WMSIC Electronic Components

ERJ2RKF1911X

ModelERJ2RKF1911X
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 ERJ2RKF1911X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF1911X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
1.91kΩ
Electronic Component
1
Electronic Component
BM0264850023
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.

ERJ2RKF1911X 厚膜贴片电阻产品概述

ERJ2RKF1911X是松下(PANASONIC)推出的一款0402封装厚膜贴片电阻,针对高密度电子设计场景优化,兼具小尺寸、稳定性能与批量应用的成本优势,广泛适配消费电子、工业控制等领域的常规电路需求。

一、产品核心身份与定位

该型号属于松下ERJ系列厚膜贴片电阻,聚焦小功率通用电路设计:既满足信号调理、微弱电流控制等场景的电气性能要求,又通过0402超小型封装适配高密度PCB布局(如可穿戴设备、智能手机等紧凑产品)。其核心定位为“高一致性、低成本、环境适应性强”的通用型贴片电阻,可替代同参数的其他品牌产品,且供货稳定性突出。

二、关键电气性能参数解析

ERJ2RKF1911X的电气参数精准匹配常规电路需求,核心参数如下:

  • 阻值与精度:标称阻值1.91kΩ(阻值代码“1911”对应191×10¹=1910Ω),精度±1%——满足大多数信号放大、滤波、分压电路的误差要求,无需额外校准即可稳定工作;
  • 功率与电压:额定功率100mW,最大工作电压100V——需注意功率-电压降额:当工作电压接近100V时,最大允许电流约0.1A,但需确保实际功耗不超过100mW(如1.91kΩ电阻在100V下功耗为100V²/1.91kΩ≈5.24W,远超过100mW,因此实际使用需结合电路电流限制,避免过功率);
  • 温度系数(TCR):±100ppm/℃——表示温度每变化1℃,阻值变化约0.0191Ω(1.91kΩ×100ppm),适合温度波动范围较小的场景(如室内电子设备),或对温漂要求不苛刻的电路;
  • 工作温度范围:-55℃+155℃——覆盖工业级(-40+85℃)、汽车级(部分场景)及消费电子的常见温度环境,可应对低温存储、高温工作等极端情况。

三、封装与物理特性

  • 封装尺寸:0402英制封装(对应公制1.0mm×0.5mm×0.3mm左右)——超小型设计,可大幅节省PCB空间,适配“小型化、轻量化”的电子终端(如智能手环、蓝牙耳机的内部电路);
  • 工艺与结构:采用厚膜印刷工艺制造——相比薄膜电阻成本更低,且抗机械应力(冲击、振动)性能更好;端电极采用多层金属结构(如镍/锡),提升焊接可靠性,减少虚焊、脱焊风险;
  • 贴装兼容性:符合SMD表面贴装标准,适配自动化贴片机生产,批量组装效率高,适合大规模量产。

四、环境适应性与可靠性

松下针对该型号的可靠性设计包括:

  1. 温湿度稳定性:厚膜电阻的膜层与基体结合紧密,在-55~+155℃范围内阻值漂移小(长期使用漂移率<0.1%/1000h);
  2. 抗机械应力:封装结构经过振动测试(如10~2000Hz,加速度1.5g),可应对运输、使用中的振动场景;
  3. 环保合规:符合RoHS 2.0、REACH等环保标准,无铅端电极,适配全球市场的环保要求。

五、典型应用场景

ERJ2RKF1911X的参数特性决定了其适用于小功率、高密度、常规精度的电路场景,典型应用包括:

  1. 消费电子:智能手机、平板电脑的信号调理电路(如音频滤波、触控传感器分压)、电源模块的辅助电阻;
  2. 可穿戴设备:智能手环、手表的心率传感器信号放大电路、低功耗蓝牙模块的匹配电阻;
  3. 工业控制:小型PLC的输入接口电阻、温度传感器的信号转换电路;
  4. 汽车电子:车载胎压监测系统(TPMS)的辅助电阻、车内LED指示灯的限流电阻(需确认工作温度符合汽车级要求);
  5. 通信设备:小型基站的射频前端滤波电路、Wi-Fi模块的阻抗匹配电阻。

六、品牌与质量保障

作为松下成熟的ERJ系列产品,ERJ2RKF1911X具备以下质量优势:

  • 参数一致性:批量生产中阻值、功率等参数偏差控制严格,适合大规模量产的一致性要求;
  • 供货稳定性:松下全球供应链完善,常规型号备货充足,可满足长期订单需求;
  • 技术支持:提供完整的 datasheet 及应用指导,帮助客户优化电路设计。

综上,ERJ2RKF1911X是一款“小尺寸、稳性能、低成本”的通用厚膜贴片电阻,适配多领域电子设计需求,是高密度电路的可靠选择。

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