Infineon Technologies IRG4BC30F

Overview

IRG4BC30F from Infineon Technologies (formerly International Rectifier) is a 600 V, 31 A n-channel IGBT in TO-220AB package, optimized for medium-frequency hard-switching (1–5 kHz) and resonant-mode (>20 kHz) applications such as induction heating, UPS inverters, and motor drives. It features 1.59 V typical V_CE(on) at 17 A/15 V, 51 nC total gate charge, and 1.2 °C/W junction-to-case thermal resistance.

For engineers reviewing the IRG4BC30F datasheet, IRG4BC30F pinout, IRG4BC30F application, or IRG4BC30F equivalent, key selection criteria include clamped inductive load capability (120 A), avalanche energy rating (10 mJ), turn-off switching loss (1.18 mJ), and thermal performance under 100°C case temperature derating.

Technical Context

The IRG4BC30F employs Generation 4 IGBT silicon with tighter parameter distribution and higher efficiency than prior generations. Its design integrates low conduction loss (V_CE(on) = 1.59 V @ 17 A) and controlled switching behavior (E_off = 1.18 mJ @ 480 V), enabling stable operation in hard-switched DC-AC conversion stages.

It supports gate drive with ±20 V V_GE rating and exhibits negative temperature coefficient for V_GE(th) (−11 mV/°C), facilitating parallel operation. The device's 7.5 nH internal emitter inductance and 1100 pF input capacitance are optimized to reduce voltage overshoot and gate oscillation in high-dI/dt circuits.

Key Specifications

Pinout & Package

IRG4BC30F uses the industry-standard TO-220AB package with isolated tab (collector-connected), 4-pin configuration, and mechanical dimensions conforming to JEDEC outline TO-220AB. Mounting torque: 10 lbf·in (1.1 N·m) for 6-32 or M3 screw.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IRG4PH40UD and FGA25N120ANTD, the IRG4BC30F delivers optimal balance of cost, thermal performance, and switching efficiency for 3–5 kW medium-frequency inverters where TO-220AB form factor and 600 V rating are sufficient.

Availability

IRG4BC30F is available at Aetrix Electronics and suitable for induction heating systems, uninterruptible power supplies, and industrial motor drives requiring stable component supply and long-term manufacturing continuity.

Supply support for IRG4BC30F 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, with global R&D and manufacturing infrastructure.

The IRG4x series belongs to Infineon's Generation 4 IGBT product line, designed specifically for cost-sensitive, medium-power industrial inverters operating at 1–20 kHz with emphasis on thermal reliability and gate drive simplicity.

FAQ

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

The datasheet specifies 23 Ω gate resistance for characterization (E_on/E_off, timing). For hard-switched 480 V applications, RG ≤ 27 Ω maintains safe dv/dt (<10 V/ns) and avoids shoot-through risk. Higher values increase switching time and losses; lower values risk gate oscillation and overshoot without proper PCB layout.

Can IRG4BC30F be used in parallel configurations?

Yes - its negative V_GE(th) temperature coefficient (−11 mV/°C) promotes current sharing under thermal imbalance. Successful parallel operation requires matched gate drive paths, identical heatsink contact, and external emitter resistors (0.1–0.22 Ω) to suppress dynamic current imbalance during turn-on.

Is the metal tab electrically isolated from the collector?

No - the TO-220AB tab is internally connected to pin 2 (collector) and pin 4 (collector). It must be electrically insulated from the heatsink using mica or ceramic washers unless the heatsink is at collector potential. Isolation voltage rating is not specified; assume no dielectric barrier.

What is the safe operating area (SOA) limitation at 150°C junction temperature?

At T_J = 150°C, the SOA is limited by second breakdown to 480 V × 8.5 A (DC) or 480 V × 17 A (10 µs pulse). The device remains within SOA up to 480 V and 17 A for t ≤ 10 µs, per Fig. 12. Continuous operation above 100°C case requires strict derating to 17 A maximum.