WMSIC Electronic Components

NCE NCE6003M

ModelNCE6003M
PackageSOT-89
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 Date code within 2 years

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
NCE NCE6003M
Type
NCE
Unit
Electronic Component
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
NCE
Electronic Component
NCE6003M
Electronic Component
1
Package
SOT-89
Type
1 N
Electronic Component
MOSFET
Electronic Component
0g
Electronic Component
1
Electronic Component
BM0225317131
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.7W
Electronic Component
Electronic Component
Electronic Component
1000
Voltage(Vdss)
60V

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

NCE6003M 产品概述

NCE6003M 是新洁能(NCE)出品的一款 60V 单通道 N 沟道增强型 MOSFET,采用 SOT-89 小封装,针对低功耗开关与驱动场景优化。器件在 4.5V 驱动下具有较低的导通电阻,适合 12V/24V 系统中的低侧开关、控制与功率管理等应用;同时封装与热耗散限制使其在小型化电路中具有良好性价比。

一、主要参数(关键信息)

  • 类型:N 沟道 MOSFET
  • 漏源耐压 Vdss:60 V
  • 连续漏极电流 Id:3 A
  • 导通电阻 RDS(on):120 mΩ @ Vgs = 4.5 V(在 Id = 3 A 条件下)
  • 功耗 Pd(耗散功率):1.7 W(器件热极限/封装相关)
  • 栅极阈值电压 Vgs(th):1 V @ ID = 250 μA
  • 总栅极电荷量 Qg:7.5 nC(测量条件 30 V)
  • 输入电容 Ciss:510 pF @ Vds = 30 V
  • 反向传输电容 Crss(Miller):26 pF
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:SOT-89-3
  • 品牌:NCE(新洁能)

二、性能特点与解读

  • 逻辑电平特性:Vgs(th) 典型为 1 V(250 μA),表明器件在低电压下即可导通,具有一定的逻辑电平兼容性。但厂商给出的 RDS(on) 为 4.5 V 测试值,说明要达到规格化的低阻抗需在接近 5 V 的栅压下驱动;在 3.3 V 驱动下导通电阻会明显上升,应评估实际损耗。
  • 中等导通电阻与小封装:120 mΩ 在 SOT-89 封装中属于可接受范围,适合中低功率场景。3 A 连续电流理论上可通过,但要注意封装热限和散热设计。
  • 适中开关特性:总栅电荷 Qg = 7.5 nC 和 Ciss = 510 pF 表明器件对驱动能力要求不高,易于用微控制器或小型驱动器驱动,开关速度中等,Crss = 26 pF 提示在开关瞬态时 Miller 效应不可忽视,需要在高速开关或高电压摆幅场合注意栅极回路设计。

三、典型应用场景

  • 12V / 24V 系统的低侧开关(继电器替代、功率开关)
  • LED 恒流或分组控制(中小功率 LED 驱动)
  • 电池管理与便携设备中的负载开关
  • 电源管理、DC-DC 低功率级的开关管或同步整流(需注意电流与热限)
  • 小型马达驱动、继电器驱动与电感性负载控制(配合续流二极管或RC 抑制)

四、热设计与封装注意

  • SOT-89 属于小型塑封,Pd = 1.7 W 表明在良好 PCB 散热条件下的最大耗散能力。以最大连续电流 3 A、RDS(on)=0.12 Ω 计算导通损耗约为 1.08 W(P = I^2·R),理论上低于 Pd,但接近热限;实际应用需考虑环境温度、PCB 铜厚与散热面面积,建议在布局上为引脚及底板设计较大散热铜箔并尽量靠近地平面散热。
  • 在长时间或高温工况下应进行功耗降额(derating),保持器件结温在安全范围内,避免长期靠近最大 Pd 工作。

五、电路设计建议

  • 栅极驱动:若目标为最低导通阻抗,建议栅压驱动在 4.5V 以上;若仅由 MCU(3.3V)直接驱动,需测量/验证在目标电流下的电压降和温升。为控制开关振铃与限流,可在栅极串入几十欧姆的阻尼电阻。
  • 感性负载保护:对电机或继电器等感性负载,应并联或单独放置续流二极管或 RC 抑制网络,防止反向峰值电压损坏 MOSFET。
  • 布局建议:缩短栅-驱线与漏-源回路,增大散热铜箔面积;在高频开关场合注意减小环路面积以降低 EMI。
  • 开关损耗与驱动功耗:Qg = 7.5 nC 表明在中低频率(比如数十 kHz 或更低)下栅极驱动损耗和瞬态电流要求不高;若高频切换,需要评估驱动器峰值电流能力与开关损耗。

六、选型建议与替代考量

  • 若应用电流接近或超过 2–3 A,建议评估热设计并考虑封装更大、RDS(on) 更低的器件;若仅需开关小载流,NCE6003M 在 SOT-89 下提供较好的封装与成本平衡。
  • 需在 3.3 V 驱动下获得低导通损耗时,应查看器件在 Vgs = 2.5–3.3 V 下的 RDS(on) 曲线,或选择专门标称“logic-level”且在 2.5–3.3 V 下 RDS(on) 明确很低的 MOSFET。

总结:NCE6003M 以 60V 耐压、120 mΩ(4.5V)导通电阻和 SOT-89 小封装定位于中低功率开关市场;在合理的热设计和合适的栅极驱动下,适合多种消费和工业级低压负载开关与功率管理应用。使用前请参照完整数据手册做更详细的热与开关性能评估。

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