WMSIC Electronic Components

Walsin WR04X2000FTL

ModelWR04X2000FTL
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 Date code within 2 years

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
(Walsin) WR04X2000FTL
Type
WALSIN
Unit
Electronic Component
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
WR04X2000FTL
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.012g
Electronic Component
200Ω
Electronic Component
10
Electronic Component
BM0259011969
Operating Temperature
55℃~+155℃
Operating Voltage
50V
Electronic Component
±100ppm/℃

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

华新科WR04X2000FTL厚膜电阻产品概述

华新科(Walsin)WR04X2000FTL是一款专为高密度电路设计的小功率通用厚膜电阻,凭借稳定的电气性能、宽温适应性与0402封装的小型化优势,广泛应用于消费电子、工业控制等领域。以下从核心维度展开详细概述。

一、产品基本定位与品牌背景

该电阻属于华新科常规厚膜电阻系列,核心定位为成本与性能平衡的通用型元件。华新科作为全球被动元件头部厂商,拥有数十年生产经验,其厚膜电阻采用成熟的丝网印刷烧结工艺,品质符合国际电工委员会(IEC)及行业标准,在消费电子、工业控制供应链中具备较高市场认可度。

二、核心参数全解析

1. 电气核心参数

  • 阻值与精度:200Ω±1%,属于工业级通用精度等级,满足大多数模拟电路、数字电路的阻值偏差要求,无需额外校准即可稳定工作;
  • 功率与电压:额定功率62.5mW(即1/16W),最大工作电压50V。实际使用需注意功率-电压匹配:最大允许电流≈17.7mA(由$\sqrt{P/R}$计算),避免过压/过流损坏;
  • 温度系数(TCR):±100ppm/℃,表示温度每变化1℃,阻值变化±0.01%。例如125℃环境下(比常温25℃高100℃),阻值偏差为±1%,与精度等级一致,宽温下性能稳定。

2. 环境与封装参数

  • 工作温度范围:-55℃+155℃,覆盖工业级温度需求(一般工业级为-40125℃),可适应极端环境(如高温车间、低温户外设备);
  • 封装规格:0402封装(英制尺寸,对应公制1005),尺寸为1.0mm×0.5mm×0.3mm,是目前主流小型化封装之一,适合PCB高密度布局。

三、关键性能优势

1. 小型化高集成度

0402封装体积仅为0402(2.0mm×1.0mm)封装的1/4,可显著节省PCB空间,尤其适合智能手机、智能穿戴等便携设备的高密度电路设计。

2. 稳定的电气性能

厚膜工艺带来的阻值稳定性优于碳膜电阻,长期工作下阻值漂移小;±1%精度与±100ppm/℃TCR的组合,可满足信号调理、电源偏置等对阻值稳定性要求较高的场景。

3. 宽温环境适应性

-55~155℃的工作温度范围,可覆盖工业控制、车载辅助电路(如仪表盘背光、传感器接口)等场景,无需额外降额设计即可稳定工作。

4. 环保与可靠性

产品符合RoHS 2.0、REACH等环保标准,无铅无卤;同时具备抗振动(符合IEC 60068-2-6)、抗冲击(符合IEC 60068-2-27)性能,适合 harsh 环境应用。

四、典型应用场景

1. 消费电子领域

  • 智能手机/平板电脑:电源管理IC的分压电阻、射频信号滤波电路的匹配电阻;
  • 智能穿戴设备:智能手表/手环的传感器供电偏置电阻、心率监测电路的信号调理电阻。

2. 工业控制设备

  • 小型PLC:数字输入/输出模块的限流电阻;
  • 传感器接口:温度传感器、压力传感器的信号分压电阻。

3. 汽车电子(辅助场景)

  • 车载娱乐系统:中控屏背光电路的限流电阻;
  • 车身电子:门窗控制模块的信号电阻(工作温度需在-40~125℃范围内)。

4. 通信设备

  • 小型基站:射频前端的匹配电阻;
  • 路由器/交换机:电源模块的采样电阻。

五、使用注意事项

为确保产品可靠性与寿命,使用时需注意以下几点:

  1. 功率降额:建议实际工作功率不超过额定功率的80%(即50mW),避免长期过功率导致阻值漂移或损坏;
  2. 焊接工艺:采用回流焊工艺(推荐温度曲线:预热150180℃,峰值230245℃),避免手工焊接的高温(>300℃)损坏封装;
  3. 温度影响补偿:在155℃高温环境下,阻值偏差可达±1.3%,若电路对阻值精度要求较高,需在设计中预留冗余或校准环节;
  4. 静电防护:厚膜电阻虽抗静电能力较强,但仍需遵循ESD防护规范(如人体静电放电<2kV),避免静电损坏。

综上,华新科WR04X2000FTL是一款性价比突出的小功率厚膜电阻,具备小型化、宽温稳定等特点,可满足大多数通用电路的设计需求,是消费电子、工业控制等领域的优选元件之一。

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