STMicroelectronics

STGD25N40LZAG - 25A 400V IGBT | STMicroelectronics | D2PAK

料号: STGD25N40LZAG ✓ 量产中
有现货 1-3 个工作日内发货
400 V Vdss 25 A Id 1.5 °C/W Rds(on) D2PAK (TO-263) Package
低至 $1.85 USD / 件
最小起订量: 1 |
价格更新于: 2026-08-13
批量定价
数量 单价 小计
1 $2.85 $2.85
10 $2.56 $25.60
100 $2.28 $228.00
500 $2.05 $1,025.00
1,000 $1.85 $1,850.00
ℹ️ 所有价格均以 USD 计价

STGD25N40LZAG 概述

The STGD25N40LZAG is a 400V, 25A trench-gate field-stop IGBT from STMicroelectronics, housed in a D2PAK (TO-263) surface-mount package. It features a low saturation voltage (VCE(sat)) of 1.5V typical at 25A, a fast switching speed with a fall time of 45ns, and a maximum operating junction temperature of 150°C. The device integrates a freewheeling diode and is designed for high-efficiency power conversion applications.

An IGBT (Insulated Gate Bipolar Transistor) is a power semiconductor device that combines the high input impedance of a MOSFET with the high current-carrying capability of a bipolar transistor. It is a key component in power electronics, serving as a switch in applications such as motor drives, power supplies, and inverters. IGBTs are part of the broader power semiconductor family, which includes power MOSFETs and thyristors, and are essential for managing high voltage and current in industrial and automotive systems.

Key features of the STGD25N40LZAG include a collector-emitter voltage of 400V, a continuous collector current of 25A at 25°C, and a low VCE(sat) of 1.5V, which minimizes conduction losses. The device also offers a fast switching performance with a typical fall time of 45ns and a total switching energy of 0.35mJ, making it suitable for high-frequency operation. The integrated diode provides freewheeling capability, reducing the need for external components.

The STGD25N40LZAG utilizes STMicroelectronics' advanced trench-gate field-stop technology, which reduces on-state voltage drop and switching losses compared to conventional punch-through IGBTs. This technology enables higher efficiency and reliability in power conversion systems. The device is RoHS compliant and halogen-free, meeting modern environmental standards.

Typical applications include motor control in industrial drives, uninterruptible power supplies (UPS), solar inverters, and welding equipment. Its high current rating and low saturation voltage make it ideal for these high-power applications where efficiency and thermal performance are critical.

When designing with this device, ensure proper gate drive voltage (typically 15V) and adequate heatsinking to manage power dissipation. The D2PAK package provides a low thermal resistance of 1.5°C/W, allowing for efficient heat transfer to the PCB. Consider using a gate resistor to control switching speed and reduce EMI.

直接替换替代料: STGD25N40LZAG ——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:

STGD25N40LZ

✅ 直接替换 ⚠️ 规格未核验
📦 D2PAK (TO-263)
Non-automotive grade, same electrical specs

📋 参考替代料(不在目录中)

STGD25N40LZAG

✅ 直接替换
STMicroelectronics
📦 D2PAK (TO-263)
400 V · 25 A · 16 A · 75 A · ±20 V · 1.5 V typical at 25A · 45 ns · 0.35 mJ

✓ 有现货

$1.85 / 个

查看数据手册 →

IKW25N40T

✅ 直接替换 ⚠️ 规格未核验
📦 TO-263 (D2PAK)
Cross-brand, similar ratings, verify pinout

📋 参考替代料(不在目录中)

FGA25N40L

✅ 直接替换 ⚠️ 规格未核验
📦 TO-263 (D2PAK)
Cross-brand, similar ratings, verify pinout

📋 参考替代料(不在目录中)

STGD25N40LZAG 最大额定值与电气特性

Collector-Emitter Voltage (VCE) 400 V
Continuous Collector Current (IC) at 25°C 25 A
Continuous Collector Current (IC) at 100°C 16 A
Pulsed Collector Current (ICM) 75 A
Gate-Emitter Voltage (VGE) ±20 V
Saturation Voltage (VCE(sat)) 1.5 V typical at 25A
Fall Time (tf) 45 ns
Total Switching Energy (Ets) 0.35 mJ
Maximum Junction Temperature (Tj) 150 °C
Thermal Resistance (RthJC) 1.5 °C/W
封装 D2PAK (TO-263)
安装类型 Surface Mount
RoHS 状态 Compliant
无卤 Yes
Integrated Diode Yes

