WMSIC Electronic Components

TA-I Technology RMS04FT3300

ModelRMS04FT3300
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RMS04FT3300
Type
TA-I Technology
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RMS04FT3300
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
330Ω
Electronic Component
10
Electronic Component
BM0264899868
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.

RMS04FT3300 厚膜贴片电阻产品概述

RMS04FT3300是大毅科技推出的一款小型化高精度厚膜贴片电阻,针对电子设备向小型化、高密度方向发展的需求设计,兼具稳定的电气性能与宽温适应性,可满足消费电子、工业控制等多领域的应用要求。

一、产品定位与品牌依托

大毅科技作为专业被动元件制造商,在厚膜电阻领域拥有成熟的研发与生产体系,其产品以可靠性高、一致性好著称。RMS04FT3300定位于小型化通用型厚膜贴片电阻,重点解决电路设计中“小封装+高精度+宽温稳定”的需求,可替代同规格插件电阻或低精度贴片电阻,适配SMT自动化生产流程。

二、核心参数深度解析

RMS04FT3300的核心参数经过优化,可覆盖多数电子电路的基础电阻需求:

  1. 阻值与精度:额定阻值330Ω,精度±1%——该精度满足信号调理、分压偏置等电路对阻值偏差的要求,比±5%精度电阻更适合对信号一致性要求较高的场景;
  2. 功率与电压额定值:额定功率62.5mW,最大工作电压50V——需注意实际使用中需遵循“功率/电压降额原则”(如环境温度升高时需降低功率负载),避免因过载导致性能下降;
  3. 温度系数(TCR):±100ppm/℃——表示温度每变化1℃,阻值变化不超过百万分之一百,若在-55℃~+155℃范围内工作,阻值最大变化量为±2.1%,与±1%精度形成合理冗余,保证宽温下性能稳定;
  4. 工作温度范围:-55℃~+155℃——符合工业级环境要求,可适应极端高低温场景(如户外传感器、车载辅助电路等)。

三、封装与物理特性

RMS04FT3300采用0402封装(英制尺寸:0.04″×0.02″,公制约1.0mm×0.5mm),是当前贴片电阻中体积较小的封装之一:

  • 物理尺寸紧凑,可显著节省PCB布局空间,适合智能手机、可穿戴设备等对空间敏感的产品;
  • 厚膜工艺制造:通过丝网印刷电阻浆料、高温烧结等工序形成电阻层,兼具成本优势与性能稳定性,抗机械应力能力优于薄膜电阻;
  • 表面贴装设计:适配SMT自动化生产线,可实现高速贴装,降低生产制造成本。

四、性能优势与典型应用

(一)核心优势

  1. 精度与稳定性平衡:±1%精度结合±100ppm/℃ TCR,在宽温范围内阻值漂移小,适合对信号一致性要求高的电路;
  2. 小型化适配:0402封装满足高密度电路设计需求,支持设备小型化升级;
  3. 宽温可靠性:-55℃~+155℃工作范围,可应对极端环境下的长期稳定工作;
  4. 成本效益:厚膜工艺相比薄膜电阻成本更低,适合批量应用场景。

(二)典型应用场景

  1. 消费电子:智能手机、平板电脑的信号滤波电路、电源分压电路;
  2. 可穿戴设备:智能手环、手表的传感器接口电路、低功耗偏置电路;
  3. 工业控制:小型传感器模块、PLC的辅助检测电路;
  4. 通信设备:小型基站、路由器的射频辅助电路、电源管理模块。

五、可靠性与环境适应性

RMS04FT3300通过多项可靠性测试,满足电子设备的长期使用要求:

  • 环境耐受:抗湿度(符合IEC 60068-2-67标准)、抗盐雾(部分等级满足工业级要求),可适应潮湿、沿海等环境;
  • 机械可靠性:贴片结构抗振动、抗冲击能力优于插件电阻,适合移动设备或车载场景;
  • 长期寿命:在额定参数下工作,典型MTBF(平均无故障时间)可达数十万小时,满足电子设备的生命周期需求。

综上,RMS04FT3300厚膜贴片电阻以“小封装、高精度、宽温稳定”为核心特点,结合大毅科技的成熟工艺,可成为消费电子、工业控制等领域的可靠电阻选型方案。

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