、输液泵流量校准电路。

六、选型与使用注意事项

为保证产品性能稳定,需注意以下要点:

  • 功率降额:高温环境下需按“温度每升高10℃,功率降额10%”原则使用,避免过载损坏;
  • 调节限制:单圈设计不可过度旋转(超1圈会损坏电阻体),调节后建议用硅胶固定引脚,防止振动漂移;
  • 焊接规范:无铅焊接温度≤260℃,焊接时间≤3秒,避免高温损坏陶瓷电阻体;
  • 存储条件:常温干燥环境存储(温度0~40℃,湿度≤60%),避免阳光直射和腐蚀性气体,存储期≥1年。

该型号凭借“精准校准+宽温可靠+紧凑体积”的优势,成为BOURNS 3362W系列中应用广泛的基础规格,适配多数工业级校准电路的需求。

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