WMSIC Electronic Components

ERJ2RKF2801X

ModelERJ2RKF2801X
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANASONIC ERJ2RKF2801X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF2801X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
2.8kΩ
Electronic Component
1
Electronic Component
BM0264850031
Operating Temperature
55℃~+155℃
Operating Voltage
100V
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.

ERJ2RKF2801X 贴片精密厚膜电阻器产品概述

一、核心身份与品牌定位

ERJ2RKF2801X是Panasonic(松下)推出的精密级厚膜贴片电阻器,隶属于松下ERJ系列——该系列是松下针对中小功率、中高精度场景打造的主流贴片电阻产品线,覆盖从通用到精密的全场景需求。作为其中的精密子型号,ERJ2RKF2801X聚焦“性能稳定+成本可控”的平衡,广泛适配消费电子、工业控制、车载电子等领域的信号调理、分压限流等电路设计。

二、关键参数深度解析

该型号的核心参数围绕“精度、稳定性、环境适应性”三大维度设计,具体如下:

  • 阻值与精度:标称阻值2.8kΩ,精度±1%——属于精密级范畴,比普通±5%电阻的阻值一致性提升5倍,可有效降低电路分压、限流误差,避免信号失真(如传感器信号放大电路中,高精度电阻直接影响测量准确性)。
  • 功率与电压:额定功率100mW,最大工作电压100V——功率覆盖常见小信号电路的功耗需求(如低功耗MCU外围电路、传感器驱动电路),电压规格适配低中压应用场景(≤100V),无需额外降额设计即可稳定工作。
  • 温度系数(TCR):±100ppm/℃——厚膜电阻中表现较优的温度稳定性,意味着温度每变化1℃,阻值变化不超过0.01%。例如,在温度波动50℃的环境中,阻值变化仅为±0.5%,可保证电路在宽温下稳定输出。
  • 工作温度范围:-55℃~+155℃——符合工业级宽温标准,可在极端环境(如车载仪表盘、户外物联网节点)中可靠运行,避免低温下阻值漂移、高温下功率衰减问题。
  • 工艺类型:厚膜贴片——厚膜工艺兼顾成本与性能,比薄膜电阻成本降低约30%,比线绕电阻体积缩小80%以上,适合批量生产与高密度PCB布局(典型封装为0402/0603,与松下ERJ系列通用)。

三、核心优势与适用场景

3.1 核心优势

  1. 精度可控:±1%精度满足大多数精密电路需求,无需额外校准即可实现稳定输出,降低设计调试成本;
  2. 宽温可靠:-55~155℃宽温范围覆盖工业、车载等极端场景,故障率远低于普通民用级电阻(松下测试数据显示,长期使用故障率≤0.1%);
  3. 集成度高:贴片封装适合小型化设备的高密度布局(如智能手表、物联网传感器节点),可减少PCB面积占用;
  4. 品牌保障:松下严格的可靠性测试(如温度循环、湿度老化)确保产品长期稳定,降低售后维护成本。

3.2 典型应用场景

  • 工业控制:PLC输入输出接口、传感器信号调理电路(如温度/压力传感器放大);
  • 消费电子:智能手机电源管理模块(分压检测)、智能穿戴设备传感器电路;
  • 车载电子:仪表盘显示驱动、车身控制模块(BCM)信号调理;
  • 物联网设备:低功耗传感器节点的信号放大、数据采集电路。

四、可靠性验证与品质保障

松下对ERJ2RKF2801X进行了多维度可靠性测试,确保产品在实际应用中稳定可靠:

  • 温度循环测试:-55℃(30min)→+155℃(30min)循环1000次,阻值变化≤0.5%;
  • 湿度老化测试:85℃/85%RH环境下1000小时,阻值变化≤1%;
  • 功率负载测试:额定功率100mW下连续工作1000小时,性能无衰减;
  • 机械应力测试:贴片焊接后承受1mm弯曲应力,无开路/短路故障。

五、总结

ERJ2RKF2801X作为松下精密级厚膜贴片电阻,凭借**±1%精度、±100ppm/℃稳定性、-55~155℃宽温适应性**,平衡了性能与成本,成为中高精度小功率电路的优选方案。其广泛的应用场景与可靠的品牌品质,可满足多领域设备的实际设计需求。

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