WMSIC Electronic Components

ERJPA2F1003X

ModelERJPA2F1003X
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 ERJPA2F1003X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
200mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJPA2F1003X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
100kΩ
Electronic Component
1
Electronic Component
BM0264570398
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.

ERJPA2F1003X 耐电涌贴片厚膜电阻产品概述

一、产品核心定位与身份

ERJPA2F1003X是松下(PANASONIC)旗下一款专为抗电涌场景设计的0402封装厚膜贴片电阻,属于耐电涌电阻系列的典型型号。其核心定位是在小体积、宽温环境下,为电子电路提供稳定阻值,同时具备较强的瞬时过压/过流耐受能力,适配消费电子、工业控制、车载等多领域的高密度PCB设计需求。

二、关键性能参数与实际意义

该型号参数经过针对性优化,平衡了体积、精度与耐环境能力,核心参数及实际价值如下:

  1. 阻值与精度:标称阻值100kΩ(代码“1003”),精度±1%——满足中等精度电路需求(如分压、信号调理、上拉/下拉),无需过高精度即可覆盖大多数常规应用,兼顾成本与性能;
  2. 功率与电压:额定功率200mW,额定工作电压50V——结合阻值计算,最大额定电流0.5mA(50V÷100kΩ);0402封装下200mW功率属常规偏优水平,且耐电涌特性使其可承受瞬时功率远超额定值;
  3. 温度特性:温度系数±100ppm/℃,工作温度-55℃~+155℃——温度每变1℃,阻值变±0.01%;宽温覆盖工业、车载甚至极端环境,阻值漂移可控(如温差210℃时,变化±2.1kΩ);
  4. 封装尺寸:0402(英制,公制1005)——尺寸1.0mm×0.5mm,适配智能手机、可穿戴设备等高密度PCB,满足小型化趋势。

三、耐电涌核心优势解析

作为耐电涌电阻,该型号核心竞争力在于抗瞬时应力能力,源于两方面:

  1. 厚膜工艺结构:陶瓷基底+厚膜电阻浆料烧结,电阻层致密且与基底结合牢固,相比薄膜电阻更能承受瞬时过流的热量冲击,避免开裂或阻值永久漂移;
  2. 松下专属优化:针对电涌场景,优化浆料配方(提升热稳定性)与电极设计(减少接触电阻变化),可有效应对开机浪涌(电源启动尖峰)、ESD静电放电、工业现场电压干扰等,降低电路故障概率。

四、典型应用场景

结合参数与特性,该型号广泛应用于:

  1. 消费电子:智能手机/平板的PMIC分压电阻、智能手表/手环的低功耗信号调理——小体积适配紧凑空间,耐电涌应对充电/开机浪涌;
  2. 工业控制:小型PLC、传感器模块的信号放大电路、IIoT终端通信接口——宽温适配户外 harsh环境,耐电涌抗现场干扰;
  3. 车载电子:车载显示屏背光控制、胎压监测(TPMS)辅助电阻——满足车载-40℃~+85℃要求,耐电涌应对点火/负载切换尖峰;
  4. 通信设备:小型路由器、无线模块的射频辅助电阻——0402封装适配高密度PCB,稳定阻值保障信号质量。

五、选型与使用注意事项

为保障性能与寿命,使用需注意:

  1. 功率降额:0402封装建议实际功率≤150mW(降额30%),避免长期满功率导致阻值漂移;
  2. 双重防护配合:关键电路(如电源输入)建议搭配TVS管、压敏电阻,实现电涌双重保护;
  3. 焊接规范:回流焊峰值≤260℃(持续≤10秒),手工焊≤350℃(时间≤3秒),避免高温损坏电阻层;
  4. 精度匹配:若需±0.5%高精度,可选同系列版本,但成本略有提升。

总结

ERJPA2F1003X是一款平衡小体积、宽温、耐电涌与成本的实用型厚膜电阻,针对需抗瞬时应力的常规电路场景,覆盖多领域,是高密度PCB设计中替代普通0402电阻的优选方案,能有效提升电路可靠性与设备寿命。

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