WMSIC Electronic Components

Walsin WR08X471JTL

ModelWR08X471JTL
Package0805
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) WR08X471JTL
Type
WALSIN
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
WR08X471JTL
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.034g
Electronic Component
470Ω
Electronic Component
1
Electronic Component
BM0265427677
Operating Temperature
55℃~+155℃
Operating Voltage
150V
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.

WR08X471JTL 厚膜电阻产品概述

一、产品基本信息

WR08X471JTL是华新科(Walsin) 推出的一款0805封装厚膜贴片电阻,属于通用型被动元件,核心定位为中小功率电路的阻值匹配、限流/分压等基础应用。华新科作为全球被动元件领域的知名厂商,其电阻产品以稳定性高、成本可控、批次一致性好为核心优势,这款型号也延续了品牌的量产适配性。

二、核心性能参数解析

这款电阻的参数设计贴合多数常规电路需求,关键指标可直接对应实际应用场景:

  1. 阻值与精度:阻值为470Ω(型号中“471”代表47×10¹Ω),精度±5%(代码“J”对应)—— 适合非精密电路(如偏置电路、LED限流),无需更高精度时性价比突出;
  2. 功率与电压:额定功率125mW,适配0805封装的典型功率负载;额定工作电压150V—— 需注意实际电压峰值不能超过该值,避免击穿;
  3. 温度特性:温度系数±100ppm/℃(温度每变1℃,阻值漂移±0.047Ω),工作温度范围-55℃~+155℃—— 宽温覆盖工业/汽车等恶劣环境,阻值漂移处于可接受范围;
  4. 长期稳定性:厚膜工艺决定了其抗硫化、抗老化性能优于部分薄膜电阻,适合长期运行的设备。

三、封装与工艺特点

  1. 0805封装:英制尺寸0.08″×0.05″(约2.0mm×1.2mm),贴片式设计兼容主流SMT生产线,能有效节省PCB空间,适配高密度模块(如路由器、手机主板);
  2. 厚膜工艺:采用陶瓷基底+厚膜电阻层结构,通过丝网印刷、高温烧结制成—— 相比薄膜电阻成本低30%左右,且电阻膜附着力强,适合批量生产;
  3. 华新科工艺细节:电阻膜均匀性控制精度达±0.5%,批次间阻值差异小,可降低电路调试难度。

四、典型应用场景

结合参数特性,这款电阻主要适配以下场景:

  1. 消费电子:手机/平板的电源分压、LED指示灯限流、音频电路RC滤波;
  2. 工业控制:PLC输入输出接口、传感器信号调理电路(宽温应对现场高低温);
  3. 通信模块:路由器/交换机的信号衰减电阻、偏置电路(0805封装适配高密度布局);
  4. 汽车辅助电路:车载音响、仪表盘的小信号电路(若需汽车级认证,需确认具体型号后缀)。

五、选型与使用注意事项

  1. 功率降额:实际工作功率建议不超过100mW(额定值80%),125℃高温环境下需降至70mW,避免过热导致阻值漂移;
  2. 电压限制:电路峰值电压≤150V,若需更高电压(如200V以上),需切换更高额定电压型号;
  3. 精度匹配:精密测量电路(如±1%需求)不适用,需选“F”精度(±1%)或“B”精度(±0.1%)型号;
  4. 焊接规范:SMT峰值温度≤260℃,持续时间≤10秒,避免热冲击导致陶瓷基底开裂;
  5. 存储条件:温度-40℃~+60℃、湿度≤85%,避免受潮影响焊接性能。

六、总结

WR08X471JTL是一款高性价比通用厚膜电阻,覆盖多数中小功率电路的基础需求,宽温特性、稳定性能及0805封装适配性,使其成为消费电子、工业控制等领域的量产首选。若需更高精度或功率,可参考华新科同系列的“F”精度或0805功率升级型号(如1/4W)。

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