WMSIC Electronic Components

ERJ2RKF7152X

ModelERJ2RKF7152X
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 ERJ2RKF7152X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF7152X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
71.5kΩ
Electronic Component
1
Electronic Component
BM0257349721
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.

ERJ2RKF7152X 贴片厚膜电阻产品概述

一、产品基本定位与封装规格

ERJ2RKF7152X是松下(PANASONIC)推出的0402封装贴片厚膜电阻,定位于兼顾「小型化集成」与「环境适应性」的通用型电阻。其0402封装尺寸(英制:0.04″×0.02″,公制:1.0mm×0.5mm)具备优异的空间利用率,可有效降低电路模块体积与重量,适配手机、车载电子等对尺寸敏感的设备。该产品以成熟厚膜工艺为核心,平衡了成本与性能,覆盖多领域常规电路需求。

二、核心电气与环境参数详解

1. 阻值与精度

标称阻值71.5kΩ,精度等级±1%,采用激光微调工艺实现阻值一致性。该精度可满足信号调理、分压电路等对阻值偏差要求中等偏上的场景,无需额外校准即可保证电路输出稳定性。

2. 功率与电压

额定功率100mW,最大工作电压50V。在0402小封装下实现了约200mW/mm²的功率密度,适配低功耗电路的电流范围(100mW功率下工作电流约3.7mA),无需牺牲封装尺寸提升功率。

3. 温度特性

温度系数(TCR)为±100ppm/℃,表示温度每变化1℃,阻值漂移不超过±0.01%。结合-55℃至+155℃的宽温范围,可覆盖汽车电子、工业控制等极端环境:例如在155℃与-55℃温差下,阻值最大变化约±2.1%(71.5kΩ×210℃×100ppm),远低于多数电路的允许偏差。

4. 工作温度范围

-55℃至+155℃,覆盖汽车级(-40℃+125℃)、工业级(-20℃+85℃)等典型应用场景,无需额外散热设计即可稳定运行。

三、厚膜电阻技术的性能优势

ERJ2RKF7152X采用厚膜电阻工艺,相比薄膜电阻成本更低,相比线绕电阻体积更小,核心优势如下:

  1. 工艺成熟稳定:通过丝网印刷、高温烧结形成电阻层,生产一致性好,适合大规模量产;
  2. 抗环境性能强:厚膜层与陶瓷基底结合紧密,具备抗冲击、抗振动能力,适配车载、工业等振动场景;
  3. 焊接兼容性高:支持回流焊、波峰焊等常规贴片工艺,焊接后可靠性符合IPC-A-610标准;
  4. 长期稳定性好:厚膜电阻的阻值漂移率低于碳膜电阻,可满足5年以上的长期使用需求。

四、典型应用场景解析

1. 消费电子

如智能手机、平板电脑的电源管理模块(分压、限流电路)、音频信号调理电路,利用0402封装的小型化优势,配合±1%精度保证信号传输准确性。

2. 工业控制

小型PLC的I/O接口电路、传感器信号放大电路,宽温范围可适应工业现场的温度波动,±100ppm/℃的TCR保证信号无明显漂移。

3. 汽车电子

车载辅助电路(仪表盘背光控制、传感器前置电路),符合汽车级温度要求,厚膜电阻的抗振动性能可应对车辆行驶中的冲击。

4. 通信设备

小型基站、路由器的射频辅助电路(偏置电路、匹配网络),0402封装实现高密度集成,100mW功率满足低功耗射频需求。

五、松下品牌的可靠性保障

松下作为全球电子元器件龙头,ERJ2RKF7152X具备以下品质保障:

  1. 全流程测试:出厂前经过阻值精度测试、温度循环测试、功率老化测试等多环节检验,批量一致性达99.9%以上;
  2. 环保合规:符合RoHS、REACH标准,无铅无镉,适配绿色电子产品设计;
  3. 长期供货:厚膜电阻系列供货周期稳定,可满足客户批量生产的持续需求;
  4. 技术支持:提供完整 datasheet 与电路设计优化建议,帮助客户降低研发成本。

该产品以「小型化、宽温、高一致性」为核心竞争力,是多领域常规电路设计的可靠选择。

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