WMSIC Electronic Components

Infineon BSC117N08NS5

ModelBSC117N08NS5
PackageTDSON-8(5x6)
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 BSC117N08NS5
Type
INFINEON
Minimum package
5000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
BSC117N08NS5
Electronic Component
1
Package
TDSON-8(5x6)
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.177g
Electronic Component
1
Electronic Component
BM0227714224
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
2.5W
Electronic Component
Electronic Component
Electronic Component
5000
Voltage(Vdss)
80V

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

BSC117N08NS5 — Infineon 80V N沟场效应管 产品概述

一、概述

BSC117N08NS5 是英飞凌(Infineon)推出的一款 80V N沟增强型MOSFET,封装为 TDSON-8 (5x6)。器件面向中高电压开关和功率管理应用,具有较低的导通电阻与适中的开关电荷,适合空间受限且要求高效率的电源设计。

二、主要性能参数

  • 漏源电压 Vdss:80 V
  • 连续漏极电流 Id:49 A
  • 导通电阻 RDS(on):11.7 mΩ @ Vgs=10 V
  • 阈值电压 Vgs(th):3.8 V
  • 总栅极电荷 Qg:15 nC @ 10 V
  • 输入电容 Ciss:1 nF;反向传输电容 Crss:11 pF;输出电容 Coss:180 pF
  • 功耗 Pd:2.5 W(封装限值)
  • 工作温度:-55 ℃ ~ +150 ℃
  • 封装:TDSON-8 (5x6)

三、栅极驱动与开关特性建议

为达到标称 RDS(on) 需采用接近 10 V 的门极电压。Qg=15 nC 属于中等水平,若要求快速开关(例如 t_r≈100 ns),驱动器需提供约 1.5 A 的开关电流(I ≈ Qg·Vdrive/tr),因此建议使用峰值驱动能力 ≥2 A 的栅极驱动器或适当选择门极电阻(10–33 Ω)以平衡切换损耗与电磁干扰。较小的 Crss(11 pF)有利于降低米勒效应,引起的误触发风险较低。

四、热管理与功率限制

封装静态耗散 Pd=2.5 W,表明在无明显散热时器件功耗受限。实际允许的连续电流 49 A 通常是在理想冷却条件(例如 Tc=25 ℃)下测得。TDSON-8 需要良好 PCB 散热设计:增加底部散热焊盘、加宽铜箔、使用多层过孔散热到内层/底层,并进行必要的温度仿真或实测以防止热失控。

五、典型应用

  • 同步整流与降压转换器(开关管或同步管)
  • DC-DC 电源、点对点电源模块
  • 电机驱动与功率开关应用(中小功率)
  • 负载开关与反向保护(配合栅极驱动与保护电路)

六、布局与使用要点

  • 栅极、源极回流走线尽量短,避免长环路产生寄生感抗。
  • 在 MOSFET 近旁放置低 ESR 的去耦电容,以降低开关尖峰。
  • 若系统工作在高频切换,考虑 RC 或 RCD 缓冲/吸收以抑制振铃与过压。
  • 注意不要超过器件允许的 Vgs(请参考完整规格书),并留有足够余量以应对瞬态。

七、结论与选型建议

BSC117N08NS5 在 80V 级别中提供较低的导通电阻和适中的开关特性,适合追求体积小、效率高且需较大连续电流的应用场景。若系统要求极低开关损耗或更高散热能力,可考虑更大封装或更低 RDS(on) 的器件;若对开关速度敏感,应匹配合适的驱动器与布局措施。

主要参数一览:80 V / 49 A / 11.7 mΩ@10 V / Qg 15 nC / Ciss 1 nF / 封装 TDSON-8。有关最大额定值、动态特性曲线及封装管脚配置,请参阅英飞凌官方数据手册以获得完整设计数据。

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