WMSIC Electronic Components

TK20A60W5,S5VX(M TK20A60W5

ModelTK20A60W5,S5VX(M
PackageTO-220-3
BrandTOSHIBA
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 23+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TOSHIBA TK20A60W5, S5VX(M
Type
TOSHIBA
Minimum package
50 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TOSHIBA
Electronic Component
TK20A60W5,S5VX(M
Electronic Component
1
Package
TO-220-3
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
2.284g
Electronic Component
1
Electronic Component
BM0265582870
Power Dissipation(Pd)
45W
Electronic Component
Electronic Component
Electronic Component
50
Voltage(Vdss)
600V
Capacitor(Ciss)
1.8nF

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

TK20A60W5,S5VX N沟道MOSFET产品概述

一、产品核心定位与身份

TK20A60W5,S5VX是东芝(TOSHIBA)推出的DTMOS4工艺N沟道功率MOSFET,核心规格为600V耐压、20A连续漏极电流,采用TO220通孔封装。该器件针对中高压、中等功率密度的开关应用场景优化,平衡了导通损耗、开关速度与可靠性,适用于工业电源、逆变器、电机驱动等领域。

二、关键电气参数深度解析

1. 耐压与电流能力

  • 漏源击穿电压(Vdss):600V:满足市电AC220V(峰值约311V)、AC380V(峰值约537V)等中高压应用的安全余量需求,可避免过压击穿风险。
  • 连续漏极电流(Id):20A:在25℃结温下可稳定承载20A连续电流,结合45W的耗散功率(Pd),实际应用需搭配散热片控制结温,避免热失控。

2. 导通损耗特性

  • 导通电阻(RDS(on)):150mΩ@10V:栅源电压(Vgs)为10V时,漏源导通电阻仅150毫欧,处于同电压等级MOSFET的优良水平。导通损耗公式为(P_{on}=I_d^2 \times R_{DS(on)}),20A电流下理论导通损耗为60W,但受限于45W的Pd,实际应用需将平均电流控制在合理范围(如15A左右,结合散热可适当提升)。

3. 开关性能参数

  • 栅极总电荷(Qg):55nC@10V:栅极总电荷是开关损耗的核心指标,55nC的低Qg值意味着驱动电路功耗低,开关速度快,适合高频(如几十kHz)开关电源应用。
  • 电容特性:输入电容(Ciss=1.8nF)、输出电容(Coss=45pF)、反向传输电容(Crss=5.5pF):Ciss影响栅极驱动的充电速度,Crss小可减少开关时的电压尖峰(米勒效应),降低EMI干扰风险。

4. 阈值电压

  • 阈值电压(Vgs(th)):3V:栅源电压大于3V时器件开始导通,兼容性强,可适配5V、10V等常见驱动电路(如MCU、专用驱动芯片),无需特殊高压驱动。

三、工艺与封装优势

1. DTMOS4工艺特点

东芝DTMOS4(第四代DMOS)工艺针对功率MOSFET的导通电阻与开关速度的 trade-off 优化:通过优化漂移区结构,在保持高耐压的同时降低导通电阻;同时减小栅极电容,提升开关效率,适合高频与中功率应用。

2. TO220封装优势

  • 通孔安装:便于手工或自动插件,适合传统电源、工业设备等场景;
  • 散热性能:TO220封装的引脚与散热面接触良好,搭配小型散热片即可满足45W功耗的散热需求;
  • 可靠性:封装结构抗机械应力能力强,适合恶劣环境下的长期使用。

四、典型应用场景

  1. 开关电源(SMPS):AC-DC电源(如220V转12V/24V大功率电源)、DC-DC变换器(如高压直流转低压直流);
  2. 逆变器:小型太阳能逆变器、家用应急逆变器(功率范围1-5kW);
  3. 电机驱动:小型交流/直流电机的驱动电路(如电动工具、小型家电电机);
  4. 工业控制:继电器替代(负载开关)、PLC输出模块、过流保护电路。

五、应用注意事项

  1. 栅极驱动安全:避免栅源电压(Vgs)超过器件最大允许值(通常±20V),防止栅极氧化层击穿;
  2. 散热设计:需根据实际功耗搭配散热片,结温不得超过器件最大结温(通常150℃);
  3. 开关尖峰抑制:Crss=5.5pF,开关时易产生电压尖峰,建议在漏源端并联RC吸收电路(如100Ω/1nF);
  4. 温度系数:RDS(on)随结温升高而增大(温度系数约0.5%/℃),应用中需考虑温度对导通损耗的影响。

该器件凭借均衡的性能与可靠的封装,成为中高压中等功率开关应用的高性价比选择。

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