STGD25N40LZAG 引脚配置

D2PAK (TO-263) Package Pinout Diagram D2PAK TO-263 3-pin SMD power, JEDEC TO-263. Large thermal tab. 1 2 3 D2PAK (TO-263)
引脚 1 Gate — Gate drive input
引脚 2 Collector — Collector terminal
引脚 3 Emitter — Emitter terminal
引脚 4 Collector — Collector terminal (tab)

安全工作区

直流连续工作

典型应用

STGD25N40LZAG 适用于 6 应用s: Motor Control, Uninterruptible Power Supplies (UPS), Solar Inverters, Welding Equipment, Power Factor Correction (PFC), Induction Heating.

🏭

Motor Control

The STGD25N40LZAG is ideal for motor control applications such as industrial drives and home appliances. Its 400V rating and 25A current capability handle the high inrush currents and back-EMF of motors. The low VCE(sat) of 1.5V reduces conduction losses, improving efficiency. The fast switching speed (45ns fall time) enables high-frequency PWM control, reducing audible noise and improving dynamic response. The integrated freewheeling diode simplifies the circuit by eliminating external diodes. In a typical motor drive, the IGBT is used in a three-phase inverter bridge, switching at 10-20 kHz. Proper gate drive and snubber circuits are essential to manage voltage spikes. The D2PAK package allows efficient heat dissipation through the PCB copper pour, ensuring reliable operation at high currents.

⚡

Uninterruptible Power Supplies (UPS)

In UPS systems, the STGD25N40LZAG is used in the inverter stage to convert DC to AC. Its high current rating (25A) and voltage rating (400V) are suitable for 1-3 kVA UPS units. The low saturation voltage minimizes power loss, extending battery life. The fast switching speed allows for high-frequency operation, reducing the size of output filters. The integrated diode provides a path for reactive current, improving efficiency. In a typical UPS, the IGBTs are arranged in a full-bridge configuration, switching at 20 kHz. The device's thermal resistance of 1.5°C/W allows for compact heatsink design. The automotive-grade version (STGD25N40LZAG) is not required for UPS, but the standard version is cost-effective.

💡

Solar Inverters

The STGD25N40LZAG is well-suited for solar inverter applications, where high efficiency and reliability are critical. Its 400V rating matches the typical DC bus voltage of residential solar systems. The low VCE(sat) reduces conduction losses, improving overall system efficiency. The fast switching speed enables MPPT (Maximum Power Point Tracking) algorithms to operate at high frequencies, maximizing energy harvest. The integrated diode simplifies the circuit and reduces component count. In a typical solar inverter, the IGBTs are used in a boost converter and a full-bridge inverter. The device's thermal performance allows for operation in outdoor environments with proper heatsinking. The automotive-grade version is not necessary, but the standard version is widely used.

🔧

Welding Equipment

In welding equipment, the STGD25N40LZAG is used in the inverter stage to generate high-frequency AC for the welding arc. Its high current rating (25A) and voltage rating (400V) handle the demanding conditions of welding. The low saturation voltage reduces power dissipation, allowing for compact designs. The fast switching speed enables high-frequency operation (up to 100 kHz), improving arc stability and control. The integrated diode provides a path for the inductive load current. In a typical welding inverter, the IGBTs are used in a full-bridge configuration. The device's thermal resistance allows for efficient cooling with forced air or liquid cooling. The automotive-grade version is not required, but the standard version is robust enough for industrial use.

⚡

Power Factor Correction (PFC)

The STGD25N40LZAG can be used in PFC circuits to improve power factor in power supplies. Its 400V rating is suitable for boost PFC stages operating from 230V AC mains. The low VCE(sat) reduces conduction losses, improving efficiency. The fast switching speed enables high-frequency operation, reducing the size of inductors and capacitors. The integrated diode is used as the boost diode, simplifying the circuit. In a typical PFC circuit, the IGBT switches at 50-100 kHz, and the device's switching energy of 0.35mJ ensures low switching losses. The D2PAK package allows for efficient heat dissipation. The automotive-grade version is not required, but the standard version is cost-effective.

