WMSIC Electronic Components

VISHAY CRCW0805200KFKEA

ModelCRCW0805200KFKEA
Package0805
BrandVISHAY
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 23+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
VISHAY CRCW0805200KFKEA
Type
VISHAY
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
VISHAY
Electronic Component
CRCW0805200KFKEA
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.027g
Electronic Component
200kΩ
Electronic Component
1
Electronic Component
BM0246759380
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.

CRCW0805200KFKEA 厚膜贴片电阻产品概述

CRCW0805200KFKEA是VISHAY(威世) 旗下CRCW系列的核心厚膜贴片电阻,专为工业、通信、消费电子等领域的稳定信号处理与功率应用设计。其结合了0805封装的紧凑性、1%精度的可靠性及宽温工作范围,成为中低端电子电路的优选被动元件。

一、产品基本定位与型号标识

该电阻属于厚膜电阻范畴,通过丝网印刷将电阻浆料烧结在陶瓷基底上,兼具成本优势与性能稳定性。型号字符含义清晰:

  • CRCW:VISHAY厚膜贴片电阻系列代号;
  • 0805:封装尺寸(英制0.08″×0.05″,对应公制2.0mm×1.27mm);
  • 200K:标称阻值200kΩ;
  • F:精度等级±1%(VISHAY精度标识:F=±1%、G=±2%);
  • KEA:无铅端电极与环保标识(符合RoHS)。

二、核心性能参数详解

1. 阻值与精度

标称阻值200kΩ,±1%精度满足工业级电路的信号分压、反馈调节需求(如PLC模拟量输入模块、电源电压反馈环路)。批量生产中阻值偏差控制严格,一致性优于普通碳膜电阻。

2. 功率额定值

额定功率1/8W(125mW),是0805封装厚膜电阻的常规等级。实际应用需降额:环境温度超70℃时,155℃时需降额至30%(37.5mW),避免过热失效。

3. 温度系数(TCR)

±100ppm/℃,即温度每变1℃,阻值变化0.01%。例如25℃→155℃(变130℃),阻值最大变1.3kΩ,仍在1%精度内,适配高低温交替场景。

4. 工作温度范围

-55℃+155℃,远超商业级(0℃70℃),可适应户外设备、汽车辅助系统(如温度传感器电路)等极端环境。

三、封装与物理特性

1. 封装尺寸

0805封装(公制2012),体积紧凑(2.0mm×1.27mm×0.5mm),适配常规SMT生产线,适合高密度PCB设计(如智能手机主板、路由器模块)。

2. 结构与材质

  • 基底:96%氧化铝陶瓷,绝缘性、热稳定性优异;
  • 电阻体:厚膜钌基浆料,烧结后阻值稳定;
  • 端电极:三层无铅结构(镍/锡),焊接兼容性佳(回流焊、波峰焊适配);
  • 涂层:环氧树脂封装,防潮、防机械损伤。

四、典型应用场景

CRCW0805200KFKEA的参数特性使其广泛应用于:

  1. 工业控制:PLC、变频器的模拟量I/O模块,实现4-20mA信号转换;
  2. 通信设备:路由器、交换机的射频偏置电阻,WiFi模块信号衰减电阻;
  3. 消费电子:智能家居(智能门锁、温湿度传感器)的信号调理电路;
  4. 汽车电子:仪表盘背光控制、车载传感器(温度/压力)的分压电阻(部分批次符合AEC-Q200);
  5. 电源管理:DC-DC转换器反馈电阻、线性电源限流电阻。

五、品牌与可靠性优势

VISHAY作为全球被动元件龙头,该电阻具备:

  1. 负载寿命:125℃、额定功率下1000小时,阻值变化≤1%(符合IEC 60115-1);
  2. 环境适应性:85℃/85%RH湿度测试(1000小时,变≤2%)、振动测试(10-2000Hz,变≤0.5%);
  3. 环保合规:符合RoHS 2.0、REACH,无铅端电极避免焊接污染;
  4. 一致性:批量生产阻值、TCR偏差严格,适合大规模自动化生产。

六、选型与替换参考

1. 同系列替换

调整阻值可选CRCW0805系列(如199kΩ=CRCW0805199KFKEA、201kΩ=CRCW0805201KFKEA),封装/功率/精度一致。

2. 跨品牌替换

  • 国巨:RC0805FR-07200KL(同参数);
  • 村田:ERJ-2RKF2000X(同参数);
  • 松下:ERJ-2RKF2000V(同参数)。

替换需注意:端电极材质(无铅)、焊接兼容性、可靠性认证(汽车级需AEC-Q200)。

该电阻凭借性能与成本的平衡,成为电子设计中高频选用的被动元件,适用于对精度、温宽有基本要求但无需高端薄膜电阻的场景。

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.