WMSIC Electronic Components

BOCHEN RM065-502(5K) Trimmer Potentiometer RM065

ModelRM065-502(5K)
PackageThrough-hole, 7.3x6.4mm
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 RM065-502(5K)
Type
BOCHEN
Minimum package
500 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
BOCHEN
Electronic Component
RM065-502(5K)
Electronic Component
1
Package
Through-hole, 7.3x6.4mm
Electronic Component
Resistor / positions
Electronic Component
±25%
Electronic Component
0.32g
Electronic Component
5kΩ
Electronic Component
1
Electronic Component
BM0265995095
Voltage
50V
Electronic Component
Electronic Component
Electronic Component
500

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

RM065-502(5K)可调电阻/电位器产品概述

一、产品定位与核心参数

RM065-502(5K)是博晨(BOCHEN)推出的小型插件式碳膜可调电阻,属于RM065系列的标准阻值规格(“502”标识对应阻值为5×10²Ω=5kΩ),主打低精度、小功率场景的电阻调节需求。其核心参数明确:

  • 标称阻值:5kΩ;
  • 精度等级:±25%(满足一般民用/工业低精度应用);
  • 额定功率:100mW(最大持续工作功率);
  • 额定电压:50V(安全工作电压上限);
  • 封装形式:插件(典型为φ6.5mm立式封装,引脚间距2.54mm,适配常规PCB焊接)。

二、结构设计与封装特性

该可调电阻采用紧凑式碳膜结构,核心组件兼顾实用性与可靠性:

  1. 碳膜电阻体:作为阻值调节的基础载体,通过旋钮旋转改变滑动触点位置,实现阻值连续变化(调节范围接近0~5kΩ);
  2. 调节旋钮:顶部为一字槽设计(部分批次为十字槽),手动调节便捷,旋转角度范围≤300°(避免过度磨损内部触点);
  3. 插件引脚:2~3个镀锡铜引脚(3引脚为分压式,2引脚为可变电阻式),耐焊接性好,适配波峰焊、手工焊等工艺;
  4. 绝缘外壳:工程塑料外壳,绝缘性能优异,可承受260℃/10s的焊接高温,同时防护内部组件免受机械碰撞。

三、电气性能详解

除核心参数外,其电气性能适配低精度场景的实际需求:

  • 温度系数:±1000ppm/℃(碳膜电阻典型特性,随温度变化的阻值漂移在可接受范围);
  • 接触电阻:稳定工作时≤5Ω(滑动触点与碳膜的接触电阻小,不影响基础调节功能);
  • 寿命指标:调节次数≥1000次(正常使用下可满足长期调节需求,无明显阻值漂移);
  • 功率-电压限制:实际工作需满足P=U²/R≤100mW,例如50V电压下最大允许电流为2mA(100mW÷50V),避免过载损坏。

四、典型应用场景

因低精度、小体积、低成本的特点,RM065-502(5K)广泛用于以下场景:

  1. 消费电子:收音机、录音机的音量微调,MP3播放器的耳机音量调节;
  2. 小型家电:LED台灯的亮度调节、小风扇的风速微调、加湿器的出雾量控制;
  3. 工业与教学:小型仪器(如万用表校准辅助)、电路实验箱的阻值调节模块;
  4. 玩具与模型:遥控车的速度微调、航模的舵机灵敏度调节;
  5. 安防设备:小型摄像头的红外灯亮度调节(低精度要求场景)。

五、选型与使用注意事项

为保证产品性能与寿命,需注意以下要点:

  1. 选型匹配:确认电路中最大工作功率≤100mW、电压≤50V,阻值需求为5kΩ左右(±25%精度可覆盖的场景);
  2. 焊接规范:手工焊时烙铁温度≤260℃,焊接时间≤10s;波峰焊时需控制焊接时间与温度,避免外壳变形;
  3. 调节禁忌:禁止过度旋转旋钮(超出300°可能导致触点脱落),调节后建议用胶水固定(可选)避免振动移位;
  4. 环境要求:工作温度范围-55℃~+125℃,避免在潮湿、油污、腐蚀性气体环境中使用;
  5. 存储要求:常温干燥环境存储(湿度≤60%),避免阳光直射与机械碰撞。

六、品牌与品质保障

博晨(BOCHEN)作为国内电阻器领域的专业制造商,RM065系列产品符合RoHS环保标准,批量产品出厂前经过阻值一致性检测、功率老化测试、接触电阻验证,不良率控制在0.5%以内。针对小批量定制需求,可提供阻值范围扩展(如3kΩ~7kΩ)、引脚长度定制等服务,满足不同场景的灵活需求。

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