STW20N60M2 - 600V 20A N-Channel Power MOSFET | STMicroelectronics
料号： STW20N60M2 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.25 | $3.25 |
| 10 | $2.92 | $29.20 |
| 100 | $2.6 | $260.00 |
| 500 | $2.34 | $1,170.00 |
| 1,000 | $2.08 | $2,080.00 |
STW20N60M2 概述
A Power MOSFET is a type of field-effect transistor optimized for switching and amplification of power. It operates by controlling the conductivity between the drain and source terminals through an insulated gate voltage. Power MOSFETs are essential components in power electronics, serving as switches in DC-DC converters, AC-DC power supplies, motor drives, and inverters. They are preferred for their fast switching speeds, high input impedance, and low drive power requirements compared to bipolar junction transistors.
Key features of the STW20N60M2 include a low gate charge (Qg) of 45 nC, which reduces switching losses and enables high-frequency operation. The device also offers a fast body diode with low reverse recovery charge, making it suitable for bridge topologies. The MDmesh M2 technology provides an excellent figure of merit (RDS(on) x Qg), balancing conduction and switching losses for optimal efficiency.
The STW20N60M2 utilizes a vertical DMOS structure with a striped layout, optimizing current distribution and thermal performance. The TO-247 package offers a low thermal resistance of 0.5°C/W (junction-to-case), allowing efficient heat dissipation. The device is avalanche-rated, with an avalanche energy of 1.2 J, ensuring robustness in inductive load switching.
Typical applications include switch-mode power supplies (SMPS), power factor correction (PFC) circuits, solar inverters, and motor drives. The high voltage rating and low on-resistance make it ideal for 400V bus systems and 3-phase rectification. In PFC boost converters, the low gate charge enables high switching frequencies, reducing magnetic component size.
When designing with this device, ensure proper gate drive voltage (typically 10V to 15V) to achieve low RDS(on). A gate resistor may be needed to control switching speed and reduce EMI. Adequate heatsinking is essential for continuous operation at high currents, as power dissipation can exceed 100W in worst-case conditions.
直接替换替代料： STW20N60M2 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
STW20N60M2-EP
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STW20N60M2-1
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
IPW60R099P7
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
FCH20N60
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
TK20A60W
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STW20N60M2 最大额定值与电气特性
| Technology | MDmesh M2 |
| Drain-Source Voltage (VDS) | 600 V |
| Continuous Drain Current (ID) | 20 A at 25°C |
| Pulsed Drain Current (IDM) | 60 A |
| On-Resistance (RDS(on)) | 0.19 ohm typical |
| Gate-Source Voltage (VGS) | ±25 V |
| Gate Charge (Qg) | 45 nC |
| Input Capacitance (Ciss) | 1900 pF |
| Output Capacitance (Coss) | 120 pF |
| Reverse Transfer Capacitance (Crss) | 10 pF |
| Avalanche Energy (EAS) | 1.2 J |
| 工作温度范围 | -55°C to +150°C |
| 封装 | TO-247 |
| 安装类型 | Through Hole |
| RoHS 状态 | Compliant |
STW20N60M2 引脚配置
| 引脚 1 | Gate — Gate drive input |
| 引脚 2 | Drain — Drain connection |
| 引脚 3 | Source — Source connection |
安全工作区
典型应用
STW20N60M2 适用于 6 应用s: Switch-Mode Power Supplies (SMPS), Power Factor Correction (PFC), Solar Inverters, Motor Drives, Welding Equipment, Uninterruptible Power Supplies (UPS).
Switch-Mode Power Supplies (SMPS)
The STW20N60M2 is ideal for SMPS due to its 600V rating and low on-resistance. In a typical flyback or forward converter, the MOSFET switches at high frequency, and its low gate charge (45 nC) reduces switching losses. The low RDS(on) of 0.19 ohm minimizes conduction losses, improving overall efficiency. The TO-247 package allows efficient heat dissipation, enabling continuous operation at high power levels. Compared to lower-voltage MOSFETs, the 600V rating provides ample margin for voltage spikes in offline applications.
推荐
Power Factor Correction (PFC)
In boost PFC circuits, the STW20N60M2 operates at high switching frequencies to shape the input current waveform. Its low gate charge enables fast switching, reducing EMI and improving power factor. The device's avalanche ruggedness (1.2 J) ensures reliability during transient conditions. The 600V rating is suitable for universal input (85-265VAC) applications, where the boost output is typically 400V. The low on-resistance reduces conduction losses, which is critical for meeting efficiency standards like 80 PLUS.
