WMSIC Electronic Components

Sunway SC0805F0000I4ANRH

ModelSC0805F0000I4ANRH
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 SC0805F0000I4ANRH
Type
SUNWAY
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
SUNWAY
Electronic Component
SC0805F0000I4ANRH
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.028g
Electronic Component
0Ω
Electronic Component
1
Electronic Component
BM0266065735
Operating Temperature
55℃~+155℃
Electronic Component
±300ppm/℃
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.

SC0805F0000I4ANRH 0Ω厚膜贴片电阻产品概述

SC0805F0000I4ANRH是信维通信(Sunway)推出的一款0805封装0Ω厚膜贴片电阻,针对低功耗电路、数字系统跳线及简易电流采样等场景优化设计,兼具成本优势与稳定性能,广泛适配工业控制、消费电子、汽车电子等领域。

一、产品基本属性与核心定位

作为一款厚膜工艺的0Ω贴片电阻,该产品并非严格意义上的“零阻值”,而是通过优化浆料配方实现极低实际阻值(典型值≤50mΩ),核心定位是“低成本、高可靠性的电路连接与微调元件”。其主要替代传统导线跳线,简化PCB布线逻辑,同时兼顾小电流采样、信号匹配等功能,适配自动化SMT生产,满足批量应用需求。

二、关键性能参数详解

1. 阻值与精度

标称阻值为0Ω,精度±1%——这里的精度并非传统电阻的“阻值偏差”,而是指实际微小阻值的相对偏差(如实际阻值30mΩ时,偏差范围为±0.3mΩ),保证电路连接的一致性。

2. 功率与功耗

额定功率125mW,属于0805封装的常规功率等级,适用于小电流场景(建议电流≤1A),避免因功率过载导致电阻发热、阻值漂移。

3. 温度系数(TCR)

±300ppm/℃——表示每变化1℃,阻值变化百万分之300(如温度升高100℃,实际阻值增加约9μΩ),属于厚膜电阻的中等水平,满足一般环境温度变化下的性能稳定。

4. 工作温度范围

-55℃~+155℃——覆盖工业级、汽车级的宽温需求,可承受极端高低温环境(如户外设备、车载系统)。

三、封装与工艺特点

1. 0805封装规格

采用英制0805(公制2012)封装,尺寸为2.0mm×1.2mm×0.5mm(典型值),体积小巧,节省PCB空间,兼容自动化贴装设备,贴装效率高。

2. 厚膜电阻工艺

以氧化铝陶瓷为基底,通过丝网印刷钌系电阻浆料并烧结成型,相比薄膜电阻成本更低,且机械强度、长期稳定性更优;0Ω设计通过调整浆料浓度与烧结工艺实现极低阻值,避免传统导线的焊接缺陷。

3. 结构与防护

表面覆盖环氧树脂封装层,兼具绝缘性与机械防护性,可抵御焊接热应力、轻微振动及环境湿度影响。

四、典型应用场景

1. 电路跳线与跨接

替代PCB上的导线跳线,简化布线(如数字电路中不同电源域的连接、信号路径的跨接),减少焊接点,提高电路可靠性与生产效率。

2. 小电流采样

利用其极低实际阻值,配合运放等电路实现mA级电流检测(如IoT终端的电池电流监控),无需额外高精度采样电阻,降低成本。

3. 信号匹配与调试

在射频电路中作为阻抗匹配的微调元件,或在PCB预留位置作为“调试电阻”(后期可替换为目标阻值,适配电路优化)。

4. 低功耗设备设计

适配可穿戴设备、智能传感器等低功耗产品,125mW功率满足电路连接需求,无额外功耗负担。

五、可靠性与环境适应性

1. 耐温与湿热性能

通过-55℃~155℃高低温循环测试,以及85℃/85%RH湿热测试(符合IEC 60068标准),长期使用阻值漂移≤0.5%。

2. 机械性能

可承受振动(10~2000Hz,加速度2g)与冲击(1000g,0.1ms)测试,适配车载、工业等振动环境。

3. 环保与认证

符合RoHS 2.0、REACH等环保标准,无铅封装,适配全球市场应用。

六、选型与使用注意事项

1. 功率与电流限制

实际使用时需注意:最大电流≤√(P/R)(R取实际微小阻值,如30mΩ时,I≤2A),建议留50%余量(≤1A),避免过热。

2. 焊接工艺

采用回流焊(峰值温度240~260℃,时间≤10s)或波峰焊,避免手工焊接温度过高(>300℃)损坏电阻。

3. 存储要求

存储温度-40~85℃,湿度≤60%,开封后建议1个月内使用,防止受潮影响性能。

综上,SC0805F0000I4ANRH以高性价比、稳定性能及宽温适应性,成为电路连接、小电流采样等场景的优选元件,适配多领域量产需求。

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