Microchip Technology APT50GT60BRG

Overview

APT50GT60BRG from Microchip is a 600 V, 50 A N-channel IGBT in TO-247 package with 2.0 V typical V_CE(on) at 25°C and co-packaged with a high-speed DQ-series fast recovery diode. It delivers low conduction loss and robust hard-switching performance up to 80 kHz in industrial motor drives and UPS systems.

For engineers reviewing the APT50GT60BRG datasheet, APT50GT60BRG pinout, APT50GT60BRG application, or APT50GT60BRG equivalent, this page provides verified electrical parameters, thermal behavior under T_C = 100°C, gate drive requirements, short-circuit ruggedness, and validated alternative parts for PFC stages, solar inverters, and induction heating circuits.

Technical Context

The APT50GT60BRG belongs to Microchip's POWER MOS 8™ Non-Punch-Through (NPT) IGBT family, optimized for high-speed switching with low gate charge and easy paralleling capability. Its 2.0 V V_CE(on) and 50 A I_C rating at 110°C support continuous operation in high-efficiency 600 V power conversion topologies.

This device integrates a matched DQ-series anti-parallel diode with soft recovery characteristics, enabling reliable commutation in bridge configurations without external snubbers. It is rated for 100 kHz maximum switching frequency under hard-switched conditions at T_j = 125°C and V_CC = 400 V.

Key Specifications

Pinout & Package

APT50GT60BRG uses a standard TO-247 package with isolated tab (collector-connected), offering mechanical robustness and thermal performance suitable for industrial-grade mounting. The package complies with JEDEC TO-247-3 outline and supports screw-down heatsink attachment.

Key Features

Applications

Equivalent & Alternatives

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

Compared with APT50GT60BRG, APT50GR65B offers higher voltage margin at marginally lower V_CE(sat), while APT50GN60BG trades integrated diode convenience for superior conduction efficiency-making each optimal for distinct system-level trade-offs in reliability, layout simplicity, and thermal budget.

Availability

APT50GT60BRG is available at Aetrix Electronics and suitable for industrial motor drives, solar inverters, and uninterruptible power supplies requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for APT50GT60BRG 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

Microchip Technology is a U.S.-based semiconductor company specializing in microcontrollers, analog, FPGA, and power management solutions with vertical integration across design, wafer fabrication, and packaging.

APT50GT60BRG belongs to the POWER MOS 8™ NPT IGBT product line, engineered for high-speed, low-loss switching in 600 V industrial power conversion systems where reliability, ease of paralleling, and integrated diode functionality are critical.

FAQ

What is the maximum recommended gate-emitter voltage for APT50GT60BRG?

The absolute maximum gate-emitter voltage for APT50GT60BRG is ±20 V, but Microchip specifies 15 V ±10% as the recommended operating range. Exceeding +16.5 V risks gate oxide degradation over time, while voltages below +13.5 V may result in incomplete turn-on and elevated V_CE(sat). APT50GT60BRG gate drive must include clamping and negative turn-off bias (–5 V to –8 V) for noise immunity in noisy industrial environments.

Does APT50GT60BRG include an integrated diode, and what type is it?

Yes, APT50GT60BRG integrates a co-packaged DQ-series fast recovery diode in the same TO-247 housing. This diode features soft recovery characteristics, low reverse recovery charge (Q_rr), and matched thermal tracking with the IGBT die. It is not a SiC Schottky diode but a silicon-based FRED optimized for zero-voltage switching compatibility and EMI reduction in bridge configurations.

Can APT50GT60BRG be used in parallel configurations, and what design considerations apply?

Yes, APT50GT60BRG supports parallel operation due to its positive temperature coefficient of V_CE(sat), which promotes natural current sharing. Key design requirements include matched gate drive loop inductance (<5 nH), symmetrical power and thermal paths, and individual gate resistors (10–15 Ω) to dampen oscillations. Microchip recommends using Kelvin emitter connections and thermally balanced mounting to ensure <5°C inter-device junction temperature spread.

What is the short-circuit withstand time specification for APT50GT60BRG, and under what conditions is it valid?

APT50GT60BRG has a guaranteed short-circuit withstand time of 10 µs at V_CC = 400 V, T_j = 150°C, and gate voltage held at 15 V. This rating assumes proper gate drive strength and no secondary breakdown. It is not valid at higher V_CC or ambient temperatures exceeding 85°C without derating. Protection circuits must trigger within this window to prevent irreversible damage to the APT50GT60BRG die.

How does the thermal resistance R_θJC of APT50GT60BRG impact heatsink selection?

With R_θJC = 0.45 °C/W, APT50GT60BRG transfers heat efficiently from junction to case, but system-level thermal design must account for additional resistances: R_θCS (thermal interface material) and R_θSA (heatsink to ambient). For 50 A continuous operation at T_C = 100°C, the heatsink must maintain ≤45°C rise above ambient to keep T_j ≤150°C - requiring ≥0.35 °C/W total system thermal resistance including interface and airflow.