WMSIC Electronic Components

TA-I Technology RMF04FT1001

ModelRMF04FT1001
Package0402
BrandElectronic Component
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RMF04FT1001
Type
TA-I Technology
Minimum package
5000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RMF04FT1001
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.019g
Electronic Component
1kΩ
Electronic Component
10
Electronic Component
BM0259371452
Operating Voltage
50V
Electronic Component
±100ppm/℃
Resistor Type
Resistor
Electronic Component
Electronic Component

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

RMF04FT1001 产品概述

一、产品简介

RMF04FT1001 是大毅科技推出的一款片式厚膜电阻,封装为 0402(毫米制约 1005 英寸制),标称阻值 1kΩ,精度 ±1%。该系列定位于体积受限、贴片化高密度电路的泛用型阻值元件,适合作为分压、限流、拉/下拉、阻抗匹配等基础电路元件使用。

二、主要规格参数

  • 阻值:1kΩ
  • 精度:±1%
  • 额定功率:62.5 mW(1/16W)在额定环境下(通常以 25°C 为基准)
  • 工作电压:50 V(最大)
  • 电阻温度系数(TCR):±100 ppm/°C
  • 电阻类型:厚膜电阻(薄膜/厚膜工艺差异见下文)
  • 封装:0402(小尺寸表面贴装)

三、结构与封装特点

0402 封装具有体积小、占板面积小、高密度布局友好的优点。厚膜工艺使该系列在成本与通用性之间取得平衡,满足多数消费类、通信与工业电子产品中对普通精度电阻的需求。由于体积微小,热阻较大,散热能力受限,需在布板与热管理上考虑热集中问题。

四、性能特性与使用限制

  • 精度 ±1% 能满足一般模拟及数字电路的常规配套要求;对于高精度测量或温度敏感电路,应考虑更低 TCR(例如 ±25 ppm/°C 或更好)的薄膜元件。
  • ±100 ppm/°C 的温漂表示在温度变化时阻值会随之偏移,需在温度稳定性要求高的场景中评估其影响。
  • 额定功率 62.5 mW 和 50 V 最大工作电压说明该型号不适合高功率或高电压环境,也不推荐用于频繁大功率脉冲场合。
  • 由于封装尺寸小且为厚膜结构,抗冲击、焊接应力与长期可靠性随工艺和使用环境不同而有所差异,建议参照厂家可靠性测试数据进行评估。

五、典型应用场景

  • 消费电子类:移动设备、可穿戴设备以及便携终端中作为分压、限流或上拉/下拉电阻。
  • 通信与网络设备:匹配网络、偏置电路与滤波器网络的阻值元件。
  • 工业与物联网节点:在空间受限的传感器模块和低功耗控制器中使用。
  • PCB 高密度封装设计中用于节约板面空间的常备阻值。

六、选型建议与注意事项

  • 若电路对温漂或长期稳定性要求较高,优先考虑 TCR 更小和长期漂移更低的薄膜或金属膜电阻。
  • 评估实际工作环境温度下的功率降额(derating),避免靠近或超过额定功率连续工作。
  • 注意电压系数和脉冲耐受能力,如有瞬态高压或大电流脉冲,应选择更高额定电压与更大功率的器件。
  • 与 PCB 布局结合考虑散热通道与热源分布,避免热源集中导致电阻过热。

七、焊接与储存建议

  • 采用行业通用的回流焊工艺,遵循厂家推荐的温度曲线,避免过高的峰值温度与多次回流。
  • 在潮湿敏感环境下,按防潮规范存放并在必要时进行回流前烘烤,避免元件受潮引发焊接缺陷。
  • 贴片、回流后如需返修,应尽量减少重复加热次数以保护元件可靠性。

总之,RMF04FT1001(0402,1kΩ,±1%,1/16W,50V,±100 ppm/°C)适合空间受限且对成本与通用性能有要求的常规电子产品。在关键参数或极端工况下,应结合具体应用对温漂、功率、耐压和可靠性进行验证或选用更高规格器件。

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