WMSIC Electronic Components

UTC 4N80L-TN3-R 4N80L

Model4N80L-TN3-R
PackageTO-252-2(DPAK)
BrandUTC
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
UTC 4N80L-TN3-R
Type
UTC
Minimum package
2500

Technical parameters

Electronic Component
UTC
Electronic Component
4N80L-TN3-R
Electronic Component
1
Package
TO-252-2(DPAK)
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.504g
Electronic Component
1
Electronic Component
BM0229983987
Power Dissipation(Pd)
50W
Electronic Component
2500
Voltage(Vdss)
800V
Capacitor(Ciss)
680pF
Output Capacitor(Coss)
75pF
Gate (Qg)
19nC@10V

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

4N80L-TN3-R 产品概述

一、产品简介

4N80L-TN3-R 是 UTC(友顺)推出的一款高耐压 N 沟道功率 MOSFET,封装为 TO-252-2(DPAK)。器件额定漏源电压 Vdss=800V,适合高压开关场合。器件面向中低电流、高耐压的开关应用,具有良好的耐压能力与便于表面贴装的封装形式,适用于离线电源和高压转换电路的开关元件选择。

二、主要参数

  • 类型:N 沟道 MOSFET
  • 漏源电压 Vdss:800V
  • 连续漏极电流 Id:4A(需按实际散热条件校核)
  • 最大耗散功率 Pd:50W(取决于散热与环境温度)
  • 导通电阻 RDS(on):3Ω @ Vgs=10V, Id=2A
  • 阈值电压 Vgs(th):5V
  • 栅极电荷 Qg:19nC @ Vgs=10V
  • 输入电容 Ciss:680pF;反向传输电容 Crss:8.6pF;输出电容 Coss:75pF
  • 封装:TO-252-2 (DPAK)
  • 数量:单只(示例规格)

三、产品特点与优势

  • 高耐压:800V 的耐压级别适合开关电源初级开关、反激/正激拓扑及高压电路应用。
  • 适配表贴封装:TO-252 (DPAK) 便于自动贴装与散热处理,适合中等功率的板级安装。
  • 低至3Ω 的导通电阻(在 Vgs=10V 下测得)在高耐压器件中属可接受范围,有利于降低导通损耗(但需注意为 Id=2A 时的测量条件)。
  • 中等栅极电荷(19nC)与输入电容(680pF),在中等开关频率下平衡了开关损耗与驱动要求。

四、典型应用场景

  • 离线开关电源(反激/准谐振等)初级功率开关
  • LED 驱动与照明电源(高压侧开关)
  • 工业电源与家电控制电路中需要高电压开关的场合
  • 保护电路及需耐受高压脉冲的开关单元

五、使用与布局建议

  • 栅极驱动:器件 Vgs(th)≈5V,建议采用 10V 以上栅压以达到标称 RDS(on);若采用 12–15V 驱动,需确认不超过器件最大 Vgs 限值(datasheet)。
  • 开关频率与驱动能力:Qg=19nC 表明在较高开关频率下对驱动器件(驱动电流)有一定要求,驱动器需能提供足够电流以快速充放电栅极,减少开关损耗。
  • 抗干扰与保护:为防止感性负载或寄生电感引起的过压,建议在漏极侧配置 RCD/snubber 或 TVS;同时在栅极串入合理的栅阻并并联下拉,抑制振铃与误触发。
  • 散热与封装:DPAK 的功耗散热依赖 PCB 铜箔与焊盘设计,应增大底部散热铜箔、使用热铜箔与过孔向多层散热层传导热量;在设计时按 Pd=50W 的额定值并结合实际环境温度、热阻求取安全工作点并进行热仿真或测试。
  • PCB 布局:尽量缩短功率回路导线长度,增大焊盘面积并提供良好接地,减少寄生电感与热阻。

六、选型注意事项

  • 导通损耗考量:RDS(on)=3Ω 相对较大,若电路长期在较高电流下工作会造成明显功耗,应评估是否匹配应用场景或考虑更低 RDS(on) 的替代品。
  • 测试条件核对:规格表给出的 RDS(on)、Id 等参数通常对应特定试验条件(如 Tc、温度),选型时需参考完整 datasheet 并注意温度漂移与极限参数。
  • 抗浪涌与击穿能力:高压器件在实际电路中可能承受瞬态能量,若没有明确的能量吸收规格,应在电路中加保护元件,避免器件在未受控的能量冲击下工作。

总结:4N80L-TN3-R 是一款面向高电压、低至中等电流应用的 N 沟道 MOSFET,适合离线电源初级开关与高压转换场合。选用时需结合驱动能力、散热条件与电路保护方案进行整体评估。若需完整电气特性和极限值,请参阅生产厂商完整 datasheet。

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