WMSIC Electronic Components

ERJ2RKF8062X

ModelERJ2RKF8062X
Package0402
BrandPANASONIC
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANASONIC ERJ2RKF8062X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF8062X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
80.6kΩ
Electronic Component
1
Electronic Component
BM0257349581
Operating Temperature
55℃~+155℃
Electronic Component
±100ppm/℃
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.

ERJ2RKF8062X 厚膜贴片电阻产品概述

ERJ2RKF8062X是松下(PANASONIC)推出的一款小功率高精度厚膜贴片电阻,针对紧凑空间设计需求整合了稳定性能与可靠工艺,广泛适配消费电子、工业控制、通信等多领域电路。

一、产品核心定位与基本属性

该电阻属于松下ERJ系列厚膜贴片电阻的细分型号,核心定位为低功耗场景下的精密阻值匹配元件:

  • 封装采用0402(英制规格,对应公制1005,尺寸约1.0mm×0.5mm),是小型化电子设备的主流封装;
  • 阻值为80.6kΩ,属于E96系列精密阻值(E96系列提供1%精度的2%步进阻值,适配信号匹配需求);
  • 额定功率100mW,满足绝大多数低功耗电路的功率需求,同时适配0402封装的物理极限。

二、关键性能参数详解

1. 阻值与精度

阻值为80.6kΩ±1%,1%的精度可满足工业级电路对阻值匹配的基本要求(如运放反馈网络、ADC基准分压),无需额外校准即可实现稳定信号处理。

2. 功率与降额规范

额定功率100mW(25℃环境),实际使用需遵循降额:环境温度每升1℃,功率额定值降0.33mW,125℃时降额至约66mW,确保长期可靠性。

3. 温度系数(TC)

温度系数为**±100ppm/℃**,即温度每变1℃,阻值变化±8.06Ω。该参数优于常规厚膜电阻(±200ppm/℃),宽温环境下(-55℃~155℃)仍能保持阻值稳定,避免电路性能漂移。

4. 工作温度范围

覆盖**-55℃~+155℃**,符合工业级设备宽温要求,可适配户外设备、车载辅助电路(非车规级但满足部分场景)等极端温度环境。

三、封装与工艺特点

1. 厚膜工艺优势

采用氧化铝陶瓷基片厚膜印刷烧结工艺:印刷钌基电阻浆料后高温烧结,形成致密电阻层,兼具成本优势与稳定性(相对于薄膜电阻,厚膜工艺批量性更好、抗过载能力更强)。

2. 端电极结构

端电极采用三层复合结构:镍底层(增强陶瓷结合力)+镍中间层(阻挡层)+无铅锡顶层(兼容RoHS,焊接兼容性好),可适配回流焊、激光焊,焊接后阻值变化≤0.5%。

3. 小型化设计

0402封装尺寸仅1.0mm×0.5mm×0.35mm(典型值),适合高密度PCB设计(如智能手机主板、小型传感器模块),有效节省电路空间。

四、典型应用场景

1. 消费电子领域

  • 智能手机/平板:电源管理分压电阻、音频信号调理反馈电阻;
  • 智能穿戴:心率传感器、加速度计的信号放大匹配电阻。

2. 工业控制领域

  • PLC模拟量输入模块:信号衰减电阻;
  • 工业传感器:温度/压力传感器的宽温信号调理电路。

3. 通信设备领域

  • 小型基站:射频匹配电阻、偏置电路限流电阻;
  • 路由器/交换机:以太网接口信号隔离电阻。

4. 医疗设备领域

  • 小型监护仪:血氧/心电信号放大反馈电阻(对精度稳定性要求较高)。

五、可靠性与环境适应性

1. 长期稳定性测试

经松下测试:85℃/85%RH环境下放置1000小时,阻值变化≤0.5%;-55℃~155℃温度循环1000次,阻值变化≤0.3%,满足工业级长期可靠性。

2. 机械可靠性

符合IEC 60068-2-21标准,可承受PCB弯曲(最大弯曲半径2mm),避免PCB变形导致电阻开裂。

3. 耐电压特性

额定功率下最大工作电压约89.8V(由P=V²/R计算),满足24V/48V工业电源等一般电路耐压需求。

六、选型与使用注意事项

1. 功率降额建议

实际功率需低于额定功率的70%(即70mW以内),高温环境下可延长寿命10倍以上(松下数据)。

2. 焊接工艺规范

  • 推荐回流焊,温度曲线峰值230℃245℃,焊接时间3060秒;
  • 避免波峰焊(0402封装抗热冲击弱,易导致阻值漂移)。

3. 存储与静电防护

  • 未开封产品存储于15℃35℃、40%60%湿度环境,开封后1个月内使用;
  • 操作需防静电(手环、防静电工作台),避免损坏端电极。

4. 阻值匹配注意

80.6kΩ为E96系列精密阻值,需与同系列(如82.5kΩ、78.7kΩ)搭配,避免与E24系列(±5%精度)混用导致匹配偏差。

ERJ2RKF8062X凭借小尺寸、高精度、宽温稳定等特性,成为小型化电子设备低功耗电路的理想选择,平衡性能与成本适配多领域设计需求。

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