WMSIC Electronic Components

TA-I Technology RMS06FT49R9

ModelRMS06FT49R9
Package0603
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
RMS06FT49R9
Type
TA-I Technology
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RMS06FT49R9
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.025g
Electronic Component
49.9Ω
Electronic Component
10
Electronic Component
BM0265427433
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.

RMS06FT49R9 厚膜贴片电阻产品概述

RMS06FT49R9是大毅科技推出的一款小型化厚膜贴片电阻,采用0603(英制)封装,专为高密度、低压小功率电路设计,兼具稳定精度与宽温适应性,广泛适配消费电子、工业控制等领域的常规电路需求。

一、产品基本定位与设计背景

该型号属于大毅科技常规厚膜贴片电阻系列,针对小型化电路对元件体积的严格要求,采用0603封装(对应公制1608尺寸,长1.6mm×宽0.8mm),通过厚膜丝网印刷+高温烧结工艺制备,平衡了成本与性能,是量产电子设备中常用的电阻选型之一。

二、核心技术参数明细

参数类别 具体参数值 备注说明 电阻类型 厚膜贴片电阻 厚膜工艺抗冲击、耐温性佳 标称阻值 49.9Ω 常规精度阻值规格 精度等级 ±1% 满足多数电路的阻抗匹配需求 额定功率 100mW(25℃连续工作) 需注意温度降额(参考表1) 最大工作电压 50V 不超过击穿电压阈值 温度系数(TCR) ±100ppm/℃ 宽温范围下阻值漂移可控 工作温度范围 -55℃ ~ +155℃ 覆盖工业级与部分汽车级场景 封装尺寸 0603(英制) 公制对应1608(1.6×0.8mm)

三、关键性能特点解析

1. 小型化高密度适配

0603封装体积仅为1.6mm×0.8mm,可大幅减少PCB占用面积,适合智能手机、智能穿戴、小型通信模块等对空间要求苛刻的产品,支持高密度电路布局。

2. 稳定精度与温漂控制

±1%的精度满足信号调理、滤波、分压等常规电路的阻抗要求;±100ppm/℃的温度系数在-55℃至+155℃范围内,阻值漂移量小(如100℃温差下漂移约0.499Ω),无需额外复杂补偿设计。

3. 功率与电压兼容性

100mW额定功率适配低压小功率电路(如3.3V/5V系统),50V最大工作电压避免了击穿风险,可用于多数消费电子与工业控制的电源辅助电路。

4. 厚膜工艺可靠性

厚膜电阻通过陶瓷基片+金属氧化物电阻浆料烧结而成,具有良好的耐焊接热、抗机械冲击能力,适配回流焊、波峰焊等标准SMT工艺,焊接后参数稳定性高。

四、典型应用场景

1. 消费电子领域

  • 智能手机/平板:信号滤波电路(如音频、射频辅助)、传感器接口分压电阻;
  • 智能穿戴:心率传感器、计步器电路的阻抗匹配;
  • 小家电:LED驱动辅助电阻、电源模块分压。

2. 工业控制领域

  • 小型PLC:数字输入输出模块的限流电阻;
  • 电机驱动:小功率伺服电机的电流采样辅助;
  • 传感器模块:温度、压力传感器的信号调理电阻。

3. 通信设备领域

  • 小型基站:射频前端的阻抗匹配电阻;
  • 路由器/交换机:电源滤波与信号衰减电路。

4. 汽车电子(低功耗场景)

  • 仪表盘传感器:油量、水温传感器的信号分压(需确认汽车级认证,本型号参数覆盖-55~155℃);
  • 车载USB充电:低压电路的限流保护。

五、可靠性与环境适应性验证

  1. 温度循环测试:经-55℃(30min)→+155℃(30min)循环1000次后,阻值变化≤0.5%,符合工业级标准;
  2. 焊接可靠性:适配无铅回流焊(峰值温度245℃),焊接后无开裂、阻值漂移;
  3. 机械应力:0603封装抗弯曲能力≥1mm(符合IEC 60068-2-21标准),适合批量SMT生产;
  4. 长期稳定性:室温下1000小时老化后,阻值变化≤0.2%,满足量产产品的寿命要求。

六、应用注意事项

  1. 功率降额:环境温度高于25℃时需按降额曲线调整,如125℃时额定功率降为50mW(参考大毅科技降额表);
  2. 电压限制:实际工作电压不得超过50V,避免电阻击穿;
  3. 焊盘设计:PCB焊盘需符合0603封装标准(推荐焊盘尺寸0.8mm×0.6mm),避免焊接空焊或桥接;
  4. 温漂补偿:若电路对精度要求高于±1%(如精密测量),需结合TCR设计补偿电路。

综上,RMS06FT49R9凭借小型化、稳定精度与宽温适应性,成为量产电子设备中常规电路的高性价比选型,适合对体积、成本与可靠性均有要求的应用场景。

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