WMSIC Electronic Components

UNI-ROYAL 0402WGF2000TCE

Model0402WGF2000TCE
Package0402
BrandUNI-ROYAL
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
UNI-ROYAL 0402WGF2000TCE
Type
UNI-ROYAL
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0402WGF2000TCE
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
200Ω
Electronic Component
10
Electronic Component
BM0257242450
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.

0402WGF2000TCE 产品概述

一、性能要点

0402WGF2000TCE 是 UNI-ROYAL(厚声)系列的贴片厚膜电阻,阻值 200Ω,精度 ±1%,额定功率 62.5mW,最大工作电压 50V。器件采用 0402 封装(约 1.0mm × 0.5mm),温度系数(TCR)±100ppm/℃,工作温度范围 -55℃ 至 +155℃。该型号以小尺寸、高密度装配能力与良好成本效益,适合空间受限且对精度有较高要求的产品。

二、电气与热参数

  • 阻值:200Ω(±1%)
  • 额定功率:62.5 mW(常见额定条件下,通常以 Ta=70℃ 为基准)
  • 最大工作电压:50 V(请按实际电路电压裕量设计)
  • 温度系数:±100 ppm/℃
  • 工作温度范围:-55℃ ~ +155℃

示例温漂说明:TCR 为 ±100 ppm/℃,即温度每变化 1℃,阻值变化约 0.01%。例如从 25℃ 上升到 125℃(ΔT=100℃),阻值约变化 1%,与器件的初始 ±1% 公差叠加时,须考虑最坏情况的累计误差。

电热管理提示:0402 尺寸体积小,散热能力受限。常见规范为在室温(或 Ta=70℃)条件下给出额定功率,并随环境温度上升而线性降额直至上限温度。设计时应考虑基板散热、附近器件热源以及实际工作温度以避免过载。

三、机械与材料

  • 封装:0402(1005 métrique,约 1.0 × 0.5 mm)
  • 制程:厚膜(厚膜电阻工艺具有良好的可制造性和成本优势)
  • 引脚终端:可直接适配 SMT 回流焊接工艺

该器件尺寸小,适合高密度 PCB 布局。安装时注意避免对焊盘或电阻本体施加过大机械力,防止裂纹或端接脱落。

四、使用建议与注意事项

  • 焊接兼容性:兼容常见无铅回流焊工艺。为保证可靠性,建议遵循供应商提供的回流曲线并控制峰值温度与时间。
  • 降额设计:在靠近高温环境或靠近大功率器件布局时,应对额定功率进行降额处理。若工作温度接近上限,应通过扩大焊盘、改善散热或降低通过功率来保证长期稳定性。
  • 温漂与配对:对于对温度稳定性敏感的电路(如精密分压、滤波、测量回路),需考虑 TCR 的影响,可通过阻值配对或选用温度系数更低的型号来优化。
  • 机械与清洗:推荐在 PCB 装配与清洗过程中避免强力浸泡、超声清洗或过度弯曲板体,以防应力导致电阻失效。
  • 存储:建议干燥、常温环境存放,避免长时间潮湿或暴晒,以维持焊接与终端质量。

五、典型应用

  • 移动与便携设备的限流、分压和终端匹配
  • 消费类电子(耳机、手持设备)与可穿戴设备
  • 工业控制与传感器前端(要求小体积与较好稳定性)
  • 通信设备与射频前端的偏置与匹配(在允许功率范围内)

六、订购与包装信息

0402WGF2000TCE 常见为 SMT 卷带(tape-and-reel)包装,适配自动贴片机使用。具体卷带尺寸、每盘数量及最低订购量请按供应商报价单或数据表确认。若有特殊包装或字符批号要求,可与销售工程师协商。

七、可靠性与品质保证

UNI-ROYAL(厚声)系列产品通过常规环境与电气应力测试,适合商业与工业级应用。推荐在产品设计阶段获取并参照厂方完整数据手册与可靠性报告,以便进行 IPC 或客户特定的认证试验。对关键应用可要求样品进行温升、寿命和热循环等验证试验以确保长期稳定性。

如需更详尽的电气特性曲线、回流焊工艺参数或样品测试报告,我可以协助整理或联系供应渠道获取数据手册。

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