WMSIC Electronic Components

Walsin WR04X3002FTL

ModelWR04X3002FTL
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
(Walsin) WR04X3002FTL
Type
WALSIN
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
WR04X3002FTL
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.012g
Electronic Component
30kΩ
Electronic Component
10
Electronic Component
BM0265277719
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.

WR04X3002FTL 片式厚膜电阻产品概述

一、产品核心身份与定位

WR04X3002FTL是华新科(Walsin) 推出的0402封装厚膜片式电阻,属于高精度小功率系列核心产品。其定位是兼顾“小体积、高精度、宽温稳定”与成本控制,适配高密度PCB布局、低功耗电路的精密阻值控制需求,广泛覆盖消费电子、工业控制、可穿戴设备等多领域场景,是平衡性能与实用性的典型片式电阻方案。

二、基础电气参数详解

该电阻的参数设计围绕“精密控制+环境适配”展开,关键指标如下:

  1. 阻值与精度:标称阻值30kΩ,精度±1%——通过“3002”代码标识(30×10²),符合E96系列高精度阻值规范,能有效避免信号分压、电流检测中的偏差,满足多数精密电路对阻值一致性的要求(如传感器接口的基准电压校准)。
  2. 功率与电压:额定功率62.5mW(即1/16W),最大工作电压50V(直流/交流峰值)——适配小电流场景(30kΩ下50V时电流≈1.67mA),避免功率过载风险,适合低功耗电路的信号调理、电源辅助分压等应用。
  3. 温度系数(TCR):±100ppm/℃——表示环境温度每变化1℃,阻值变化±100ppm(30kΩ下每℃变化±3Ω),结合宽温范围可确保极端温度下的阻值稳定性,避免因温度波动导致电路性能漂移。

三、封装与物理特性

采用0402英制封装(公制尺寸约1.0mm×0.5mm×0.3mm),属于超小型片式封装,核心优势显著:

  • 高密度布局:适合智能手机、可穿戴设备等对PCB空间要求苛刻的产品,可大幅提升单位面积内的元件集成度(如智能手环的传感器模块);
  • 厚膜工艺平衡:相较于薄膜电阻成本降低30%以上,相较于碳膜电阻精度提升2倍、稳定性更强,同时具备较强的抗冲击、抗振动能力,适合批量SMT贴装生产;
  • 环保合规:符合RoHS 2.0及REACH标准,无铅焊接兼容,满足全球市场准入要求(如欧盟、北美电子设备的环保法规)。

四、典型应用场景

WR04X3002FTL的参数特性使其适配多类场景,核心应用方向包括:

  1. 消费电子终端:智能手机、平板的电源管理模块(信号分压、电流检测)、音频电路(±1%精度满足信号保真需求);
  2. 可穿戴设备:智能手环、手表的传感器接口(低功耗+小封装适配设备小型化)、低功耗蓝牙模块的信号滤波;
  3. 工业控制节点:小型PLC、户外传感器节点的基准电压分压、信号调理电路(宽温-55~155℃适配高温车间/户外环境);
  4. 通信设备:小型基站、路由器的射频信号放大电路(高密度布局需求)、电源模块的辅助分压;
  5. 汽车电子辅助电路:部分低功率车载电路(如仪表盘传感器接口,需宽温稳定性应对车内温度波动)。

五、可靠性与环境适应性

华新科对该产品的品控覆盖全生命周期,可靠性表现突出:

  • 宽温稳定性:工作温度范围-55℃+155℃,远超消费级(070℃)要求,满足工业级环境的极端温度挑战;
  • 长期可靠性:额定条件下1000小时老化测试,阻值漂移≤0.5%,抗潮湿、抗盐雾性能符合IEC 60068-2-11标准(如沿海地区户外设备的抗腐蚀需求);
  • 机械性能:耐焊接热冲击(260℃回流焊30秒无损坏),抗振动(10~2000Hz,加速度2g)符合IEC 60068-2-6标准,适合批量贴装与复杂工况使用;
  • 全检品控:出厂前100%检测阻值、精度、功率、TCR等关键参数,确保每批次一致性(良率≥99.9%)。

六、品牌与品质背书

华新科(Walsin)是全球被动元件领域的领先厂商,拥有超过30年的片式电阻生产经验,其产品广泛应用于苹果、华为、三星等知名厂商。WR04X3002FTL依托华新科成熟的厚膜工艺与品控体系,符合IEC 60115-1、JIS C 5201等国际标准,是高性价比、高可靠性的片式电阻选择,可有效降低终端产品的设计与维护成本。

该产品凭借“小封装+高精度+宽温稳定”的综合优势,已成为多领域电子设备的常用电阻方案,适配从消费级到工业级的多样化需求。

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