WMSIC Electronic Components

Infineon BF776H6327XTSA1

ModelBF776H6327XTSA1
PackageSOT-343-4
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 BF776H6327XTSA1
Type
INFINEON
Minimum package
3000 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
BF776H6327XTSA1
Electronic Component
1
Package
SOT-343-4
Electronic Component
Transistor(BJT)
Electronic Component
0.108g
Electronic Component
1
Electronic Component
BM0229349613
Operating Temperature
55℃~+150℃
Transistor Type
NPN
Frequency(f T)
46GHz
Power Dissipation(Pd)
200mW
Electronic Component
Electronic Component
Electronic Component
3000
Collector Current(Ic)
50mA

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

BF776H6327XTSA1 产品概述

一、产品简介

BF776H6327XTSA1 是英飞凌(Infineon)推出的一款高频小信号 NPN 晶体管,采用表面贴装 PG-SOT343-4(SOT-343-4)封装。该器件为低电压、低功耗射频用晶体管,结合高特征频率与较高直流电流增益,适合移动通信、射频前端及高频增益级等微波应用。

二、主要特性

  • 晶体管类型:NPN
  • 集电极电流(Ic):50 mA(最大额定电流)
  • 集–射击穿电压(Vceo):4.7 V
  • 功耗耗散(Pd):200 mW
  • 直流电流增益(hFE):180 @ Ic = 30 mA, Vce = 3 V(典型)
  • 特征频率(fT):46 GHz
  • 集电极截止电流(Icbo):1 nA(典型/最大小量级)
  • 发射结–基结击穿电压(Vebo):1.2 V
  • 工作温度范围:-55 ℃ 至 +150 ℃
  • 封装:PG-SOT343-4(表面贴装)

三、典型应用场景

  • 射频放大器(低噪声前级或功率驱动第一级)
  • 无线通信前端:收发机的小信号增益单元
  • 射频开关与混频器驱动
  • 高频信号放大与中频放大电路
  • 便携式低压射频设备

四、关键电气参数解读

  • fT = 46 GHz:表明器件在高频条件下仍具有良好增益,适合 GHz 级及以下频段的增益设计。
  • hFE = 180 @ 30 mA, 3 V:在较高偏流下仍保持较高直流增益,便于设计偏置电路以获得稳定增益。
  • Vceo = 4.7 V 与 Vebo = 1.2 V:器件耐压较低,须在低电压工作环境中使用,避免反向加在基-发射结或过高集电极-射极电压导致击穿。
  • Pd = 200 mW:封装与热阻限制了最大耗散能力,需通过合理 PCB 散热设计保证长期可靠性。

五、封装与热管理

SOT-343-4 小型表面贴装封装便于高密度布局,但热阻相对较大。在使用中建议:

  • 在 PCB 设计中增大底板散热铜箔面积,必要时在器件下方和周围添加散热通孔(thermal vias)。
  • 采用适当的焊盘尺寸与焊盘涂层工艺,确保良好焊接与热导出。
  • 在高偏流或连续工作的应用中,评估结温并留有足够余量以避免超温。

六、使用建议与注意事项

  • 低耐压限制:避免在 Vce 及 Veb 上出现瞬态过压,特别是在开关或电感负载场景中需做好钳位与缓冲。
  • 偏置稳定性:为确保 hFE 与噪声性能稳定,建议采用稳流或负反馈偏置电路,并注意温漂影响。
  • 静电防护:在装配和测试过程中应采取 ESD 防护措施,防止基极或集电极电荷损伤。
  • 器件参数以厂商数据手册为准,实际电路设计应参考完整的特性曲线与频率响应。

七、订购与技术支持

该器件品牌:Infineon(英飞凌);封装型号:PG‑SOT343‑4。具体订购编号 BF776H6327XTSA1 请参照英飞凌官方产品目录与库存信息。如需详细频率特性曲线、噪声参数或应用电路建议,可向供应商索取完整数据手册与参考设计资料,以便进行准确的电路仿真与优化。

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