推荐
Solar Inverters
The STW20N60M2 is used in solar inverter DC-DC boost stages and H-bridge inverters. Its high voltage rating (600V) handles the DC bus voltage from solar panels, which can reach 500V in series configurations. The low on-resistance minimizes losses, improving the overall efficiency of the inverter. The fast body diode reduces reverse recovery losses in bridge topologies. The TO-247 package allows for easy mounting on heatsinks, essential for outdoor installations where ambient temperatures can be high.
推荐
Motor Drives
In motor drive applications, the STW20N60M2 is used in the inverter stage to drive AC motors. Its 600V rating is suitable for 3-phase 400V systems. The low gate charge allows for high PWM frequencies, reducing motor noise and improving control accuracy. The avalanche energy rating ensures robustness during regenerative braking and inductive load switching. The device's low on-resistance reduces power dissipation, allowing for smaller heatsinks and more compact drive designs.
推荐
Welding Equipment
The STW20N60M2 is used in inverter-based welding machines, where it switches at high frequency to control the welding current. Its high voltage rating and low on-resistance enable efficient power transfer, reducing energy consumption. The device's ruggedness handles the harsh electrical environment of welding, including voltage spikes and high currents. The TO-247 package allows for effective cooling, ensuring reliable operation in continuous-duty welding applications.
推荐
Uninterruptible Power Supplies (UPS)
In UPS systems, the STW20N60M2 is used in the inverter and battery charger stages. Its 600V rating handles the DC bus voltage, and the low on-resistance ensures high efficiency, extending battery life. The fast switching capability reduces losses in high-frequency operation, allowing for smaller transformers and inductors. The device's reliability is critical for UPS applications, where downtime is unacceptable.
推荐
推荐产品汇总
工程参考数据： STW20N60M2 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | STW20N60M2-EP | IPW60R099P7 | FCH20N60 |
|---|---|---|---|---|
| Package | TO-247 | TO-247 | TO-247 | TO-247 |
| Brand | STMicroelectronics | STMicroelectronics | Infineon | onsemi |
| Drain-Source Voltage (VDS) | 600 V | 600 V | 600 V | 600 V |
| Continuous Drain Current (ID) | 20 A | 20 A | 20 A | 20 A |
| On-Resistance (RDS(on)) | 0.19 ohm | 0.19 ohm | 0.099 ohm | 0.19 ohm |
| Gate Charge (Qg) | 45 nC | 45 nC | 38 nC | 45 nC |
| Avalanche Energy (EAS) | 1.2 J | 1.5 J | 1.0 J | 1.0 J |
| Operating Temperature Range | -55°C to +150°C | -55°C to +150°C | -55°C to +150°C | -55°C to +150°C |
关键差异点
- Low on-resistance of 0.19 ohm （对比 IPW60R099P7)
- High avalanche energy of 1.2 J （对比 FCH20N60)
- MDmesh M2 technology （对比 TK20A60W)
设计说明
The STW20N60M2 can dissipate significant power in high-current applications. For example, at 20A and RDS(on) of 0.19 ohm, conduction losses are 76W. With a junction-to-case thermal resistance of 0.5°C/W, a heatsink with a thermal resistance of 0.5°C/W or better is required to keep the junction temperature below 150°C at 25°C ambient. Use thermal paste and proper mounting torque to ensure good thermal contact.
For TO-247 packages, ensure the leads are soldered with adequate copper area for heat sinking. The drain tab is electrically connected to the drain, so it may require isolation or connection to the appropriate node. Place gate drive components close to the gate pin to minimize parasitic inductance. Use a gate resistor (e.g., 10 ohm) to control switching speed and reduce EMI.
Do not exceed the maximum gate-source voltage of ±25V. Ensure the gate drive voltage is sufficient to fully enhance the MOSFET (typically 10V to 15V). Avoid operating in the linear region for extended periods, as this can cause excessive power dissipation. When paralleling devices, use separate gate resistors to prevent oscillations.
合规信息
RoHS compliant per STMicroelectronics. Not AEC-Q100 qualified as it is not an automotive-grade part.
