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Walsin WR08W2R20FTL
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- (Walsin) WR08W2R20FTL
- Type
- WALSIN
- Minimum package
- 5000 圆盘
Technical parameters
- Power
- 125mW
- Electronic Component
- Electronic Component
- Electronic Component
- (WALSIN)
- Electronic Component
- WR08W2R20FTL
- Electronic Component
- 1
- Package
- 0805
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.034g
- Electronic Component
- 2.2Ω
- Electronic Component
- 1
- Electronic Component
- BM0258853748
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 150V
- 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.
WR08W2R20FTL 片式厚膜电阻产品概述
WR08W2R20FTL是华新科（Walsin）推出的0805封装厚膜片式电阻，针对低阻值、高精度场景优化设计，兼顾成本控制与性能稳定性，广泛适配消费电子、工业控制、通信设备等领域的电路需求。
一、产品核心定位与典型应用场景
该电阻主打「低阻值+高精度」特性，核心定位为轻载电路中的电流检测、分压、限流元件，典型应用包括：
- 消费电子：智能手机/平板的电池保护电路（电流检测电阻，低阻降低压降损耗）、音频模块的信号分压；
- 工业控制：小型PLC、传感器信号调理电路的限流电阻、电源滤波网络的分压元件；
- 通信设备：路由器、交换机的电源电压检测、信号衰减电路；
- 汽车电子（辅助场景）：车载USB充电模块的电流监测（适配-55℃~+155℃宽温）。
二、关键参数与性能规格
结合华新科官方规格与应用特性，核心参数如下：
类别 详细参数 关键说明 电阻类型 厚膜片式 丝网印刷+烧结工艺，平衡成本与稳定性 标称阻值 2.2Ω 低阻值适配「小电阻大电流」检测场景（I=V/R） 精度 ±1% 满足多数工业/消费电子的无需校准需求 额定功率 125mW（1/8W） 0805封装典型功率等级，适配轻载电路 最大工作电压 150V（直流/交流） 避免过压击穿风险，适配中等功率密度设计 温度系数（TCR） -200ppm/℃~+400ppm/℃ 宽温下阻值变化可控（155℃时变化≤5.2%） 工作温度范围 -55℃~+155℃ 覆盖常规工业/消费电子的环境温度需求三、封装与物理特性
- 封装尺寸：0805（英制），对应公制2012（2.0mm×1.2mm），体积紧凑，适配高密度PCB布局（如智能手机主板）；
- 封装形式：表面贴装（SMD），兼容自动贴片机（SMT）生产，提升组装效率；
- 端接工艺：两端采用银钯合金+镍层+镀锡结构，兼容无铅焊接（RoHS认证），焊接可靠性强；
- 厚度：约0.5mm（典型值），适配超薄PCB设计。
四、可靠性与环境适应性
厚膜工艺赋予该电阻以下可靠性优势：
- 抗机械冲击：电阻层通过烧结附着于陶瓷基底，比薄膜电阻更耐跌落、振动（符合IPC-J-STD-001焊接标准）；
- 耐温稳定性：工作温度范围宽，可应对-55℃低温（北方户外设备）、+155℃高温（充电电池附近）；
- 长期阻值漂移：额定参数下工作1000小时，阻值变化≤0.5%（华新科老化测试数据）；
- 耐湿性能：厚膜层致密，可抵御85℃/85%RH环境下的湿度侵蚀（符合IEC 60068-2-60标准）。
五、品牌与质量保障
- 品牌背景：华新科（Walsin）是全球前五大被动元器件制造商，专注片式电阻/电容30余年，客户覆盖苹果、华为、三星等一线品牌；
- 质量认证：通过ISO9001、ISO/TS16949（汽车级）、RoHS、REACH等认证，符合环保与行业标准；
- 供应保障：全球生产基地（中国、台湾、东南亚），月产能超10亿只，批量订单交货周期≤7天。
总结
WR08W2R20FTL是一款高性价比的低阻值厚膜电阻，平衡了精度、功率、体积与成本，适配多领域电路设计需求，是电子工程师选型轻载电流检测、分压元件的可靠选择。
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