WMSIC Electronic Components

BOCHEN 3296X-1-203 Trimmer Potentiometer 3296X

Model3296X-1-203
PackageTHT
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

19 specifications

Core information

Product name
BOCHEN 3296X-1-203
Type
THT
Minimum package
50 圆盘

Technical parameters

Power
500mW
Electronic Component
Electronic Component
Electronic Component
BOCHEN
Electronic Component
30
Electronic Component
3296X-1-203
Electronic Component
1
Package
Through-hole
Electronic Component
Resistor / positions
Electronic Component
±10%
Electronic Component
1.286g
Electronic Component
20kΩ
Electronic Component
1
Electronic Component
BM0266081694
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.

3296X-1-203精密可调电位器产品概述

3296X-1-203是BOCHEN(博晨)品牌推出的插件式多圈精密可调电位器,属于3296X系列核心型号,专为电子电路中需要精细、稳定的电压/电流调节场景设计,兼具高分辨率与可靠性,是工业控制、仪器仪表等领域的常用基础元件。

一、产品基本属性

该型号定位为中精度多圈可调电位器,核心属性清晰明确:

  • 品牌:BOCHEN(博晨),国内专业被动元件制造商,产品覆盖电子、工业、汽车等多领域;
  • 系列:3296X(多圈精密型),区别于单圈电位器的高调节精度与稳定性;
  • 封装:插件(直插式),适配传统PCB焊接工艺,支持卧式/立式两种安装方式;
  • 功能:通过螺杆旋转调节电阻值,实现电路中电压分压、电流限流的精准控制。

二、核心参数详解

3296X-1-203的参数经过标准化设计,满足多数应用场景的性能需求:

  1. 阻值与精度:标称阻值20kΩ(标识“203”=20×10³Ω),精度±10%,可覆盖一般工业/消费电子的校准需求(若需更高精度可选择±5%或±1%衍生型号);
  2. 功率规格:额定功率500mW(0.5W),实际使用时需确保功耗不超过该值(如工作电流≤5mA,计算方式:(I=\sqrt{P/R}=\sqrt{0.5/20000}≈5mA));
  3. 温度系数:±250ppm/℃,即温度每变化1℃,阻值变化±5Ω((ΔR=20000×250×10^{-6}×ΔT)),满足环境温度波动下的阻值稳定性;
  4. 调节圈数:30圈多圈结构,调节分辨率比单圈电位器提升约30倍,适合需要精细校准的场景(如传感器零点调节);
  5. 工作温度范围:-55℃~+125℃(常规3296X系列参数),可适应工业环境的宽温需求。

三、结构与工艺特点

3296X-1-203采用成熟的精密电位器结构,核心工艺优势显著:

  • 电阻体:金属玻璃釉电阻体,相比碳膜电阻体具有更高的稳定性、耐磨损性与抗潮性,调节寿命可达1000次以上;
  • 调节机构:多圈螺杆+塑料旋钮/调节孔设计,旋转顺滑且定位准确,避免单圈电位器的“过冲”问题;
  • 封装设计:插件式引脚采用镀锡工艺,焊接牢固且抗氧化,引脚间距符合标准PCB设计规范,便于批量生产;
  • 防护设计:顶部可选密封盖,可防止灰尘、异物进入调节机构,提升长期可靠性。

四、典型应用场景

结合参数与结构特点,3296X-1-203适用于以下场景:

  1. 工业控制:PLC输入模块的信号校准、传感器(压力/温度/流量)的零点/量程调节、电机调速电路的参数微调;
  2. 仪器仪表:示波器、万用表的校准电路、信号发生器的输出幅度调节、电子秤的精度校准;
  3. 消费电子:音频设备(功放、音箱)的音量/音调微调、线性电源的输出电压校准、LED驱动电路的电流调节;
  4. 汽车电子:车载音响的均衡调节、胎压监测传感器的信号预处理(需确认环境适配性)。

五、选型与使用注意事项

为确保产品性能与寿命,使用时需注意以下要点:

  1. 选型匹配:需确认实际功耗≤500mW,若工作电流超过5mA需并联/串联电阻降额,或选择更高功率型号;
  2. 焊接规范:焊接温度≤260℃,焊接时间≤3秒,避免高温损坏电阻体与调节机构;
  3. 调节操作:多圈调节时避免过拧(旋转圈数不超过30圈),调节后可通过密封胶固定引脚,防止振动导致阻值漂移;
  4. 环境适配:避免在潮湿、腐蚀性气体环境下使用(如海边、化工厂),若需防护可选择带密封盖的型号;
  5. 存储要求:存储温度-40℃~+85℃,相对湿度≤85%,避免阳光直射与机械冲击。

六、品牌与质量保障

BOCHEN(博晨)作为国内专业被动元件供应商,3296X系列产品经过严格可靠性测试:

  • 测试项目:高低温循环(-55℃+125℃,100循环)、振动测试(102000Hz,加速度2g)、调节寿命测试(1000次);
  • 环保认证:符合RoHS 2.0标准,无铅、无镉等有害物质;
  • 质保服务:常规提供1年质保,批量订单可提供定制化测试报告。

3296X-1-203凭借高性价比、稳定性能与便捷安装,成为电子电路中“调节类”需求的优选元件,可满足多数中低端到中端应用场景的性能要求。

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