WMSIC Electronic Components

Vishay MMB02070C4702FB200 Resistor MMB02070C4702FB200

ModelMMB02070C4702FB200
PackageMELF-0207
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
VISHAY MMB02070C4702FB200
Type
MELF-0207
Minimum package
2000 圆盘

Technical parameters

Power
1W
Electronic Component
Electronic Component
Electronic Component
VISHAY
Electronic Component
MMB02070C4702FB200
Electronic Component
1
Package
MELF-0207
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.11g
Electronic Component
47kΩ
Electronic Component
1
Electronic Component
BM0246759683
Operating Temperature
55℃~+155℃
Operating Voltage
350V
Electronic Component
±50ppm/℃
Resistor Type
Resistor

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

MMB02070C4702FB200 产品概述

一、产品简介

MMB02070C4702FB200 为 VISHAY(威世)出品的一款高稳定性薄膜电阻,采用 MELF‑0207(又称 2309)圆柱封装,标称阻值 47 kΩ,精度 ±1%,温度系数(TCR)±50 ppm/°C。该器件面向需要高精度、长期稳定性和苛刻环境耐受性的应用,具备硫化气氛抗性并满足汽车级 AEC‑Q200 要求,适合车载与工业领域使用。

二、主要电气与机械参数

  • 阻值:47 kΩ(1%)
  • TCR:±50 ppm/°C(薄膜工艺带来优良的温漂特性)
  • 额定功率:典型约 0.4 W(0207 MELF 系列常见额定);部分资料标注差异,请以器件数据手册为准
  • 最高工作电压:可达 350 V(具体应用时按最大允许电压与能耗计算)
  • 工作温度范围:-55 ℃ 至 +155 ℃
  • 封装:MELF‑0207(0207/2309),表面贴装,磁带卷带包装(T/R)

三、特点与优势

  • 高精度与低温漂:±1% 精度配合 ±50 ppm/°C 的温度系数,可满足精密分压、测量和参考网络的要求。
  • 良好的环境耐受性:硫化抗性设计适用于含 H2S 等硫化物的恶劣环境,延长失效前寿命。
  • 汽车级可靠性:通过 AEC‑Q200 认证,适合车载电子系统的可靠性与寿命要求。
  • MELF 封装稳定性:圆柱体贴片结构在某些高温循环与机械振动环境下表现优异,导热与应力分散良好。

四、典型应用场景

  • 汽车电子(传感器接口、ECU 精密分压与滤波网络)
  • 工业测量与控制(高精度采样阻抗、参考电阻)
  • 测试与仪表(低漂移、长期稳定性要求)
  • 任意要求抗硫化、耐振动和高温工作的电路板设计

五、设计与使用建议

  • 功率与温升:在实际电路中按额定功率与封装热阻进行功率余量设计,建议留有足够的功率裕度并避免持续满载工作以保证长期稳定性。
  • 电压降与绝缘:在高电压应用中注意器件上的电压降和爬电距离,避免超过最大工作电压。
  • 焊接与加工:遵循 VISHAY 的焊接曲线与回流规范;MELF 封装对贴片吸放料、拾放机头与卷带方向有要求,请在贴装工艺中确认元件取放方式以避免损伤。
  • 清洁与包装:避免使用对硫化保护层有腐蚀性的化学清洗剂,硫化抗性虽优但仍应遵循推荐工艺与储存条件。

六、总结

MMB02070C4702FB200 是一款适合高可靠性、精密测量与苛刻环境应用的薄膜 MELF 电阻。凭借 47 kΩ、1% 精度与 ±50 ppm/°C 的温漂性能,以及 AEC‑Q200 认证与硫化抗性,能在汽车与工业场景中提供稳定的阻值参考与长期可靠性。在 final 设计与采购前,建议查阅 VISHAY 最新数据手册以确认额定功率、回流温度曲线与其他详细规范。

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