WMSIC Electronic Components

Walsin WR06X472JTL

ModelWR06X472JTL
Package0603
Brand(Walsin)
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
(Walsin) WR06X472JTL
Type
WALSIN
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
WR06X472JTL
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.035g
Electronic Component
4.7kΩ
Electronic Component
1
Electronic Component
BM0265965187
Operating Temperature
55℃~+155℃
Operating Voltage
75V
Electronic Component
±100ppm/℃
Resistor Type
Resistor

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

WR06X472JTL 厚膜电阻产品概述

华新科(Walsin)作为全球领先的被动元件制造商,其WR06X系列贴片厚膜电阻以高性价比、稳定可靠的特性广泛应用于各类电子电路。其中WR06X472JTL是该系列中针对4.7kΩ阻值、常规精度需求设计的典型型号,以下从多维度展开产品概述。

一、产品基本定位与品牌背景

WR06X472JTL属于华新科WR06X家族的常规精度厚膜电阻,核心定位为中小功率、高密度PCB布局的通用型电阻。华新科在厚膜电阻领域拥有30余年工艺积累,其产品覆盖消费电子、工业控制、汽车电子等多个领域,WR系列以稳定的性能和良好的兼容性成为市场主流选择之一。

二、核心性能参数详解

该型号的关键参数直接决定了其适用场景,具体如下:

  1. 阻值与精度:标称阻值4.7kΩ(采用3位代码472表示,即47×10²=4.7kΩ),精度±5%——满足多数民用电子、工业常规电路的阻值偏差要求,无需高精度匹配场景即可稳定工作。
  2. 功率与电压:额定功率100mW(0.1W),最大工作电压75V——适用于小信号电路(如传感器输出、音频滤波),避免大电流/高电压下过载。
  3. 温度特性:温度系数(TCR)±100ppm/℃——意味着每变化1℃,阻值变化0.01%。在-55℃~+155℃的宽温范围内,最大阻值变化约为±2.1%(温度变化210℃),结合初始精度±5%,总偏差可控在±7.1%以内,适合温变环境下的稳定工作。
  4. 工作温度范围:-55℃+155℃——覆盖工业级(-40+85℃)及汽车级部分低温场景(-55℃为汽车电子常见低温下限),环境适应性较强。

三、封装与物理特性

WR06X472JTL采用0603贴片封装(英制命名,对应公制1608,即尺寸约1.6mm×0.8mm),是当前高密度PCB设计中最常用的小封装之一,具体特性包括:

  • 尺寸参数:长1.6±0.15mm,宽0.8±0.15mm,厚0.45±0.05mm,焊盘间距约0.5mm,适配常规0603焊盘设计。
  • 引脚与工艺:采用陶瓷基片厚膜印刷工艺,引脚端镀无铅锡(Sn/Pb或纯Sn,符合RoHS 2.0及REACH环保标准),回流焊兼容性良好(峰值温度260℃,回流时间≤10s)。
  • 机械强度:厚膜工艺结合陶瓷基片,抗机械冲击(跌落、振动)性能优于薄膜电阻,适合便携设备等易受振动的场景。

四、典型应用场景

基于参数特性,WR06X472JTL适用于以下常见场景:

  1. 消费电子:手机、平板、智能穿戴的信号滤波电路(如耳机接口分压、屏幕背光控制)、小型电源的分压电阻。
  2. 工业控制:PLC输入模块的信号调理电阻、温度传感器(如PT100)的信号放大反馈电阻、小型电机驱动的限流电阻。
  3. 汽车电子:仪表盘背光亮度调节电路、车载USB接口的过流保护分压电阻(需确认汽车级认证,华新科部分WR系列支持AEC-Q200)。
  4. 通信设备:路由器、交换机的数字电路匹配电阻、WiFi模块的信号滤波电阻。

五、可靠性与环境适应性

华新科对该型号的可靠性测试覆盖行业标准,主要表现为:

  • 长期稳定性:在额定功率、25℃环境下连续工作10000小时,阻值变化≤0.5%,满足多数设备的生命周期需求。
  • 环境测试:85℃/85%RH湿度环境下1000小时测试,阻值变化≤1%;温度循环测试(-55~+155℃,循环100次)后性能无明显衰减。
  • 抗冲击性:符合JESD22-B104振动测试标准(10~2000Hz,加速度2g),跌落测试(1.5m跌落至硬地面)后无开路/短路。

六、选型与使用注意事项

为确保产品性能稳定,需注意以下要点:

  1. 功率限制:实际电路中功耗需低于100mW(如电流I≤√(P/R)=√(0.1/4700)≈4.6mA),避免过载导致阻值漂移或烧毁。
  2. 电压匹配:最大工作电压75V,不得超过额定值(如分压电路中需确认分压后的电压不超75V)。
  3. 封装适配:PCB焊盘尺寸需符合0603封装标准(焊盘长1.01.2mm,宽0.60.8mm),避免焊盘过大导致焊接不良。
  4. 精度升级:若需更高精度(如±1%),可选择同系列型号WR06X472JT的高精度版本(需确认具体型号后缀)。

综上,WR06X472JTL作为华新科WR06X系列的通用型厚膜电阻,以平衡的性能、紧凑的封装和可靠的稳定性,成为电子设计中4.7kΩ阻值、常规精度需求的优选方案之一。

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