WMSIC Electronic Components

Walsin WR04X000PTL

ModelWR04X000PTL
Package0402
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) WR04X000PTL
Type
WALSIN
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
WR04X000PTL
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
0.012g
Electronic Component
0Ω
Electronic Component
10
Electronic Component
BM0264549888
Operating Temperature
55℃~+155℃
Operating Voltage
50V
Electronic Component
200ppm/℃~+400ppm/℃
Resistor Type
Resistor
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.

华新科WR04X000PTL厚膜电阻产品概述

一、产品核心定位与身份标识

华新科(Walsin)推出的WR04X000PTL是一款0402封装厚膜0Ω贴片电阻,属于小型化电阻元件范畴,主要用于替代传统跳线、实现电路低阻路径连接或辅助小电流检测等场景。作为华新科电阻产品线中的经典小型化型号,该产品兼顾成本优势与工业级可靠性,适配消费电子、工业控制、汽车电子(部分场景)等多领域的高密度PCB设计需求。

二、关键参数与性能解析

WR04X000PTL的核心参数围绕“小型化、低阻、宽温适配”展开,具体解析如下:

  1. 阻值特性:标称阻值0Ω(实际为极低碳阻,典型值趋近于0),主要替代电路中的导线或跳线,避免传统跳线焊接脱落、EMI干扰等问题;
  2. 功率与电压额定值:额定功率62.5mW,额定工作电压50V——因阻值接近0Ω,实际功耗由电路电流决定(P=I²R),该额定值足以覆盖多数低电流场景;
  3. 温度系数(TCR):-200ppm/℃~+400ppm/℃,虽范围略宽,但因阻值本身趋近于0,温漂对电路参数的影响可忽略;
  4. 工作温度范围:-55℃+155℃,覆盖工业级(-40℃+85℃)及部分高温场景,适配户外设备、工业控制器等严苛环境。

三、封装与工艺特点

  1. 0402封装:英制尺寸(约1.0mm×0.5mm×0.3mm),是小型化PCB设计的常用封装,能提升布局密度,适配手机、智能穿戴、小型传感器模块等紧凑型产品;
  2. 厚膜工艺:采用陶瓷基片+丝网印刷电阻浆料+高温烧结工艺,兼具成本优势与稳定性——抗机械应力、抗潮湿能力优于薄膜电阻,适合批量SMT贴装;
  3. 贴片式设计:两端电极适配标准回流焊工艺,无需手工焊接,兼容自动化生产,降低制造成本与人工误差。

四、典型应用场景与优势

4.1 核心应用场景

  • 电路跳线替代:在PCB设计中替代导线/跳线,简化布局(无需钻孔)、减少焊接脱落风险,同时降低EMI干扰;
  • 低阻路径连接:用于模块间信号/电源的低阻传输,如电源分配网络(PDN)的过孔替代、高速信号路径连接;
  • 小电流检测辅助:配合运放或电流检测芯片,实现μA级至mA级小电流检测(利用极低阻特性放大微弱电压信号)。

4.2 产品优势

  • 小型化高集成:0402封装比0603封装节省约50%面积,适配高密度PCB;
  • 宽温可靠:-55℃~+155℃覆盖工业环境需求,满足户外设备、车载传感器等场景;
  • 成本可控:厚膜工艺降低制造成本,华新科批量生产保障供应稳定;
  • 低功耗适配:62.5mW功率与50V电压,覆盖多数低功耗场景,无需额外降额设计。

五、环境适应性与可靠性验证

华新科对该产品完成多项可靠性测试:

  • 温度循环测试:-55℃~+155℃循环1000次,阻值变化率≤±0.1%;
  • 湿度测试:85℃/85%RH环境放置1000小时,阻值无明显漂移;
  • 机械应力测试:承受2mm PCB弯曲时,电极无脱落、阻值无变化。

产品符合RoHS环保标准,适配全球市场合规要求,长期可靠性经严苛环境验证。

综上,WR04X000PTL是一款兼具小型化、可靠性与成本优势的厚膜0Ω电阻,是高密度PCB设计中替代跳线、实现低阻连接的理想选择。

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