WMSIC Electronic Components

Sunway SC0805F4702F4ANRH

ModelSC0805F4702F4ANRH
Package0805
BrandSUNWAY
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
Sunway SC0805F4702F4ANRH
Type
SUNWAY
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
SUNWAY
Electronic Component
SC0805F4702F4ANRH
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.028g
Electronic Component
47kΩ
Electronic Component
1
Electronic Component
BM0266065737
Operating Temperature
55℃~+155℃
Operating Voltage
150V
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.

SC0805F4702F4ANRH 厚膜贴片电阻产品概述

一、产品基本定位与核心属性

SC0805F4702F4ANRH是信维通信(Sunway) 推出的一款0805封装厚膜贴片电阻,属于通用型电阻器件,主打“宽温稳定、精度可靠、适配主流贴装”三大特点,广泛覆盖消费电子、工业控制、汽车电子等多领域的电路设计需求。作为厚膜电阻,其采用丝网印刷+高温烧结工艺制备电阻膜层,平衡了性能与成本,是电子电路中分压、限流、滤波、匹配等基础功能的理想选择。

二、关键性能参数深度解析

该电阻的核心参数针对主流电路需求进行了优化,具体如下:

1. 阻值与精度

阻值标称47kΩ(对应4位代码“4702”,即470×10²Ω=47000Ω),精度等级为**±1%**。这一精度可满足大多数工业级及消费电子电路对阻值偏差的要求——例如在电池管理系统的电压分压检测中,±1%的精度能将电池电量计算误差控制在1%以内,避免因阻值偏差导致的过充/过放风险。

2. 功率与电压承载能力

额定功率125mW(0.125W),工作电压上限150V,匹配0805封装的常规功率等级。在小功率信号处理场景中(如音频滤波、传感器偏置电路),125mW的功率可稳定承载负载;150V的电压上限则覆盖了低压直流(如12V/24V工业电源)及低频交流(如市电整流后的直流母线)电路的工作需求,无需额外降额即可安全使用。

3. 温度稳定性与宽温范围

温度系数(TCR)为**±100ppm/℃,意味着温度每变化1℃,阻值变化不超过0.01%;工作温度范围覆盖-55℃~+155℃**,是典型的宽温级电阻。以汽车发动机舱(工作温度可达125℃)为例,从-40℃(冬季低温)到125℃(发动机运行),阻值最大变化量约为±100ppm×165℃=±1.65%,结合初始±1%精度,整体偏差仍在电路可接受范围内,确保宽温环境下性能稳定。

三、封装与可靠性设计

1. 0805封装适配性

封装规格为0805(英制),对应公制尺寸2.0mm×1.2mm,是贴片电阻中应用最广泛的封装之一。该封装适配自动化贴装生产线(回流焊、波峰焊均兼容),生产效率高;同时体积小巧,可有效节省电路板空间,适合高密度PCB设计(如智能手机主板、小型工业控制器)。

2. 厚膜工艺与可靠性测试

采用厚膜电阻工艺(氧化铝陶瓷基板+厚膜电阻浆料烧结),相比薄膜电阻成本更低,且具备更好的耐浪涌能力(可承受短时间过功率冲击)。信维通信对该产品进行了多项可靠性测试:

  • 回流焊测试:符合J-STD-020标准,可通过无铅回流焊工艺;
  • 温度循环测试:-55℃~+155℃循环1000次,阻值变化≤±1%;
  • 耐湿测试:85℃/85%RH环境下放置1000小时,性能无明显衰减;
  • 符合RoHS2.0及无卤标准,满足全球环保要求。

四、典型应用场景

SC0805F4702F4ANRH的参数特性使其适配多领域电路:

  1. 消费电子:智能手机电池管理模块(电压分压检测)、平板电脑音频滤波电路、智能穿戴设备信号调理;
  2. 工业控制:PLC可编程控制器的模拟量输入电路(限流保护)、传感器接口(如温度传感器偏置电阻)、工业电源的电压反馈网络;
  3. 汽车电子:车载中控系统的背光驱动电路(限流)、仪表盘电压检测电路(宽温稳定)、车载USB充电模块的过流保护;
  4. 通信设备:路由器/交换机的信号衰减电路、基站射频前端的偏置电阻、光纤收发器的滤波网络。

五、总结

SC0805F4702F4ANRH作为信维通信的主流厚膜贴片电阻,以**±1%精度、±100ppm/℃温度系数、-55℃~+155℃宽温**为核心优势,结合0805封装的高适配性,可满足从消费电子到汽车电子的多场景需求。其厚膜工艺平衡了性能与成本,可靠性测试覆盖主流应用环境,是电子电路设计中分压、限流等基础功能的高性价比选择。

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