WMSIC Electronic Components

Prisemi PNM523T201E0

ModelPNM523T201E0
PackageSC-75
BrandPRISEMI
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Prisemi PNM523T201E0
Type
PRISEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PRISEMI
Electronic Component
PNM523T201E0
Electronic Component
1
Package
SC-75
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.026g
Electronic Component
1
Electronic Component
BM0226527293
Power Dissipation(Pd)
140mW
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V
Capacitor(Ciss)
30pF
Output Capacitor(Coss)
13pF

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

PNM523T201E0 产品概述

一、产品简介

PNM523T201E0 是 Prisemi(芯导)推出的一款小功率 N 沟道场效应晶体管(MOSFET),面向便携设备与低压电源管理应用。器件耐压 20V,设计用于低电压、低电流场合的高效开关与电平控制,封装为紧凑的 SC-75,适合密集布板与自动贴装生产。

二、主要电气参数

  • 漏源电压 Vdss:20 V
  • 连续漏极电流 Id:1 A(在特定散热条件下)
  • 导通电阻 RDS(on):450 mΩ @ Vgs = 1.8 V
  • 最大耗散功率 Pd:140 mW(无额外散热条件下)
  • 阈值电压 Vgs(th):1.1 V(典型)
  • 输入电容 Ciss:30 pF
  • 反向传输电容 Crss:13 pF
  • 输出电容 Coss:13 pF
  • 封装:SC-75(小型三引脚封装)

三、主要特性与优势

  • 低电压驱动兼容:RDS(on) 在 Vgs=1.8V 下给出,适配 1.8V 逻辑直驱场景。
  • 小电容、快速开关:Ciss 和 Crss 值较小,有利于减小开关损耗与提高转换速度,适合脉冲或开关频率不太高的电源管理。
  • 封装紧凑:SC-75 适合空间受限的移动设备、消费电子产品与传感器节点。

四、典型应用场景

  • 电池供电设备的低侧开关与线路断开控制(开关式负载控制)
  • 便携设备电源路径管理、负载切换与保护电路
  • 1.8V 逻辑电平的电平移位或负载控制
  • 小电流LED 驱动、传感器或外围小电流开关场景

五、热设计与使用建议

尽管额定连续电流标称为 1 A,但器件的最大耗散功率仅 140 mW,需注意实际热限制。按导通损耗计算:

  • P_loss = I^2 × RDS(on)。当 I = 1 A 时,P_loss ≈ 0.45 W,明显超过 Pd(140 mW),不能在无散热情况下持续 1 A 输出。
    可用公式估算安全连续电流:I_max ≈ sqrt(Pd / RDS(on)) ≈ sqrt(0.14 / 0.45) ≈ 0.56 A(理想条件下)。实际应用应留有余量并考虑环境温度、PCB 散热与脉冲负载特性。
    推荐措施:在需要较大平均电流时改用更低 RDS(on) 与更高 Pd 的封装或加大散热铜箔;对脉冲负载,保证占空比和峰值电流在安全范围内。

六、驱动与开关注意

  • 阈值电压约 1.1 V,仅表示开始导通,非完全导通条件。若要求更低 RDS(on) 或更大电流,需提升 Vgs(参考器件完整数据表)。
  • 建议加门极电阻(如 10–100 Ω)抑制振铃并限制瞬态电流,必要时加肖特基二极管或 RC 抑制回路以减小开关应力。
  • Ciss = 30 pF,门极充电量小,驱动功率低,适合 MCU 直接驱动,但仍需考虑瞬态峰值电流。

七、封装与可靠性

SC-75 封装适配自动化贴装与回流焊工艺。器件为静电敏感器件,建议在生产与测试过程中采取 ESD 防护,遵循湿敏等级与回流曲线。长期可靠性受工作结温影响,设计时应对功耗进行热应力评估并留有裕量。

八、选型建议与替代

PNM523T201E0 适合低压、低至中等电流的开关场合;若系统有较高平均电流或需更低导通损耗,应选择 RDS(on) 更低、Pd 更高或更大封装的器件。设计前请参照完整数据手册获取脉冲允许值、热阻及详细特性曲线。

总结:PNM523T201E0 是一款面向低压、空间受限应用的 N 沟道 MOSFET,具有 1.8V 驱动兼容和低输入电容的优点,但在高电流场合受限于较高的 RDS(on) 与较低的耗散功率,使用时需重视热管理与工作点匹配。若需进一步电气特性曲线或推荐应用电路,请参考 Prisemi 官方数据手册或联系我们获取支持。

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