WMSIC Electronic Components

Walsin WR04X5101FTL

ModelWR04X5101FTL
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) WR04X5101FTL
Type
WALSIN
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
WR04X5101FTL
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.012g
Electronic Component
5.1kΩ
Electronic Component
10
Electronic Component
BM0259011978
Operating Temperature
55℃~+155℃
Operating Voltage
50V
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.

WR04X5101FTL 片式厚膜电阻产品概述

WR04X5101FTL是华新科(Walsin)推出的一款0402封装厚膜片式电阻,针对高密度、低功耗电路设计优化,具备稳定的电气性能与宽环境适应性,广泛应用于消费电子、物联网终端等领域。

一、产品基本定位

该电阻属于华新科常规片式电阻系列中的精密型产品,采用厚膜工艺制造,兼顾成本与可靠性。0402封装(英制尺寸,对应公制1005)体积仅1.0mm×0.5mm,可大幅减少PCB占用面积,是替代传统插件电阻、适配小型化设备的理想选择。

二、核心技术参数详解

WR04X5101FTL的关键参数可满足多数通用电路的设计需求,具体如下:

  • 阻值与精度:标称阻值5.1kΩ(编码“5101”,即51×10¹=5100Ω),精度±1%,可满足信号调理、分压电路的基本精密要求;
  • 功率等级:额定功率62.5mW(即1/16W),适配低功耗设计场景,避免功率冗余导致的体积浪费;
  • 电气安全:最大工作电压50V,可稳定承受直流或交流电压(有效值),避免过压击穿;
  • 温度特性:温度系数±100ppm/℃,表示温度每变化1℃,阻值变化±0.01%,在宽温环境下仍能保持阻值稳定;
  • 环境范围:工作温度-55℃~+155℃,覆盖工业级低温与高温环境,适应复杂应用场景。

三、设计优势与特点

  1. 小体积高密度集成:0402封装仅为1.0mm×0.5mm,可大幅减少PCB占用面积,适合智能手机、可穿戴设备等对空间要求严格的产品;
  2. 厚膜工艺可靠性:厚膜电阻采用丝网印刷+烧结工艺,相比薄膜电阻成本更低,且耐过流、耐冲击能力更强,长期工作稳定性优异;
  3. 宽温适应性:-55℃~+155℃的工作范围,可满足工业控制、车载辅助电路(部分场景)的环境要求,无需额外增加温控措施;
  4. 低功耗适配性:62.5mW额定功率与50V工作电压的组合,完美匹配物联网终端、传感器节点等低功耗设备的电源与信号电路;
  5. 焊接兼容性:符合回流焊、波峰焊标准,焊接过程中阻值漂移极小,适配自动化贴片生产流程。

四、典型应用场景

WR04X5101FTL因体积小、性能稳定,广泛应用于以下领域:

  1. 消费电子:智能手机、平板电脑的电源管理模块(如分压采样、偏置电路)、音频信号调理电路;
  2. 物联网终端:智能家居传感器(温湿度、气体传感器)的信号放大偏置、电池电压检测电路;
  3. 工业控制:小型PLC的输入输出接口限流、模拟量采集电路的分压电阻;
  4. 汽车电子(辅助电路):车载USB充电模块、仪表盘背光控制电路(需结合汽车级认证,本产品参数可支持部分场景);
  5. 通信设备:小型路由器、无线AP的射频前端辅助电路(如滤波分压、匹配网络)。

五、可靠性与环境测试

华新科对该产品进行了多项可靠性测试,确保满足实际应用需求:

  • 温湿度循环:在-40℃~+85℃、95%RH环境下循环100次,阻值变化率≤0.5%;
  • 振动冲击:符合IEC 60068-2-6振动测试(10~2000Hz,加速度2g)与IEC 60068-2-27冲击测试(15g,11ms),无开路或性能下降;
  • 过载测试:施加2倍额定功率(125mW)100小时后,阻值变化率≤1%,恢复额定功率后性能稳定。

六、选型与使用注意事项

为保证产品性能与使用寿命,使用时需注意:

  1. 功率降额:实际工作功率建议不超过额定功率的70%(即≤43.75mW),避免过热导致阻值漂移;
  2. 电压限制:严禁超过50V工作电压,防止绝缘层击穿;
  3. 焊接工艺:回流焊峰值温度控制在245℃±5℃,时间不超过10秒;波峰焊温度≤260℃,时间≤3秒;
  4. 存储条件:未焊接产品应存储在25℃±5℃、湿度≤60%的环境中,避免受潮影响焊接效果。

WR04X5101FTL凭借小体积、高可靠性与宽适应性,成为众多电子设备设计中的主流选择,可有效平衡性能与成本,满足不同场景的电路需求。

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