WMSIC Electronic Components

Infineon BFP640ESDH6327

ModelBFP640ESDH6327
PackageSOT343
BrandInfineon
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
Infineon BFP640ESDH6327
Type
INFINEON
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
BFP640ESDH6327
Electronic Component
1
Package
SOT343
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.025g
Electronic Component
1
Electronic Component
BM0211621039
Operating Temperature
55℃~+150℃
Transistor Type
NPN
Frequency(f T)
45GHz
Power Dissipation(Pd)
200mW
Electronic Component
Electronic Component
Electronic Component
3000

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

BFP640ESDH6327 产品概述

一、产品简介

BFP640ESDH6327 是英飞凌(Infineon)推出的一款低噪声 SiGe 工艺 NPN 高频晶体管,采用 SOT343 表面贴装封装。器件针对射频前端与低噪声放大(LNA)应用优化,具备高频特性与良好的直流放大能力,适合在移动通信、无线局域网、射频模块和射频混频器等领域使用。单个器件数量:1个 NPN 晶体管。

二、主要参数

  • 晶体管类型:NPN(SiGe)
  • 最大集电极电流 (Ic):50 mA
  • 集—射极击穿电压 (Vceo):4.1 V
  • 最大耗散功率 (Pd):200 mW(封装限额,应按热设计降额)
  • 直流电流增益 (hFE):约 110(典型值)
  • 特征频率 (fT):45 GHz
  • 集电极截止电流 (Icbo):500 nA
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:SOT343

三、性能特点与优势

  • 低噪声:SiGe 工艺与器件设计可在小偏流下实现低噪声系数,适用于接收端低噪声放大器。
  • 高频性能优秀:45 GHz 的特征频率保证了在 GHz 级别应用中的增益与增益带宽积。
  • 中等功率能力:50 mA 的集电极电流与 200 mW 的耗散功率使器件既可用于小信号放大也能承担一定的线性度需求。
  • 宽工作温度:-55 ℃ 至 +150 ℃ 适应工业级和高温环境应用。

四、典型应用场景

  • 射频低噪声放大器(LNA)
  • 射频前端放大与缓冲
  • 混频器本振驱动或低噪声放大级
  • 无线通信发射/接收模块、高频测试设备
  • VCO、放大器链路中级放大器或驱动级

五、设计与使用建议

  • 偏置点选择:为兼顾噪声与线性度,常用静态集电极电流范围在 1–10 mA;实际值需结合噪声系数、增益及功耗平衡确定。
  • 热管理:SOT343 为小尺寸封装,200 mW 的耗散功率在无散热条件下受限。建议在 PCB 布局上提供散热垫和良好接地层,必要时对功率进行降额。
  • 射频匹配:在 GHz 频段使用时应设计输入输出匹配网络以优化噪声和增益。尽量缩短射频走线,使用低寄生元件,添加基极阻尼或小阻值基极电阻以提高稳定性,防止振荡。
  • 旁路与去耦:电源引脚应在靠近器件处做高频去耦,避免供电线感性带来不稳定。
  • 焊接与装配:SOT343 为常见表贴封装,按常规回流焊工艺处理;建议采用 ESD 防护措施以保护敏感结电荷(器件为射频晶体管,应视为易损器件)。

六、封装与可靠性

BFP640ESDH6327 提供 SOT343 表面贴装封装,体积小、便于高密度 PCB 集成。器件额定工作温度覆盖车辆与工业级要求,建议参考英飞凌官方数据手册获取完整的封装尺寸、引脚分配、热阻与可靠性测试数据以满足量产验证需求。

七、采购与资料

如需设计验证与量产,请参阅英飞凌官方数据手册获取详细引脚图、典型电路、S 参数、噪声系数曲线及封装机械图。购买时确认器件型号与批次,并在板级验证中关注热性能与 RF 匹配优化。

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