WMSIC Electronic Components

UNI-ROYAL 1206W4F5102T5E

Model1206W4F5102T5E
Package1206
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 1206W4F5102T5E
Type
UNI-ROYAL
Minimum package
5000 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
1206W4F5102T5E
Electronic Component
1
Package
1206
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
51kΩ
Electronic Component
1
Electronic Component
BM0257341395
Operating Temperature
55℃~+155℃
Operating Voltage
200V
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.

1206W4F5102T5E 产品概述

一、产品简介

1206W4F5102T5E 是 UNI-ROYAL(厚声)出品的一款厚膜贴片电阻,封装为 1206(英制尺寸,约 3.2 mm × 1.6 mm,公制 3216),标称阻值 51 kΩ,精度 ±1%。该系列面向需要中高精度、稳定性良好的通用型表面贴装应用,兼顾成本与可靠性,适合大批量 SMT 生产流程。

二、主要电气参数

  • 阻值:51 kΩ(5102 表示 51 × 10^2 Ω)
  • 精度:±1%(适合精确阻值配对的电路,符合 E96 阻值序列)
  • 功率:250 mW(额定功率,具体工作时需参考温度降额)
  • 允许工作电压:200 V(最大持续施加电压,超过该值可能引起击穿或参数漂移)
  • 温度系数(TCR):±100 ppm/℃(热稳定性中等,适合一般精度电路)
  • 工作温度范围:-55 ℃ ~ +155 ℃(适用于工业级温度范围)

三、结构与封装

  • 封装:1206(3216 公制),适配标准贴片加工与回流焊流程
  • 内部结构:厚膜电阻体(烧结薄膜固化在陶瓷基板上,端接为金属化电极)
  • 表面处理:适合常见无铅焊接工艺(具体回流曲线建议参照厂商资料) 该封装在功率密度与可焊性方面较为均衡,是通用电路板设计中的常用尺寸。

四、性能与可靠性

  • 热稳定性:±100 ppm/℃ 的 TCR 在温度变化下表现为中等阻值漂移,适合多数模拟、分压、偏置和滤波电路;对温漂要求更高的测量级精密电路建议选用更低 TCR 的金属薄膜或薄膜电阻。
  • 温度范围及长期可靠性:-55 ℃ 至 +155 ℃ 的工作范围覆盖大多数工业与消费电子环境。长期使用时应遵循厂家的寿命与可靠性测试标准(高温贮存、高温湿热、温度循环等)。
  • 电压与功率限制:在接近额定电压或功率长时间工作会引起热应力与阻值漂移,建议在系统设计时留有余量并按照厂方功率降额曲线应用。
  • 抗振动与抗冲击:厚膜贴片电阻结构稳健,适配 SMT 工艺后具有良好机械可靠性,但在强机械应力或频繁热循环的特殊场合应进行验证试验。

五、典型应用场景

  • 精密分压、基准电阻网络(要求 1% 精度的模拟电路)
  • 信号调理、偏置电路与电平设定
  • 通信设备、消费电子、工业控制板、电源管理模块
  • 滤波器、电阻阵列中的单点替换或通用阻值使用 该产品在多数对成本与可靠性有平衡要求的场景中表现良好。

六、焊接与安装建议

  • 推荐采用标准 SMT 回流焊工艺进行贴装,兼容常见无铅回流温度曲线;为保证性能稳定,请参考厂家的具体回流温度资料
  • 焊盘设计应遵循 IPC/JEDEC 建议的 1206 封装铜箔尺寸与阻焊开窗,避免过大铜面导致焊接受热不均或应力集中
  • 回流后建议进行外观及阻值检测(目视检查焊点、回流焊痕及阻值偏差)
  • 在高湿或有腐蚀性气体的环境中,应采取适当防护(涂覆或密封)以延长使用寿命
  • 装配与测试中避免对元件施加长期弯曲或机械压力,防止端点裂纹或接触不良

七、采购与质量保障

  • 品牌:UNI-ROYAL(厚声),在厚膜电阻领域有较成熟的产能与品质控制体系
  • 订购型号示例:1206W4F5102T5E(标识封装、阻值与包装规格,实际采购请核对完整型号及包装方式)
  • 建议在设计与量产前获取最新数据手册(Datasheet)以确认回流曲线、功率降额曲线、可靠性测试结果与批次放行认证
  • 质量控制:建议对关键应用进行样件评估,包括温漂测试、长期稳定性及焊接可靠性验证

总结:1206W4F5102T5E 提供 51kΩ、±1% 的中高精度阻值,250 mW 功率与 200 V 工作电压,适合多种通用电子应用。在系统设计时注意功率降额与温漂特性,并参考厂方 datasheet 优化焊接与装配流程,可获得稳定可靠的性能表现。

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