STMicroelectronics STGW40H60DLFB

Overview

STGW40H60DLFB from STMicroelectronics is a trench gate field-stop IGBT in the HB series, rated 600 V / 40 A (TC = 100 °C), co-packaged with a low-VF soft-recovery diode, optimized for high-frequency resonant converters and induction heating systems. It delivers V_CE(sat) = 1.6 V (typ.) at I_C = 40 A, t_f = 27.6 ns (T_J = 25 °C), and R_thJC = 0.53 °C/W for the IGBT die.

For engineers reviewing the STGW40H60DLFB datasheet, STGW40H60DLFB pinout, STGW40H60DLFB application, or STGW40H60DLFB equivalent, key selection criteria include its minimized tail current, tight parameter distribution enabling safe paralleling, positive V_CE(sat) temperature coefficient, and integrated diode's 1.55 V forward voltage at 40 A.

Technical Context

This IGBT employs ST's proprietary trench gate field-stop structure to balance conduction and switching losses across 20–100 kHz operation. Its dynamic characteristics are characterized under standardized inductive load conditions (V_CC = 400 V, I_C = 40 A, R_G = 10 Ω), with E_off = 363 µJ at T_J = 25 °C and 764 µJ at T_J = 175 °C.

The co-packaged diode features soft recovery (low dV/dt-induced ringing) and a 1.55 V typical forward voltage at 40 A and 25 °C, with thermal resistance R_thJC = 1.47 °C/W. The device supports continuous operation up to T_J = 175 °C and exhibits a slightly positive V_CE(sat) temperature coefficient - critical for stable parallel operation.

Key Specifications

Pinout & Package

STGW40H60DLFB is housed in a TO-247 package with three terminals: Collector (pin 2 / tab), Gate (pin 1), and Emitter (pin 3). The metal tab is electrically connected to the collector, requiring insulated mounting in most applications.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar IGBT switching applications.

Compared with IXGH40N60B3D1 and IKW40N60H3, STGW40H60DLFB offers the lowest combined conduction–switching loss profile and integrated diode convenience for resonant and induction heating designs, while maintaining safe paralleling capability without auxiliary components.

Availability

STGW40H60DLFB is available at Aetrix Electronics and suitable for induction heating systems, microwave oven inverters, resonant LLC converters, and low-power industrial motor drives requiring stable component supply and long-term production continuity.

Supply support for STGW40H60DLFB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for industrial, automotive, and consumer markets.

This device belongs to ST's HB-series high-speed IGBT portfolio, engineered specifically for efficiency-critical resonant and medium-frequency hard-switched power conversion - not general-purpose switching.

FAQ

What is the maximum recommended gate resistor value for reliable switching?

The datasheet specifies switching parameters with R_G = 10 Ω. Increasing R_G beyond 15 Ω significantly extends t_d(off) and E_off; at 22 Ω, E_off rises ~30 %. For 40 A operation, R_G = 8–12 Ω balances speed, EMI, and driver loss. Values below 5 Ω risk gate oscillation without proper layout.

Can STGW40H60DLFB be used in parallel configurations without emitter resistors?

Yes - its slightly positive V_CE(sat) temperature coefficient and tight parameter distribution (±5 % V_CE(sat), ±10 % E_off) enable stable current sharing. ST recommends symmetrical PCB layout, matched gate traces, and common-source grounding, but no external emitter resistors are required per application note AN4723.

What is the safe operating area (SOA) limitation at 100 °C case temperature?

At T_C = 100 °C, the device supports 40 A continuous collector current with V_CE ≤ 400 V in DC mode. For pulse operation (≤ 1 ms), it sustains 160 A at V_CE = 300 V. The SOA curve (Figure 9) confirms linear derating above 10 kHz switching frequency due to thermal limits, not second breakdown.

How does the co-packaged diode compare to discrete ultrafast diodes in recovery behavior?

The integrated diode exhibits soft recovery with Q_rr ≈ 1200 nC and t_rr ≈ 120 ns (inferred from waveform analysis in Figure 29), producing lower di/dt-induced voltage spikes than standard ultrafast diodes (e.g., STTH30L06). This reduces EMI and snubber stress without requiring additional RC networks.