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Walsin WR04X472JTL
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- (Walsin) WR04X472JTL
- Type
- WALSIN
- Minimum package
- 10000 圆盘
Technical parameters
- Power
- 62.5mW
- Electronic Component
- Electronic Component
- Electronic Component
- (WALSIN)
- Electronic Component
- WR04X472JTL
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- SMD Resistor
- Electronic Component
- ±5%
- Electronic Component
- 0.012g
- Electronic Component
- 4.7kΩ
- Electronic Component
- 10
- Electronic Component
- BM0259011976
- 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.
WR04X472JTL 片式厚膜电阻产品概述
一、产品基本定位
WR04X472JTL是华新科（Walsin）推出的0402封装通用型片式厚膜电阻，专为高密度贴装设计，兼顾成本可控与电气性能稳定性，适用于消费电子、工业控制、通信设备等多领域的小信号电路、滤波网络及偏置电路场景。
二、核心电气参数深度解析
该电阻的关键参数明确了应用边界与性能表现，具体如下：
- 阻值与精度：标称阻值4.7kΩ（代码“472”表示47×10²Ω），精度等级±5%（代码“J”），无需额外校准即可适配多数通用电路的偏差要求；
- 功率与电压：额定功率62.5mW，额定工作电压50V，适用于低功耗小信号场景（实际使用需注意功率/电压降叠加限制，避免超额定值）；
- 温度特性：温度系数（TCR）±100ppm/℃，即环境温度每变化1℃，阻值变化约±0.01%，在-55℃~+155℃宽温范围内保持稳定；
- 工艺类型：采用厚膜工艺制造（氧化铝陶瓷基底+印刷电阻浆料烧结），兼具成本优势与长期可靠性。
三、封装与贴装适配性
该电阻采用0402封装（英制0.04″×0.02″，公制1005），是小型化电子设备的核心封装之一：
- 尺寸紧凑：贴装 footprint 仅1.0mm×0.5mm，可大幅提升PCB布局密度，适配手机、可穿戴设备等小型产品；
- 贴装兼容：符合SMT自动化贴装标准，支持回流焊、波峰焊工艺，生产效率高；
- 结构稳定：陶瓷基底耐温性好，厚膜电阻层附着力强，抗机械应力与热冲击性能优于部分薄膜电阻。
四、环境适应性与可靠性
WR04X472JTL的设计兼顾宽温与恶劣环境下的稳定性：
- 宽温工作范围：-55℃+155℃，覆盖工业级（-40℃+85℃）与部分汽车电子（-40℃~+125℃）温度需求，极端温度下阻值漂移极小；
- 抗环境干扰：厚膜工艺电阻层致密性好，抗湿度、盐雾性能优于碳膜电阻，适合户外或潮湿环境；
- 长期可靠性：符合IEC 61000-4-2（ESD）、IEC 60068（环境试验）等标准，125℃条件下典型寿命可达10000小时以上。
五、典型应用场景
基于参数与封装特点，该电阻广泛应用于：
- 消费电子：智能手机、蓝牙耳机的音频滤波、电源偏置电路；
- 工业控制：PLC传感器接口、小型电机驱动限流/分压；
- 通信设备：路由器射频前端匹配网络、交换机数字电路上拉/下拉电阻；
- 汽车电子：车载中控、仪表盘低功耗辅助电路（需确认具体车规认证适配性）。
六、品牌与品质保障
华新科作为全球被动元件头部厂商，WR04X472JTL继承其品质体系：
- 一致性管控：每批次阻值偏差、温度系数均符合规格书，减少设计生产波动；
- 供货稳定：完善产能布局满足批量需求，降低供应链风险；
- 环保合规：符合RoHS、REACH指令，适配全球市场准入。
该产品以高性价比、宽温稳定性及小型化优势，成为电子设备中通用电阻的优选之一。
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