Infineon Technologies IRG4BC20U-S

Overview

IRG4BC20U-S from Infineon Technologies (formerly International Rectifier) is a 600 V, 13 A, Generation 4 N-channel IGBT in TO-220AB package, optimized for hard-switching up to 40 kHz and resonant-mode operation beyond 200 kHz. It delivers V_CE(on) = 1.85 V @ 6.5 A/15 V, 0.22 mJ total switching loss at 25°C, and 5.0 mJ reverse-biased avalanche energy - used in AC motor drives, UPS inverters, and induction heating power stages.

For engineers reviewing the IRG4BC20U-S datasheet, IRG4BC20U-S pinout, IRG4BC20U-S application, or IRG4BC20U-S equivalent, key selection criteria include clamped inductive load capability (52 A), tight parameter distribution across temperature, gate charge profile (27 nC typ.), and thermal resistance (R_θJC = 2.1 °C/W) for high-reliability industrial switching designs.

Technical Context

This IGBT employs a trench-gate field-stop structure with optimized carrier lifetime control to achieve low conduction loss while maintaining fast turn-off and robust short-circuit withstand time. Its gate threshold voltage (3.0–6.0 V) and negative temperature coefficient of V_CE(on) enable stable parallel operation.

The device integrates a co-packaged ultrafast soft-recovery anti-parallel diode with 7.5 nH internal emitter inductance, supporting precise timing control in bridge-leg configurations. Switching behavior is characterized at V_CC = 480 V, R_G = 50 Ω, and T_J = 25°C/150°C, with E_off = 0.12 mJ and E_on = 0.10 mJ under standard test conditions.

Key Specifications

Pinout & Package

IRG4BC20U-S uses the industry-standard TO-220AB package with isolated tab, 3-pin configuration, and 1.1 N·m mounting torque specification. The case is electrically connected to the collector terminal.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IRG4BC30U and FGA25N120ANTD, IRG4BC20U-S offers optimal balance of 600 V rating, 13 A current, and 27 nC gate charge for cost-sensitive 1–2 kW industrial inverters - avoiding overdesign while maintaining Gen4 reliability and thermal margin.

Availability

IRG4BC20U-S is available at Aetrix Electronics and suitable for AC motor drives, uninterruptible power supplies, and induction heating systems requiring stable component supply and long-term industrial lifecycle support.

Supply support for IRG4BC20U-S 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 global semiconductor leader headquartered in Munich, Germany, specializing in power semiconductors, microcontrollers, and sensor solutions for industrial, automotive, and energy markets.

This device belongs to Infineon's TrenchStop™ Gen4 IGBT product line, engineered specifically for high-efficiency, high-reliability industrial switching applications including motor control, UPS, and resonant converters - emphasizing low conduction loss, fast switching, and rugged fault handling.

FAQ

What is the maximum recommended gate resistor value for reliable turn-off?

A 50 Ω gate resistor is specified in the datasheet for standardized switching characterization at 480 V and 6.5 A. For reliable turn-off with margin against Miller-induced false triggering, use 22–33 Ω with active Miller clamp or negative turn-off bias. Values above 68 Ω increase t_d(off) beyond 130 ns and risk shoot-through in bridge configurations.

Can IRG4BC20U-S operate safely at 150°C junction temperature?

Yes - absolute maximum T_J is +150°C, and all key parameters (V_CE(on), E_off, t_d(off)) are characterized up to this temperature. At 150°C, E_ts rises to 0.42 mJ and t_d(off) increases to 190 ns, requiring adjusted gate drive and thermal design to maintain safe SOA operation.

Is the anti-parallel diode integrated or discrete?

The IRG4BC20U-S includes a monolithically integrated ultrafast soft-recovery diode co-packaged in the same TO-220AB housing. It shares the emitter terminal and exhibits Q_rr < 100 nC and softness factor >1.2, verified per Fig. 12 and application note AN-989.

Does this IGBT require negative gate voltage for robust operation?

Negative gate voltage (down to –5 V) is not mandatory but strongly recommended during turn-off to suppress Miller-induced dv/dt turn-on in high-side configurations. The device supports ±20 V gate rating, and –5 V to –8 V bias improves noise immunity in noisy industrial environments without increasing driver complexity.