WMSIC Electronic Components

Sunway SC0402J2002F2ANRH

ModelSC0402J2002F2ANRH
Package0402
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 SC0402J2002F2ANRH
Type
SUNWAY
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
SUNWAY
Electronic Component
SC0402J2002F2ANRH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.009g
Electronic Component
20kΩ
Electronic Component
10
Electronic Component
BM0266065764
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.

SC0402J2002F2ANRH 厚膜固定电阻器产品概述

一、产品定位与核心参数概览

SC0402J2002F2ANRH是Sunway信维通信推出的0402封装厚膜固定电阻器,针对高密度PCB设计与宽温环境应用打造,属于中精度、小体积、高稳定性的通用型被动元件。其核心参数明确覆盖多数电子系统的分压、限流、信号调理需求,具体核心参数如下:

类别 参数值 说明 电阻类型 厚膜电阻 印刷工艺成型,稳定性优 标称阻值 20kΩ(代码2002) E24系列标准阻值 精度等级 ±5%(J档) 满足通用电路需求 额定功率 62.5mW 持续工作最大功率 最大工作电压 50V 瞬间/额定条件电压上限 温度系数 ±100ppm/℃ 宽温下阻值变化可控 工作温度范围 -55℃~+155℃ 覆盖工业/部分汽车场景

二、关键性能指标详解

1. 阻值与精度的适配性

标称阻值20kΩ属于电子电路中常见的分压、偏置阻值,±5%的精度(J档)无需额外校准即可满足消费电子、工业控制等多数场景需求——例如智能手机音频电路的信号偏置、PLC输入接口的限流,无需高精度级(如±1%)的成本投入,性价比突出。

2. 功率与电压的互锁约束

额定功率62.5mW为持续工作的最大功率,实际应用需同时满足两个约束:

  • 电压上限:$U_{max} = \sqrt{P \times R} = \sqrt{62.5mW \times 20kΩ} ≈ 35.4V$(持续工作时需低于此值);
  • 瞬间电压:最大工作电压50V(仅支持短时间浪涌或额定条件下的峰值电压)。
    设计时需避免长期超功率/超电压工作,防止电阻发热漂移或烧毁。

3. 宽温下的阻值稳定性

±100ppm/℃的温度系数意味着:在工作温区(-55℃~+155℃,温差180℃)内,阻值变化量为 $20kΩ \times 100e-6 \times 180 = ±360Ω$,仅占标称值的±1.8%——远低于±5%的精度要求,保证极端环境下(如工业高温车间、汽车引擎舱周边) 电路性能稳定。

4. 环境适应性的覆盖范围

-55℃+155℃的工作温度范围,超越普通消费级(0℃70℃)与工业级(-40℃~85℃)标准,可适配:

  • 户外物联网设备的低温(-40℃以下)环境;
  • 汽车中控/仪表盘的高温(125℃以上)场景;
  • 工业传感器的宽温工作区间。

三、封装与可靠性设计

1. 0402封装的高密度优势

0402封装(英制代码,对应公制1005)尺寸仅为1.0mm×0.5mm×0.4mm,是目前小型化电子设备的主流封装之一,可大幅提升PCB的元件密度——例如智能手机主板的电源滤波电路、智能穿戴设备的信号调理模块,能在有限空间内集成更多功能。

2. 厚膜工艺的可靠性保障

采用厚膜印刷+烧结工艺,电阻膜层与陶瓷基底结合紧密,具备以下优势:

  • 抗机械应力:不易因焊接、振动导致膜层脱落;
  • 抗潮性:膜层致密,减少环境湿度对阻值的影响;
  • 长期稳定性:1000小时老化测试后,阻值漂移≤0.5%,符合工业级标准。

3. 焊接兼容性与端电极设计

端电极采用Ni层+SnPb镀层(或无铅Sn镀层)的多层结构,兼容:

  • 回流焊(260℃峰值温度);
  • 波峰焊(245℃峰值温度);
    焊接后拉脱力≥5N,无虚焊、冷焊风险,适配自动化贴片生产。

四、典型应用场景

1. 消费电子领域

  • 智能手机/平板:电源滤波电路的分压电阻、音频 codec 的偏置电阻;
  • 智能穿戴:智能手表的心率传感器信号调理、蓝牙耳机的低功耗限流;
  • 小型家电:智能音箱的麦克风偏置、便携式充电头的电压反馈。

2. 工业与物联网

  • 工业传感器:温度/压力传感器的信号分压、PLC输入接口的限流;
  • 物联网网关:LoRa模块的信号匹配、低功耗节点的电源管理;
  • 智能农业:温室传感器的信号调理、灌溉控制器的接口电阻。

3. 汽车电子辅助系统

  • 汽车中控:仪表盘LCD的背光驱动电阻、车载蓝牙模块的信号偏置;
  • 车身控制:BCM(车身控制模块)的低压信号接口、车窗控制电路的限流。

五、品牌与质量保障

1. Sunway信维通信的技术背书

信维通信是国内被动元件领域的龙头企业,专注于厚膜电阻、射频元件的研发生产,产品通过ISO9001质量管理体系、IATF16949汽车行业认证,具备稳定的供应链与生产能力。

2. 全流程质量控制

每批次产品需经过:

  • 阻值/精度全检(抽样率100%);
  • 功率老化测试(1.2倍额定功率下24小时);
  • 温度特性抽样测试(-55℃~+155℃区间);
    不合格率低于0.1%,保证批量一致性。

3. 供货与定制支持

支持批量供货(月产能≥1000万只),可根据需求定制:

  • 更高精度(如±1%);
  • 更低温度系数(如±50ppm/℃);
  • 无铅封装版本。

总结

SC0402J2002F2ANRH凭借小体积、宽温稳定、中精度、高性价比的特点,成为多领域电子系统的理想电阻选择——尤其适合对PCB密度、环境适应性有要求的消费电子、工业控制与汽车电子场景,是信维通信厚膜电阻产品线中的经典通用型号。

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