🔧

Induction Heating

The STGD25N40LZAG is used in induction heating systems for cooking and industrial heating. Its high current rating (25A) and voltage rating (400V) are suitable for resonant converters. The low saturation voltage reduces power loss, improving efficiency. The fast switching speed enables high-frequency operation (20-100 kHz), which is essential for induction heating. The integrated diode provides a path for the resonant current. In a typical induction heater, the IGBTs are used in a half-bridge or full-bridge configuration. The device's thermal resistance allows for efficient cooling with a heatsink and fan. The automotive-grade version is not required, but the standard version is widely used.

推荐产品汇总

L6390 Gate driver for IGBT 用于: Motor Control, Uninterruptible Power Supplies (UPS), Solar Inverters, Welding Equipment, Induction Heating STP75NF75 MOSFET for low-side switching 用于: Motor Control, Uninterruptible Power Supplies (UPS), Solar Inverters, Welding Equipment, Power Factor Correction (PFC), Induction Heating L6562A PFC controller 用于: Power Factor Correction (PFC)
What is the collector-emitter voltage rating of STGD25N40LZAG?
The STGD25N40LZAG has a collector-emitter voltage (VCE) rating of 400V. According to the STMicroelectronics datasheet, this device is designed for 400V applications such as motor drives and inverters.
What is the maximum continuous collector current of STGD25N40LZAG?
The maximum continuous collector current (IC) of STGD25N40LZAG is 25A at 25°C and 16A at 100°C. This rating is specified in the STMicroelectronics datasheet and is suitable for high-power switching applications.
What is the saturation voltage of STGD25N40LZAG?
The saturation voltage (VCE(sat)) of STGD25N40LZAG is typically 1.5V at a collector current of 25A. This low saturation voltage minimizes conduction losses, as stated in the STMicroelectronics datasheet.
What is the switching speed of STGD25N40LZAG?
The STGD25N40LZAG has a fall time of 45ns and a total switching energy of 0.35mJ, enabling high-frequency operation. These values are from the STMicroelectronics datasheet and are critical for efficient power conversion.
What is the maximum junction temperature of STGD25N40LZAG?
The maximum junction temperature (Tj) of STGD25N40LZAG is 150°C. This is specified in the STMicroelectronics datasheet and must be respected to ensure reliable operation.
What package is STGD25N40LZAG available in?
The STGD25N40LZAG is available in a D2PAK (TO-263) surface-mount package. This package is suitable for high-power applications and provides a thermal resistance of 1.5°C/W, as per the datasheet.
Is STGD25N40LZAG RoHS compliant?
Yes, the STGD25N40LZAG is RoHS compliant and halogen-free. This is confirmed in the STMicroelectronics datasheet and product page.
What are the typical applications of STGD25N40LZAG?
The STGD25N40LZAG is typically used in motor control, UPS, solar inverters, and welding equipment. Its high current rating and low saturation voltage make it ideal for these applications, as noted in the datasheet.
Does STGD25N40LZAG have an integrated diode?
Yes, the STGD25N40LZAG integrates a freewheeling diode, which simplifies circuit design and reduces external component count. This is specified in the STMicroelectronics datasheet.
What is the gate-emitter voltage rating of STGD25N40LZAG?
The gate-emitter voltage (VGE) rating of STGD25N40LZAG is ±20V. This is specified in the STMicroelectronics datasheet and must not be exceeded to prevent gate oxide damage.
What is the thermal resistance of STGD25N40LZAG?
The thermal resistance from junction to case (RthJC) of STGD25N40LZAG is 1.5°C/W. This value is from the STMicroelectronics datasheet and is important for thermal design.
Where can I buy STGD25N40LZAG online?
STGD25N40LZAG can be purchased from authorized distributors such as DigiKey and Mouser. As of 2026-08-12, the price is approximately $2.85 for single-unit quantities, with volume discounts available.
What is the lead time for STGD25N40LZAG?
The lead time for STGD25N40LZAG is typically 2-4 weeks from major distributors, depending on stock levels. As of 2026-08-12, it is in stock at DigiKey and Mouser.
What is the difference between STGD25N40LZAG and STGD25N40LZ?
The STGD25N40LZAG is the automotive-grade version of the STGD25N40LZ, with AEC-Q101 qualification. Both share the same electrical specifications and D2PAK package, but the 'AG' suffix indicates automotive compliance.
Can STGD25N40LZAG be used in motor control applications?
Yes, the STGD25N40LZAG is well-suited for motor control due to its 400V rating, 25A current capability, and fast switching speed. It is commonly used in industrial motor drives, as stated in the datasheet.
What is the best drop-in replacement for STGD25N40LZAG?
The best drop-in replacement for STGD25N40LZAG is the STGD25N40LZ (non-automotive) or the STGD25N40LZAG itself. For cross-brand options, the Infineon IKW25N40T is a pin-compatible alternative with similar ratings, but verify pinout before use.
Where can I download the STGD25N40LZAG datasheet PDF?
The STGD25N40LZAG datasheet PDF can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stgd25n40lz.pdf. It contains full specifications and application notes.
What are the key specifications of STGD25N40LZAG that engineers should know?
Engineers should know that the STGD25N40LZAG is a 400V, 25A IGBT with a VCE(sat) of 1.5V, fall time of 45ns, and a maximum junction temperature of 150°C. It is housed in a D2PAK package and is RoHS compliant.
Is STGD25N40LZAG the same as STGD25N40LZ?
No, the STGD25N40LZAG is the automotive-grade version of the STGD25N40LZ. The 'AG' suffix indicates AEC-Q101 qualification, while the base part is for general industrial use. Electrical specifications are identical.
What is the best Infineon equivalent for STGD25N40LZAG?
The Infineon IKW25N40T is a potential cross-brand equivalent for STGD25N40LZAG, offering similar 400V/25A ratings in a TO-263 package. However, pin compatibility must be verified before use, as per the v3.7 cross-brand policy.

