WMSIC Electronic Components

ERJ2RKF7500X

ModelERJ2RKF7500X
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

18 specifications

Core information

Product name
PANASONIC ERJ2RKF7500X
Type
PANASONIC
Minimum package
10000

Technical parameters

Power
100mW
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF7500X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
750Ω
Electronic Component
1
Electronic Component
BM0257349715
Operating Temperature
55℃~+155℃
Electronic Component
±100ppm/℃
Resistor Type
Resistor
Electronic Component
10000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ERJ2RKF7500X 精密厚膜贴片电阻产品概述

一、产品基本属性

ERJ2RKF7500X是松下(PANASONIC) 推出的精密级厚膜贴片电阻,采用行业通用的0402小型化封装,属于厚膜电阻系列中的高性价比精密型号,专为对阻值精度、温度稳定性及空间利用率有严格要求的电子电路设计。

二、核心性能参数详解

该型号电阻的关键参数与应用需求高度匹配,具体如下:

  1. 阻值与精度:标称阻值750Ω,精度等级±1%——属于精密电阻范畴,可满足模拟电路中信号采样、电压分压等场景对阻值一致性的要求,避免因偏差导致电路性能波动(如传感器信号失真、电源输出不稳定)。
  2. 功率额定值:100mW(0.1W)——适用于低功耗小信号电路(如音频滤波、电流转电压采样),无需额外散热设计,进一步节省PCB空间,适配便携设备的轻量化需求。
  3. 温度系数(TCR):±100ppm/℃——该参数反映阻值随温度变化的稳定性:环境温度每变化1℃,阻值变化率为±100ppm(百万分之一)。以750Ω为例,温度变化100℃时,阻值仅变化±7.5Ω(相对偏差±1%),与精度等级一致,确保宽温环境下性能稳定。
  4. 工作温度范围:-55℃+155℃——覆盖工业级(-40℃+85℃)、汽车级(-40℃~+125℃)及部分高温场景(如LED驱动模块),可适应极端环境下的长期稳定工作。

三、封装与物理特性

ERJ2RKF7500X采用0402贴片封装(英制0.04英寸×0.02英寸,公制约1.0mm×0.5mm),具备以下优势:

  • 小型化设计:体积仅为传统插件电阻的1/10,可大幅提升PCB布线密度,适配智能手机、智能穿戴、小型工业控制器等对空间严苛的产品;
  • 厚膜工艺结构:通过丝网印刷、高温烧结制备电阻膜层,附着力强、抗机械应力性能好,相比薄膜电阻成本更低,相比碳膜电阻精度更高、稳定性更好;
  • 贴装兼容性:支持回流焊、波峰焊等主流工艺,可实现自动化批量生产,降低组装成本。

四、典型应用场景

基于精密、宽温、小型化的特点,该电阻广泛应用于以下领域:

  1. 消费电子:智能手机音频滤波、电源电压分压、触控传感器信号调理;智能手表心率/血氧信号采样;
  2. 工业控制:PLC模拟量输入模块、工业传感器(温度/压力)信号放大电路;
  3. 汽车电子:仪表盘背光控制、车载音响信号处理、车身控制器(BCM)小信号电路(155℃上限覆盖发动机舱高温环境);
  4. 医疗设备:便携式监护仪心率/血压信号调理(精密电阻保证测量精度,避免诊断误差)。

五、品牌与品质保障

作为松下旗下产品,ERJ2RKF7500X具备可靠品质:

  • 工艺成熟:松下厚膜电阻研发经验超数十年,电阻膜层均匀性、阻值一致性控制严格,批量良率达99.9%以上;
  • 环保合规:符合RoHS、REACH标准,不含铅、镉等有害物质,满足绿色生产要求;
  • 长期稳定性:经高温老化、温度循环测试,5年使用周期内阻值变化率小于0.5%,适配对寿命要求高的场景。

该型号电阻平衡了精度、成本与可靠性,是小型化电子设备中精密信号处理的理想选择。

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