WMSIC Electronic Components

ERJ3EKF3002V

ModelERJ3EKF3002V
Package0603
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 ERJ3EKF3002V
Type
PANASONIC
Minimum package
5000

Technical parameters

Power
100mW
Electronic Component
PANASONIC
Electronic Component
ERJ3EKF3002V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
30kΩ
Electronic Component
1
Electronic Component
BM0264567831
Operating Temperature
55℃~+155℃
Operating Voltage
150V
Electronic Component
±100ppm/℃
Resistor Type
Resistor
Electronic Component
5000

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

ERJ3EKF3002V 松下厚膜精密贴片电阻产品概述

一、产品核心身份与定位

ERJ3EKF3002V是松下(PANASONIC)推出的精密级厚膜贴片电阻,隶属于ERJ3E系列(0603封装规格)。该型号针对中高精度、小功率电子电路的稳定需求设计,兼顾工业级宽温适应性与批量生产的一致性,是消费电子、工业控制、汽车电子等领域的基础核心元件。其核心定位为“高性价比精密贴片电阻”,平衡了性能精度与成本控制,适合对阻值稳定性有要求但无需超高精度(如0.1%级)的应用场景。

二、关键技术参数解析

ERJ3EKF3002V的核心参数明确了其应用边界,关键指标如下:

  • 阻值与精度:标称阻值30kΩ(代码标识“3002”,即300×10²),精度±1%——满足多数信号调理、分压电路的阻值误差要求;
  • 功率与电压:额定功率100mW,额定工作电压150V——适合小功率信号电路(如传感器输出、微控制器I/O接口),实际使用需遵循降额原则;
  • 温度特性:温度系数(TCR)±100ppm/℃,工作温度范围-55℃~+155℃——在极端温度下(如汽车发动机舱、工业高温环境),阻值变化控制在可接受范围(100℃温差下阻值波动±1%);
  • 封装规格:0603(英制)/1608(公制)贴片封装——尺寸小巧(1.6mm×0.8mm),适配高密度PCB布局,支持自动化贴装。

三、核心性能优势

  1. 阻值稳定性强:采用松下成熟厚膜工艺,通过氧化铝陶瓷基底与高精度电阻浆料的结合,实现1000小时老化后阻值漂移≤0.5%;
  2. 宽温可靠性:工业级温度范围覆盖-55℃~+155℃,兼容汽车电子AEC-Q200标准,满足恶劣环境下的长期稳定运行;
  3. 一致性优异:批量生产时阻值偏差控制在±1%以内,减少电路调试复杂度,提升产品良率;
  4. 环保与焊接兼容:符合RoHS无铅标准,适配回流焊、波峰焊工艺,焊接后无虚焊、脱落风险,适配主流SMT生产线。

四、典型应用场景

ERJ3EKF3002V的参数特性使其适用于以下场景:

  • 消费电子:智能手机、平板电脑的传感器电路(加速度计、环境光传感器的分压/限流);
  • 工业控制:PLC输入输出接口、电机驱动信号调理电路;
  • 汽车电子:辅助驾驶雷达传感器接口、车载信息娱乐系统电源滤波;
  • 医疗设备:小型监测仪器(血糖检测仪)的信号放大电路;
  • 通信设备:基站射频前端辅助偏置电路、光纤收发器限流保护。

五、封装与可靠性设计细节

该型号采用0603贴片封装,结构设计兼顾小型化与可靠性:

  • 基底与电阻层:氧化铝陶瓷基底(导热性好)+ 厚膜电阻浆料(阻值均匀),避免高温下阻值突变;
  • 电极与保护层:三层电极结构(镍/铜/锡)提升焊接附着力,外层环氧树脂保护层防止湿度、灰尘侵蚀;
  • 焊接兼容性:回流焊温度曲线(峰值245℃±5℃)适配主流工艺,波峰焊时需注意引脚浸润性;
  • 存储要求:常温(15℃~35℃)干燥环境存储,开封后12个月内使用,避免受潮影响焊接性能。

六、选型与使用注意事项

  1. 降额使用:实际工作功率建议不超过额定值的80%(≤80mW),电压不超过150V,避免长期过载导致阻值漂移;
  2. 温度系数考量:高温环境(≥125℃)下,需预留阻值变化余量(每℃变化±0.01%);
  3. 焊接工艺:禁止手工焊接温度过高(>300℃),避免破坏电阻层;
  4. 静电防护:精密电阻易受静电损伤,贴装前需接地,操作工具需防静电。

ERJ3EKF3002V凭借稳定的性能、宽温适应性与高性价比,成为众多电子设备中精密小功率电阻的优选型号,适配从消费到工业级的多元应用需求。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.