Infineon Technologies IRGB4056DPBF

Overview

IRGB4056DPBF from Infineon Technologies is a 600 V, 12 A (T_C = 100°C) n-channel insulated gate bipolar transistor with integrated ultrafast soft-recovery co-pack diode in TO-220AB package. It delivers 1.55 V typical V_CE(on) at 12 A/15 V/25°C, supports 5 µs short-circuit SOA, and operates up to 175°C junction temperature - deployed in motor drives, induction heating, and UPS inverters.

For engineers reviewing the IRGB4056DPBF datasheet, IRGB4056DPBF pinout, IRGB4056DPBF application, or IRGB4056DPBF equivalent, key selection criteria include verified RBSOA squareness, clamped inductive load current rating (I_LM = 48 A), diode reverse recovery energy (E_rec = 280 µJ @ T_J = 175°C), and gate charge profile (Q_g = 25–38 nC).

Technical Context

This IGBT employs trench-gate field-stop technology with positive V_CE(on) temperature coefficient and tight parameter distribution. Its co-pack diode features ultrafast soft recovery (t_rr = 68 ns, I_rr = 19 A @ T_J = 175°C) and low forward voltage (V_FM = 2.10 V @ 12 A, 25°C).

The device exhibits full-square RBSOA up to 600 V and 5 µs short-circuit withstand capability under V_CC = 400 V, V_GE = +15 V → 0 V, R_g = 22 Ω. Thermal resistance is R_θJC(IGBT) = 1.07 °C/W and R_θJC(Diode) = 3.66 °C/W.

Key Specifications

Pinout & Package

IRGB4056DPBF is housed in a TO-220AB package with isolated tab (collector-connected), standard screw-mount footprint, and lead-free finish compliant with RoHS Directive 2011/65/EU.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage IGBT with co-pack diode applications.

Compared with IXGH40N60B3D1 and STGW40H65DFB, IRGB4056DPBF offers the narrowest trade-off between gate drive simplicity (moderate Q_g), diode softness (68 ns t_rr, 280 µJ E_rec), and validated 5 µs short-circuit robustness - making it optimal for cost-sensitive 10–20 kHz motor drives requiring field-proven reliability.

Availability

IRGB4056DPBF is available at Aetrix Electronics and suitable for motor drives, induction heating systems, and UPS inverters requiring stable component supply, long-term lifecycle support, and traceable RoHS-compliant sourcing.

Supply support for IRGB4056DPBF 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

Infineon Technologies is a German semiconductor manufacturer specializing in power semiconductors, microcontrollers, and sensor solutions for industrial, automotive, and renewable energy markets.

IRGB4056DPBF belongs to Infineon's legacy "IR" series of trench-gate IGBTs designed specifically for medium-power industrial switching applications demanding ruggedness, thermal stability, and integrated diode performance.

FAQ

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

The datasheet specifies turn-off delay (t_d(off)) ≤ 102 ns and fall time (t_f) ≤ 41 ns at T_J = 175°C with R_g = 22 Ω. Increasing R_g beyond 33 Ω risks exceeding safe switching loss limits (E_off ≥ 355 µJ) and violating the 5 µs short-circuit SOA due to prolonged tail current. For thermal margin, keep R_g ≤ 27 Ω in continuous 175°C operation.

Does the co-pack diode share the same thermal path as the IGBT die?

Yes - both dies are mounted on a common copper base within the TO-220AB package, resulting in coupled thermal behavior. The datasheet lists separate R_θJC values (1.07 °C/W for IGBT, 3.66 °C/W for diode), confirming distinct but physically adjacent thermal paths to the case. This coupling necessitates joint thermal modeling using transient impedance curves (Fig. 25 & 26) rather than independent steady-state assumptions.

Can IRGB4056DPBF be used in parallel without emitter resistors?

Yes - its positive V_CE(on) temperature coefficient (dV_CE(on)/dT_J > 0) ensures inherent current balancing across paralleled devices. However, layout symmetry (matched gate loop inductance and emitter trace impedance) remains critical. The datasheet confirms 100% I_LM testing validates this behavior, but mismatched PCB routing can still cause imbalance even with positive tempco.

Is the 5 µs short-circuit SOA validated with external gate driver clamping or internal gate oxide protection?

The 5 µs rating is validated using external gate drive conditions: V_GE = +15 V → 0 V with R_g = 22 Ω, V_CC = 400 V, and no active gate clamping. It reflects intrinsic silicon ruggedness under standardized test circuit CT3, not reliance on driver-level protection. No internal gate oxide protection circuitry is present - robustness stems from trench IGBT process and layout design.