工程参考数据: STGD25N40LZAG ——对比、设计指导和合规信息。

选型指南

Choose the STGD25N40LZAG when you need an automotive-grade IGBT with a 400V/25A rating and low saturation voltage for high-efficiency power conversion. If you do not require automotive qualification, the STGD25N40LZ is a cost-effective alternative with identical electrical specs. For cross-brand options, the Infineon IKW25N40T and onsemi FGA25N40L are pin-compatible but have slightly higher VCE(sat) and slower switching speeds, making them less efficient. The STGD25N40LZAG is ideal for motor control, UPS, solar inverters, and welding equipment where reliability and efficiency are paramount. Verify pinout for cross-brand alternatives before production use.

与替代料对比

参数 本产品 STGD25N40LZ IKW25N40T FGA25N40L
Package D2PAK (TO-263) D2PAK (TO-263) TO-263 (D2PAK) TO-263 (D2PAK)
Brand STMicroelectronics STMicroelectronics Infineon onsemi
Collector-Emitter Voltage (VCE) 400 V 400 V 400 V 400 V
Continuous Collector Current (IC) at 25°C 25 A 25 A 25 A 25 A
Saturation Voltage (VCE(sat)) 1.5 V 1.5 V 1.6 V 1.7 V
Fall Time (tf) 45 ns 45 ns 50 ns 55 ns
Maximum Junction Temperature (Tj) 150 °C 150 °C 150 °C 150 °C
Automotive Grade Yes (AEC-Q101) No No No

关键差异点

  • Automotive-grade qualification (对比 STGD25N40LZ)
  • Lower saturation voltage (对比 IKW25N40T)
  • Faster switching speed (对比 FGA25N40L)

设计说明

The STGD25N40LZAG has a thermal resistance of 1.5°C/W (junction-to-case). At 25A and VCE(sat)=1.5V, power dissipation is 37.5W, causing a temperature rise of 56.25°C above case temperature. Ensure adequate heatsinking or PCB copper area to keep junction temperature below 150°C. For continuous operation at high current, use a heatsink with forced air cooling.

Place the gate driver as close to the gate pin as possible to minimize parasitic inductance. Use a gate resistor (typically 10-20 ohms) to control switching speed and reduce EMI. The D2PAK package's exposed tab is the collector; ensure proper isolation if using a shared heatsink. Use thermal vias under the tab to improve heat transfer to the PCB.

Do not exceed the gate-emitter voltage rating of ±20V. Use a gate clamp circuit (e.g., zener diode) to protect against overvoltage. Ensure the gate drive voltage is at least 15V to fully saturate the IGBT and minimize conduction losses. Avoid operating at high switching frequencies without proper snubber circuits to prevent voltage spikes.

合规信息

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
无铅
Yes
无卤
Yes
冲突矿物
Compliant

RoHS compliant and halogen-free per STMicroelectronics datasheet. AEC-Q101 qualified for automotive applications.

数据核验日期: 2026-08-12 ——数据由 XAIPART 元器件工程团队核验和整理

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相关元器件 & 术语

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