WMSIC Electronic Components

Walsin WR02X102JAL

ModelWR02X102JAL
Package0201
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) WR02X102JAL
Type
WALSIN
Minimum package
15000 圆盘

Technical parameters

Power
50mW
Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
WR02X102JAL
Electronic Component
1
Package
0201
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.008g
Electronic Component
1kΩ
Electronic Component
10
Electronic Component
BM0259011974
Operating Temperature
55℃~+125℃
Operating Voltage
25V
Electronic Component
±200ppm/℃
Resistor Type
Resistor

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

WR02X102JAL 片式厚膜电阻产品概述

一、产品基本信息

WR02X102JAL是华新科(Walsin) 推出的一款0201封装片式厚膜电阻,属于常规精度厚膜电阻系列。该产品针对小型化电子电路设计优化,体积紧凑、性能稳定,广泛应用于消费电子、工业控制、物联网等领域,是1kΩ阻值、±5%精度需求场景的经典选型。

二、核心参数规格

WR02X102JAL的核心参数符合厚膜电阻的常规设计规范,具体如下:

  • 阻值:1kΩ(标识代码“102”,对应E24系列阻值,满足常规电路的分压、限流需求);
  • 精度:±5%(采用“J”档精度等级,是电子电路中应用最广泛的精度标准);
  • 额定功率:50mW(即1/20W,为0201封装电阻的典型额定功率,需注意实际工作功率不超过此值);
  • 最大工作电压:25V(需结合功率限制使用,实际工作电压需满足“功率=电压²/阻值≤50mW”);
  • 温度系数(TC):±200ppm/℃(厚膜电阻的常规温度系数范围,确保极端温度下阻值漂移可控);
  • 工作温度范围:-55℃至+125℃(覆盖工业级及汽车电子的宽温需求,适应恶劣环境)。

三、封装与物理特性

该产品采用0201封装(英制尺寸:0.02英寸×0.01英寸,公制尺寸:0.6mm×0.3mm),是当前电子设备小型化的核心封装之一:

  • 体积紧凑,可显著降低PCB板面积,提升电路集成度;
  • 兼容常规SMT(表面贴装技术)生产线,支持高速贴装,适合大规模量产;
  • 焊盘设计符合IPC标准,焊接可靠性高,可有效避免虚焊、假焊问题。

四、性能特点

  1. 小型化集成优势:0201封装体积仅为常规0402封装的1/4左右,可在有限空间内实现更多电路功能,适配智能手机、智能穿戴等便携设备;
  2. 宽温稳定性:-55℃至+125℃的工作范围,结合±200ppm/℃的温度系数,在高低温循环环境下阻值漂移小,满足工业控制、车载辅助电路的可靠性需求;
  3. 成本与性能平衡:采用厚膜印刷工艺,阻值一致性好、生产成本适中,适合中低端电子设备的批量应用;
  4. 可靠性保障:通过华新科常规环境测试(如温度循环、湿度老化、振动测试等),可长期稳定工作在常规应用场景;
  5. 功率与电压的匹配性:额定功率50mW虽不高,但适配低功耗电路(如IoT节点、传感器模块)的能量需求,避免过功率损坏。

五、典型应用场景

WR02X102JAL因体积小、成本低、性能稳定,广泛应用于以下场景:

  1. 消费电子:智能手机、平板电脑的电源滤波电路、信号分压电路;
  2. 智能穿戴:智能手表、手环的传感器信号调理电路(如心率传感器、加速度传感器的辅助电阻);
  3. 工业控制:小型PLC、传感器模块的辅助电路(如温度传感器的分压网络);
  4. 物联网设备:低功耗IoT节点的信号处理电路(如蓝牙模块的偏置电阻);
  5. 汽车电子:车载小型控制器(如座椅调节、氛围灯控制)的辅助电路(宽温范围适配车载环境)。

六、选型与使用注意事项

为确保产品可靠性,使用时需注意以下要点:

  1. 功率限制:实际工作功率需≤50mW,若电压过高(如25V),功率会达到625mW(远超过额定值),需根据“电压≤√(功率×阻值)”计算实际工作电压(本产品建议≤7V);
  2. 温度环境:在125℃高温环境下,需避免长期工作在额定功率下,可适当降低功率使用;
  3. 焊接工艺:采用回流焊时,需遵循华新科推荐的温度曲线(峰值温度≤245℃,时间≤10秒),避免焊接温度过高损坏电阻;
  4. 静电防护:虽厚膜电阻抗静电能力较强,但仍需在ESD防护环境下操作,避免静电损坏;
  5. 精度需求:若需更高精度(如±1%),需选择其他精度等级的电阻(如华新科的精密厚膜电阻系列)。

七、总结

WR02X102JAL作为华新科经典0201封装厚膜电阻,凭借小型化、宽温稳定、成本适中的特点,成为常规电子电路中1kΩ阻值、±5%精度需求的理想选型。其适配的多场景应用,可有效满足消费电子、工业控制等领域的小型化设计需求,是电子工程师的常用元件之一。

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