WMSIC Electronic Components

NCE NCE1502R

ModelNCE1502R
PackageSOT-223-3L
BrandNCE
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
NCE NCE1502R
Type
NCE
Minimum package
2500 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NCE
Electronic Component
NCE1502R
Electronic Component
1
Package
SOT-223-3L
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.232g
Electronic Component
1
Electronic Component
BM0229961268
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
2W
Electronic Component
Electronic Component
Electronic Component
2500
Voltage(Vdss)
150V
Capacitor(Ciss)
235pF

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

NCE1502R — N沟道功率场效应管产品概述

一、产品简介

NCE1502R 是 NCE(新洁能)出品的一款高压低功耗 N 沟道场效应管(MOSFET),单个器件适合中小功率、高压开关应用。器件额定漏源电压为 150V,连续漏极电流 2A,适用于需要在较高电压下进行开关或线性控制的场合。封装采用 SOT-223-3L,便于表面贴装和 PCB 散热优化。

二、主要参数

  • 数量:1 个 N 沟道
  • 漏源电压 (Vdss):150V
  • 连续漏极电流 (Id):2A
  • 导通电阻 (RDS(on)):300 mΩ @ Vgs = 10V(测试电流 1.5A)
  • 最大耗散功率 (Pd):2W
  • 阈值电压 (Vgs(th)):2.5V
  • 栅极电荷量 (Qg):8 nC @ 75V
  • 输入电容 (Ciss):235 pF @ 25V
  • 反向传输电容 (Crss):20 pF
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 品牌:NCE(新洁能)
  • 封装:SOT-223-3L

三、关键特性与优点

  • 高耐压:150V 的 Vdss 使器件能够在较高电压环境下可靠工作,适合离线电源或中等电压开关拓扑。
  • 中等电流能力:2A 的连续漏极电流配合 300 mΩ 的 RDS(on)(Vgs=10V)在中等功率场合具有较好的开关与导通性能。
  • 低栅极电荷:Qg=8nC 表明在开关频率不太高的场合开关损耗可控,驱动负担适中。
  • 适合 SOT-223 封装的 PCB 散热与机械安装,便于小型电源模块设计。

四、封装与热管理建议

  • 封装:SOT-223-3L,适合表面贴装且便于与 PCB 大铜箔形成散热通道。
  • 热耗散:器件 Pd 标称 2W,实际可散热能力依赖 PCB 铜面积与层间热通道设计。建议在 PCB 上为器件引脚与底部铜箔预留较大面积以降低结壳温升。
  • 工作温度:器件额定工作温度范围为 -55 ℃ 到 +150 ℃,在高结温下需要注意长期可靠性与参数漂移。

五、电路应用与驱动建议

  • 栅极驱动:由于 RDS(on) 以 Vgs=10V 给出,建议使用 10~12V 的栅极驱动电压以获得理想导通电阻;仅用逻辑电平(如 3.3V 或 5V)直驱可能无法达到标注 RDS(on)。
  • 开关频率考虑:Qg=8nC 与 Ciss=235pF 表明在数十 kHz 或更高频率下驱动损耗需关注,驱动器需提供足够电流以快速充放栅极电荷,减少开关损耗。
  • 驱动并联电阻:为抑制振铃与控制开关速率,建议在栅极加串联小电阻(例如几十欧姆,需根据系统实际波形调整)。
  • 感性负载保护:用于驱动感性负载或有较强开关过压风险时,应配合吸收电路(RC、RCD)或瞬态抑制器(TVS)以防止电压击穿或器件应力过大。
  • 线性工作注意:若用于线性调节,须注意功率耗散 Pd 与结温上升,必要时采用更大散热面积或降低工作电压差。

六、可靠性与使用注意事项

  • ESD 与安装:MOSFET 对静电较敏感,装配与测试时应采取防静电措施。焊接时遵循合适的回流曲线以避免过高的封装应力。
  • 参数校验:设计前建议基于应用条件(频率、占空比、环境温度、PCB 散热)对导通损耗与开关损耗进行估算,必要时向厂家索取完整 datasheet 以确认极限参数(Vgs(max)、脉冲电流、击穿能量等)。
  • 长期偏置与热循环:在高结温或频繁热循环环境下,应评估 RDS(on) 随温度变化与器件长期漂移对系统性能的影响。

七、典型应用场景

  • 离线或高压 DC-DC 拓扑中的开关器件(例如反激、正激小功率段)
  • LED 驱动恒流/开关场合(中功率 LED 照明)
  • 中低功率电源管理、开关控制、负载开关
  • 小功率电机驱动或保护电路(需注意峰值电流与保护)

总结:NCE1502R 是一款针对中等电压(150V)与中等电流(2A)应用优化的 N 沟道 MOSFET,SOT-223 封装便于中小型电源与开关电路的封装与散热。选型时应结合实际驱动电压、开关频率与热设计,并在关键场景下采用必要的过压、过流及热保护措施。若需详细极限参数与原理图建议,建议参阅完整技术资料或联系厂商技术支持。

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