STMicroelectronics STGYA120M65DF2AG

Overview

STGYA120M65DF2AG from STMicroelectronics is an AEC-Q101-qualified automotive-grade trench gate field-stop IGBT with 650 V V_CES, 120 A continuous collector current at T_C = 100 °C, 1.65 V typical V_CE(sat) @ 120 A, and 6 µs short-circuit withstand time at T_J = 150 °C. It integrates a soft, fast-recovery antiparallel diode and targets high-reliability traction inverter and HV battery disconnect systems.

For engineers reviewing the STGYA120M65DF2AG datasheet, STGYA120M65DF2AG pinout, STGYA120M65DF2AG application, or STGYA120M65DF2AG equivalent, this device is selected for electric vehicle main inverters requiring tight V_CE(sat) distribution, positive temperature coefficient for safer paralleling, and robust 175 °C junction operation under pulsed overload conditions.

Technical Context

This IGBT employs ST's proprietary M-series trench gate field-stop structure optimized for low conduction loss and controlled switching behavior in 400–520 V DC-link traction inverters. Its design features a positive V_CE(sat) temperature coefficient and tightly distributed static parameters to enable stable parallel operation without current-sharing resistors.

The integrated diode delivers soft reverse recovery with t_rr = 202 ns (T_J = 25 °C) and Q_rr = 2.9 µC, minimizing voltage overshoot and EMI during commutation. Thermal performance is enhanced by R_thJC = 0.24 °C/W (IGBT) and R_thJC = 0.6 °C/W (diode), supporting high-power density packaging in Max247 long leads format.

Key Specifications

Pinout & Package

STGYA120M65DF2AG is housed in the Max247 long leads package - a through-hole, insulated baseplate variant with 3-tab layout (Collector, Gate, Emitter) and creepage/clearance compliant with automotive isolation requirements. The package supports direct mounting to heatsinks via the insulated collector tab and enables high-current PCB routing with extended lead length for thermal relief.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IXGN120N65A4 and IKW120N65ES5, STGYA120M65DF2AG offers superior short-circuit ruggedness and integrated diode softness-critical for traction inverters-while maintaining tighter V_CE(sat) distribution for parallel reliability.

Availability

STGYA120M65DF2AG is available at Aetrix Electronics and suitable for electric vehicle traction inverters, HV battery disconnect systems, and onboard charger PFC stages requiring stable component supply, AEC-Q101 compliance, and 175 °C junction operation.

Supply support for STGYA120M65DF2AG 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, specializing in automotive, power, and microcontroller technologies with vertical manufacturing and broad automotive qualification coverage.

This device belongs to ST's M-series IGBT portfolio-engineered specifically for EV traction inverters where low-loss conduction, short-circuit robustness, and thermal stability at 175 °C are mandatory design constraints.

FAQ

What is the maximum recommended gate resistor value for reliable turn-on at 175 °C junction temperature?

The datasheet specifies t_d(on) = 62 ns and t_r = 48 ns at T_J = 175 °C with R_G = 4.7 Ω. Increasing R_G beyond 6.8 Ω extends turn-on time nonlinearly and risks shoot-through in half-bridge configurations; 4.7 Ω is the validated upper limit for 15 V gate drive in automotive inverters.

Does STGYA120M65DF2AG support paralleling without external current-balancing components?

Yes-the device's positive V_CE(sat) temperature coefficient and tight parameter distribution (±0.25 V) enable stable current sharing across up to four parallel devices using matched gate drive and symmetrical layout, as confirmed in ST Application Note AN5074 for M-series IGBTs.

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

At T_C = 100 °C, the continuous collector current is rated at 120 A (Table 1), and the forward-bias SOA (Figure 8) confirms single-pulse operation up to 360 A for t_p ≤ 10 µs. For repetitive pulses, thermal limits constrain I_C to ≤120 A at 100 °C case with proper heatsinking.

How does the integrated diode's reverse recovery performance change at 175 °C junction temperature?

At T_J = 175 °C, t_rr increases to 320 ns, Q_rr rises to 11.2 µC, and I_RRM reaches 62 A (Table 6). This reflects increased minority carrier lifetime, requiring adjusted snubber design and gate driver slew-rate control to manage voltage overshoot in high-temperature operation.