WMSIC Electronic Components

Infineon BSS214NWH6327

ModelBSS214NWH6327
PackageSOT-323
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 BSS214NWH6327
Type
INFINEON
Minimum package
3000 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
BSS214NWH6327
Electronic Component
1
Package
SOT-323
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.026g
Electronic Component
1
Electronic Component
BM0258698093
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
500mW
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V

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

BSS214NWH6327 产品概述

一、产品简介

BSS214NWH6327 是英飞凌(Infineon)推出的一款小封装 N 沟道场效应管,采用 SOT-323 封装,针对空间受限的便携和消费电子设计。器件额定漏源电压 Vdss=20V,连续漏极电流 Id=1.5A(受封装散热限制需按温升计算),额定功耗 Pd=500mW,适合低压开关与负载切换应用。

二、关键电气参数

  • 类型:N 沟道 MOSFET(单片,数量:1)
  • Vdss:20 V
  • 连续 Id:1.5 A(封装受限)
  • RDS(on):250 mΩ @ Vgs = 2.5 V
  • Vgs(th):约 1.2 V(在 Id = 3.7 µA 条件下测得)
  • Qg(总栅极电荷量):800 pC @ Vgs = 5 V
  • 输入电容 Ciss:143 pF;输出电容 Coss:62 pF;反向传输电容 Crss:6 pF
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:SOT-323,品牌:Infineon

三、优势与适用场景

  • 小尺寸 SOT-323,适合空间受限的移动设备与便携式电路板。
  • 在 2.5 V 驱动下 RDS(on)=250 mΩ,适合逻辑电平驱动的电子负载开关、信号路由和功率管理。
  • 较小的 Ciss/Coss 有利于降低寄生开关能量,适合中低频开关;较低的 Qg(0.8 nC)使得驱动功率开销较小。
    典型应用:电池管理与保护、便携式电源开关、信号切换、低压电机/继电器驱动的前端开关、耗电管理电路。

四、设计与布局建议

  • 为达到标称 RDS(on),建议栅极驱动电压接近或大于 2.5 V;阈值仅为 1.2 V,单纯以阈值判断导通不足。
  • gate 布线需尽量短且宽,减少寄生电感与阻抗;驱动端可加小阻(例如 10–100 Ω)抑制振铃与限流。
  • 对感性负载建议并联续流或使用缓冲/吸收电路(TVS、RC 抑制器),以防止 Vds 峰值超过 20 V。
  • 由于封装热阻较大,应在 PCB 上增加铜箔散热、靠近器件的接地面与散热过孔,提高持续导通能力。

五、热与可靠性要点

  • 标称耗散功率 500 mW 为静态条件下封装极限,实际应用中需根据 PCB 散热能力和环境温度计算允许电流。
  • 工作温度覆盖 -55 ℃ 到 +150 ℃,适用于工业级温度需求,但长期高温运行会影响 RDS(on) 与寿命,应避免频繁高温循环。

六、选型与测试建议

  • 在选型时对照系统最大 Vds 与峰值电压,若存在高电压尖峰应增加保护元件或选择更高 Vdss 器件。
  • 测试时关注温升下的 RDS(on) 变化与热关断阈值;进行开关测试以评估驱动电流需求(Qg)与开关损耗。

总结:BSS214NWH6327 在微型封装中提供 20 V、1.5 A 等级的 N 沟 MOSFET 解决方案,适合逻辑电平驱动的负载开关与电源管理场景。合理的驱动与 PCB 热设计可充分发挥其体积小、驱动功耗低的优势。

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