WMSIC Electronic Components

Walsin WR04X0000FTL

ModelWR04X0000FTL
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) WR04X0000FTL
Type
WALSIN
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
WR04X0000FTL
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.012g
Electronic Component
0Ω
Electronic Component
10
Electronic Component
BM0227299039
Operating Temperature
55℃~+155℃
Operating Voltage
50V
Electronic Component
200ppm/℃~+400ppm/℃
Resistor Type
Resistor

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

华新科WR04X0000FTL片式0Ω厚膜电阻产品概述

华新科(Walsin)WR04X0000FTL是一款针对高密度电路设计的0402封装(公制1005)0Ω厚膜片式电阻,核心功能为电路跳接、信号路径短接或高频阻抗匹配,兼具小型化、高一致性与宽环境适应性,适用于消费电子、通信设备、工业控制等多领域量产场景。

一、产品核心定位与封装规格

WR04X0000FTL采用行业标准0402封装(尺寸:长0.04英寸×宽0.02英寸,公制1005),属于厚膜电阻技术路线——通过在氧化铝陶瓷基底上印刷厚膜电阻浆料、高温烧结成型,再制作银电极与端盖,实现小型化与稳定性能。
该产品本质为跳接电阻(俗称“零欧电阻”),无电阻值压降,主要替代传统导线或跳线,解决高密度PCB布线困难、机械连接可靠性低等问题,同时具备封装一致性优于导线的优势(批量生产中尺寸偏差极小)。

二、电气性能参数详解

WR04X0000FTL的电气参数针对0Ω电阻的应用场景优化,关键指标清晰明确:

  • 阻值与精度:标称阻值0Ω,精度±1%——虽为0Ω,但精度指标反映了电阻值的离散性(实际阻值极小,可忽略),保证批量应用中电路性能一致性;
  • 额定功率:62.5mW(即1/16W)——匹配0402封装的功率容量,实际应用需注意功率降额(如高温环境下建议降额至50%以内);
  • 工作电压:50V——指电阻两端允许施加的最大直流/交流电压(非压降,0Ω电阻压降可忽略);
  • 温度系数(TCR):-200ppm/℃~+400ppm/℃——厚膜电阻的典型TCR范围,反映温度变化对阻值的影响(因阻值极小,实际应用中可忽略)。

三、环境适应性与可靠性

WR04X0000FTL的环境参数满足多数工业与消费电子场景需求:

  • 工作温度范围:-55℃~+155℃——覆盖低温(如车载低温环境)与高温(如电源模块内部)场景,符合IEC 60068可靠性标准;
  • 耐工艺性能:支持回流焊、波峰焊等常规SMT工艺,焊接后无开裂风险(需遵循推荐焊接曲线:峰值温度240~250℃,时间≤30s);
  • 长期可靠性:通过华新科内部可靠性测试(高温存储、温度循环、湿度偏压等),MTBF(平均无故障时间)满足行业量产要求,适用于长期运行的电子设备。

四、典型应用场景

WR04X0000FTL作为0Ω电阻,主要应用于以下场景:

  1. 高密度PCB跳接:替代导线或跳线,简化手机主板、智能穿戴设备等小尺寸PCB的布线;
  2. 高频电路匹配:在射频电路中,0Ω电阻的封装一致性优于导线,可稳定信号路径的阻抗匹配(避免导线阻抗波动影响信号质量);
  3. 电源回路短接:如电池保护电路、DC-DC模块内部的短接路径,替代铜箔避免过流熔断风险;
  4. ESD防护支路:部分设计中,0Ω电阻作为ESD防护器件的串联元件,兼顾防护效果与电路稳定性;
  5. 模块内部跨接:如传感器模块、通信模块内部的跨接,提升机械可靠性(避免导线焊接脱落)。

五、选型与使用注意事项

  1. 功率降额:实际工作功率需低于额定功率62.5mW,高温(>100℃)环境下建议降额至31mW以内;
  2. 焊接工艺:严格遵循0402封装的回流焊曲线,避免焊接温度过高导致陶瓷基底开裂或电极氧化;
  3. 机械应力:0402封装尺寸小,需避免PCB弯曲、外力撞击,防止电极脱落;
  4. 存储条件:存储于温度-20℃~+40℃、湿度≤60%的环境,开封后建议1个月内使用完毕(避免电极氧化影响焊接性)。

华新科WR04X0000FTL凭借小型化、高一致性与宽适应性,成为高密度电子电路中跳接、短接的理想选择,广泛适配消费电子、通信、工业等领域的量产需求。

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