WMSIC Electronic Components

ERJ3EKF1201V

ModelERJ3EKF1201V
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 ERJ3EKF1201V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ3EKF1201V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
1.2kΩ
Electronic Component
1
Electronic Component
BM0264567806
Operating Temperature
55℃~+155℃
Electronic Component
±100ppm/℃
Resistor Type
Resistor
Electronic Component
Electronic Component

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

ERJ3EKF1201V 松下厚膜贴片电阻产品概述

ERJ3EKF1201V是松下电子推出的0603封装通用厚膜贴片电阻,属于ERJ系列核心产品线,以稳定的性能、紧凑的尺寸和可靠的品牌品质,广泛应用于消费电子、工业控制、小型通信设备等场景。产品定位为“高性价比通用电阻”,兼顾精度、稳定性与成本,适配大多数中低功率电路的设计需求。

一、产品基本信息

ERJ3EKF1201V采用0603英制封装(对应公制1608,尺寸1.6mm×0.8mm),是目前市场应用最广泛的小型化封装之一。产品类型为厚膜电阻,通过陶瓷基片丝网印刷、高温烧结工艺制备,兼具抗冲击性与成本优势;阻值为1.2kΩ(标识代码1201),精度±1%,额定功率100mW,满足工业级与消费类电路的通用精度及功率需求。

二、核心技术参数详解

产品核心参数围绕“精度、功率、温度稳定性”三大维度设计,具体如下:

  1. 阻值与精度:阻值1.2kΩ(1200Ω),采用四位代码标识(1201)——前三位“120”为有效数字,第四位“1”表示乘10¹,精度±1%(符合E96系列电阻标准),可满足信号调理、分压电路等对阻值一致性要求较高的场景;
  2. 功率等级:额定功率100mW(0.1W),为0603封装标准功率,实际使用需降额至70%以下(≤70mW),避免长期过热导致性能漂移;
  3. 温度系数(TCR):±100ppm/℃,表示温度每变化1℃,阻值变化±100ppm(即0.01%)。在-55℃~+155℃范围内,最大阻值漂移约±1.2Ω(1.2kΩ×100ppm/℃×100℃),稳定性满足多数环境需求;
  4. 工作温度范围:-55℃~+155℃,覆盖工业级低温(如北方户外)与高温(如设备内部温升)场景,无需额外降额即可稳定工作。

三、设计特点与优势

ERJ3EKF1201V针对“小型化、可靠性、成本控制”痛点,具备以下优势:

  1. 厚膜工艺可靠性:陶瓷基片烧结电阻膜,抗机械振动、抗湿度性能优于薄膜电阻,且成本更低,适合批量应用;
  2. 紧凑封装适配高密度设计:0603封装可大幅减少PCB面积,适配智能手机、智能穿戴等便携设备的小型化需求;
  3. 精度与稳定性平衡:±1%精度+±100ppm/℃的TCR,在通用场景下性能足够,避免过度设计导致成本上升;
  4. 松下品牌一致性:生产工艺成熟,批次间阻值偏差小,满足量产设备的一致性要求。

四、典型应用场景

产品通用性能适配多种电路场景,核心应用包括:

  1. 消费电子:智能手机、平板电脑的信号滤波、电源分压、LED驱动偏置电路;
  2. 小型家电:智能遥控器、智能插座的控制电路、传感器接口电路;
  3. 工业控制:小型PLC辅助电路、传感器信号调理、低功率执行器驱动电路;
  4. 通信设备:小型基站、路由器的信号偏置、电源监控电路;
  5. 低功耗车载电路:车载USB限流、车内传感器信号处理电路(适配非严苛汽车级场景)。

五、环境适应性与可靠性验证

产品经过松下严格测试,满足以下可靠性要求:

  1. 温度循环:-55℃~+155℃循环100次,阻值漂移≤±0.5%;
  2. 湿度测试:85℃/85%RH环境放置1000小时,阻值变化≤±1%;
  3. 机械振动:符合IPC-9704标准(10~2000Hz,2g加速度),测试后性能无异常;
  4. 焊接可靠性:回流焊峰值温度240250℃(1030秒)后,焊接强度符合IPC-A-610标准。

六、选型与使用注意事项

为确保性能稳定,使用需注意:

  1. 功率降额:实际功率控制在70mW以内,避免长期过热;
  2. 焊接工艺:遵循松下推荐温度曲线(预热150180℃/60120秒,峰值240~250℃/≤30秒);
  3. 存储条件:未开封产品存于1535℃、4060%RH环境,开封后12个月内使用;
  4. 标识识别:阻值标识“1201”(120×10¹=1200Ω),需与“120Ω(1200)”三位代码区分,避免选型错误。

ERJ3EKF1201V作为松下通用型厚膜电阻,以平衡的性能与可靠品质,成为众多电子设备设计的首选元件,适配大多数中低功率、小型化电路需求。

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.