STMicroelectronics STGF4M65DF2

Overview

STGF4M65DF2 from STMicroelectronics is a trench gate field-stop IGBT with integrated soft fast-recovery antiparallel diode in TO-220FP package, rated for 650 V V_CES, 4 A continuous collector current at T_C = 100 °C, and 6 µs short-circuit withstand time at T_Jstart = 150 °C. It delivers V_CE(sat) = 1.6 V (typ.) at I_C = 4 A and enables robust motor control inverters requiring low conduction loss and safe paralleling.

For engineers reviewing the STGF4M65DF2 datasheet, STGF4M65DF2 pinout, STGF4M65DF2 application, or STGF4M65DF2 equivalent, key selection criteria include its positive V_CE(sat) temperature coefficient, tight parameter distribution, 2.5 kV RMS insulation rating, and diode reverse recovery characteristics optimized for PFC and UPS half-bridge stages.

Technical Context

This IGBT employs ST's M-series trench gate field-stop structure to balance low conduction loss and short-circuit ruggedness. Its internal layout integrates a co-packaged diode with soft recovery (t_rr = 133 ns typ. at T_J = 25 °C) and low Q_rr (140 nC typ.), minimizing switching stress in inductive loads.

The device features a positive V_CE(sat) temperature coefficient (1.9 V @ 125 °C, 2.1 V @ 175 °C) and tight parameter spread-enabling stable current sharing without external emitter resistors-and operates up to T_J = 175 °C with R_thJC = 6.5 °C/W for the IGBT and 7 °C/W for the diode.

Key Specifications

Pinout & Package

STGF4M65DF2 uses the TO-220FP (Full-Pak) package: insulated plastic case with metal tab electrically connected to the collector, enabling direct mounting to heatsink without isolation washer. Pin 1 = Gate, Pin 2 = Collector (tab), Pin 3 = Emitter.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IXGN40N60B3 and IKP40N65ES5, STGF4M65DF2 offers optimal trade-off for sub-1 kW motor drives and UPS outputs: smaller die size lowers gate charge (15.2 nC vs. >30 nC), enabling simpler gate drivers, while maintaining sufficient short-circuit ruggedness and insulation for cost-sensitive industrial designs.

Availability

STGF4M65DF2 is available at Aetrix Electronics and suitable for motor control inverters, uninterruptible power supplies (UPS), and power factor correction (PFC) circuits requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.

Supply support for STGF4M65DF2 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.

STGF4M65DF2 belongs to the M-series IGBT family, engineered specifically for medium-power inverter applications where low conduction loss, short-circuit robustness, and safe paralleling are essential-targeting motor drives, UPS, and PFC systems operating up to 175 °C junction temperature.

FAQ

What is the maximum gate-emitter voltage rating for STGF4M65DF2?

The absolute maximum gate-emitter voltage is ±20 V, as specified in Table 2 of the datasheet. Exceeding this rating-even transiently-can cause irreversible gate oxide damage. Recommended gate drive is +15 V for turn-on and –5 V to –10 V for turn-off to ensure robust noise immunity and prevent spurious turn-on during high dV/dt conditions.

Does STGF4M65DF2 require an external freewheeling diode?

No. STGF4M65DF2 integrates a soft, fast-recovery antiparallel diode with t_rr = 133 ns (typ.) and Q_rr = 140 nC (typ.) at 25 °C. This diode is co-located in the same TO-220FP package and shares thermal coupling with the IGBT die, eliminating the need for external diodes in standard inverter leg configurations.

How does the short-circuit withstand time vary with gate voltage and temperature?

At V_GE = 15 V and T_Jstart = 150 °C, t_sc = 6 µs; at V_GE = 13 V under identical conditions, it increases to 10 µs. Higher gate voltage accelerates saturation but reduces short-circuit time due to increased current density. The device must be protected within this window using fast current-sensing and gate-shutdown circuitry.

Can STGF4M65DF2 be paralleled with other IGBTs without emitter resistors?

Yes-its positive V_CE(sat) temperature coefficient and tight parameter distribution enable stable current sharing across parallel units without discrete emitter resistors. However, matched gate drive layout (equal trace length/inductance) and symmetrical thermal mounting remain essential to avoid thermal runaway.