Infineon Technologies IRGBC30U

Overview

IRGBC30U from International Rectifier is a 600 V, 23 A (T_C = 25°C) insulated gate bipolar transistor in TO-220AB package, optimized for high-frequency switching (>5 kHz) in hard-switched SMPS and motor drives. It delivers V_CE(sat) ≤ 3.0 V at 12 A/15 V gate drive, 29–36 nC total gate charge, and 0.53 mJ total switching loss at 25°C with R_G = 23 Ω.

For engineers reviewing the IRGBC30U datasheet, IRGBC30U pinout, IRGBC30U application, or IRGBC30U equivalent, key selection criteria include its 1.2 °C/W junction-to-case thermal resistance, clamped inductive load rating of 92 A, and guaranteed tail-loss-inclusive E_off of 0.35 mJ - critical for reliable 480 V bus inverters and UPS systems operating up to 150°C junction temperature.

Technical Context

The IRGBC30U employs a trench-gated field-stop IGBT structure with integrated anti-parallel diode, enabling low conduction loss while maintaining fast turn-off (t_f = 93–190 ns) and controlled voltage overshoot under clamped inductive loads. Its gate threshold voltage (3.0–5.5 V) and negative temperature coefficient (∆V_GE(th)/∆T_J = −11 mV/°C) support stable parallel operation.

Thermal design is anchored by R_θJC = 1.2 °C/W and R_θCS = 0.50 °C/W (greased flat interface), permitting 21 W continuous dissipation at T_C = 100°C. Switching energy scales predictably with case temperature: E_ts rises from 0.53 mJ at 25°C to 0.9 mJ at 150°C per Fig. 10.

Key Specifications

Pinout & Package

IRGBC30U uses JEDEC TO-220AB package with isolated tab (collector-connected), 3-pin through-hole configuration. Mounting torque: 10 lbf·in (1.1 N·m); soldering temperature limit: 300°C for 10 sec at 1.6 mm from case.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STGP30NC60WD and FGA25N120ANTD, the IRGBC30U offers superior high-frequency efficiency due to lower Q_g and guaranteed tail-loss accounting, making it optimal for 5–20 kHz UPS and motor drives where thermal margin and switching loss predictability are critical.

Availability

IRGBC30U is available at Aetrix Electronics and suitable for industrial motor drives, uninterruptible power supplies, switch-mode power supplies, and induction heating systems requiring stable component supply and long-term manufacturability.

Supply support for IRGBC30U 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

International Rectifier (now part of Infineon Technologies) was a pioneer in power semiconductor innovation, specializing in high-efficiency IGBTs, MOSFETs, and driver ICs for industrial and automotive markets.

The UltraFast IGBT product line, including IRGBC30U, was engineered specifically for high-frequency hard-switched applications such as UPS, SMPS, and motor control-emphasizing low switching loss, rugged short-circuit capability, and thermal reliability.

FAQ

Is IRGBC30U suitable for paralleling multiple devices?

Yes - its negative V_GE(th) temperature coefficient (−11 mV/°C) ensures current sharing stability across temperature gradients. Designers must match gate drive impedance and layout symmetry; typical practice uses individual 10–22 Ω gate resistors and Kelvin emitter connections to minimize imbalance.

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

For safe operation at T_J = 150°C, R_G should not exceed 23 Ω - the value used in the datasheet's E_off characterization. Higher values increase t_d(off) and tf, risking shoot-through in bridge configurations; lower values (≤10 Ω) improve switching speed but raise gate driver stress.

Does IRGBC30U include an integrated freewheeling diode?

No - IRGBC30U is a discrete IGBT die in TO-220AB package with isolated collector tab. An external ultrafast or soft-recovery diode (e.g., IRFP460's companion diode) must be used in inductive switching applications to handle reverse recovery current.

Can IRGBC30U operate reliably at 100% rated current continuously?

No - continuous I_C is derated to 12 A at T_C = 100°C per absolute maximum ratings. At 23 A, case temperature must remain ≤25°C, which is impractical without forced cooling; real-world designs limit steady-state current to ≤15 A with adequate heatsinking and airflow.