company blog about Infineon IGT65R Series CoolGaN™ Transistors | Mingjiada Electronics: Professional Supplier and High-Priced Buyback Service

As power conversion systems continue to evolve toward higher frequencies, smaller sizes, and higher efficiency, gallium nitride (GaN) power devices are gradually replacing traditional silicon-based MOSFETs to become the core components of next-generation power electronics designs. The IGT65R model from Infineon’s CoolGaN™ 650V G5 series has gained widespread recognition in industrial power supplies, telecommunications power supplies, data centers, and chargers, thanks to its outstanding switching performance and system-level advantages.

Shenzhen Mingjiada Electronics Co., Ltd. maintains a long-term stock of all models in the IGT65R series and offers high-value global buyback services for original, in-stock devices from this series, providing partners with end-to-end services ranging from procurement to inventory optimization.

Product Overview: IGT65R Series CoolGaN™ 650V Power Transistors

The IGT65R is part of Infineon’s CoolGaN™ 650V G5 series of enhancement-mode (e-mode) gallium nitride power transistors, specifically designed for high-frequency power conversion applications. Manufactured using 200mm (8-inch) wafer technology and fully automated production lines, this series features tight manufacturing tolerances and the highest product quality, making it suitable for a wide range of applications from consumer electronics to industrial systems.

As a representative of third-generation semiconductor technology, the IGT65R series offers significant advantages for system design through extremely low gate charge, zero reverse recovery charge, and ultra-fast switching speeds, effectively increasing power density, reducing system BOM costs, and enabling a compact form factor.

Key Specifications

Brand: Infineon

Technology: E-mode enhancement-mode, normally closed switch

Drain-Source Voltage (Vdss): 650 V

Continuous Drain Current (Id): 13 A (Tc)

On-Resistance (RDS(on)): 140 mΩ (typical)

Gate Charge (Qg): 1.8 nC (typical)

Input Capacitance (Ciss): 155 pF @ 400 V

Power Dissipation (Pd): 47 W

Operating Temperature Range: -55°C to +150°C

Package Type: PG-HSOF-8 (bottom-cooled)

ESD Protection: 2 kV HBM, compliant with JEDEC standards

Overview of Models in the Same Series

IGT65R025D2: 25 mΩ High current TOLL / DFN

IGT65R035D2: 35 mΩ 49 A PG-HSOF-8

IGT65R045D2: 45 mΩ Medium-to-high current PG-HSOF-8

IGT65R055D2: 55 mΩ Medium current Various packages

IGT65R140D2: 140 mΩ 13 A PG-HSOF-8

Key Features and Benefits

1. Enhancement-mode (E-mode) normally closed switch

The IGT65R series utilizes enhancement-mode transistor technology and features a normally closed switch, ensuring system safety during startup and in fault conditions without the need for additional negative-voltage drive circuits.

2. Ultra-Fast Switching Speed and Zero Reverse Recovery

The unique physical properties of gallium nitride (GaN) devices result in extremely low gate charge and output charge, enabling switching speeds far exceeding those of traditional silicon-based MOSFETs. Additionally, the absence of reverse recovery charge (Qrr = 0) significantly reduces switching losses, making these devices particularly suitable for hard-switching and soft-switching topologies such as totem-pole PFC and high-frequency LLC.

3. Reverse Conduction Support

The IGT65R supports reverse conduction, effectively reducing body diode conduction losses in applications such as synchronous rectification and improving overall system efficiency.

4. Low Dynamic RDS(on) and Bottom-Cooled Package

The next-generation CoolGaN™ G5 series features extremely low dynamic on-resistance, maintaining stable conduction losses even under high-temperature, high-frequency operating conditions. The bottom-cooled package (e.g., PG-HSOF-8) optimizes the heat dissipation path, facilitating high-power-density designs.

5. Excellent Commutation Robustness

The devices offer exceptional commutation durability, ensuring reliable operation under severe electrical stress conditions, and are certified to JEDEC industrial application standards.

Typical Application Areas

The IGT65R series of CoolGaN™ transistors are primarily used in power conversion applications based on half-bridge hard-switching and soft-switching topologies:

Industrial and telecommunications power supplies: AC-DC power conversion, industrial switching power supplies (SMPS)

Data Center and Server Power Supplies: High-efficiency server power modules, UPS

Chargers and Adapters: USB-C PD fast charging, laptop adapters, power tool chargers

Electric Vehicle Charging Systems: On-board chargers (OBC), DC-DC converters

New Energy and Photovoltaics: Solar inverters, power conversion for energy storage systems

Telecommunications Infrastructure: Base station power supplies, communication rectifier modules

Mingjiada Electronics | Professional Supply and Recycling Services for the IGT65R Series

Shenzhen Mingjiada Electronics Co., Ltd., founded in 1996 and headquartered in Shenzhen, operates branches in Hong Kong, Japan, Russia, the United States, Canada, Germany, and other locations. It is a globally renowned authorized independent distributor of electronic components.

Supply Services: Genuine Original Products Only

Mingjiada Electronics maintains a long-term stock of all IGT65R series models, including IGT65R140D2, IGT65R045D2, IGT65R035D2, IGT65R025D2, IGT65R055D2, and more. All products are genuine Infineon originals, sourced through official channels, ensuring reliable quality.

In-Stock Inventory, Fast Delivery

Support for Small-Lot Samples and Bulk Purchases

Transparent Pricing—Inquiries Welcome

Buyback Service: High-Priced Cash Buyback of Inventory

Mingjiada Electronics offers long-term, high-priced buyback services worldwide for the IGT65R series and the full range of Infineon CoolGaN™ power devices:

Items Accepted: Factory surplus inventory, distributor stock, and individual inventory

Recycling Requirements: We only accept genuine, factory-sealed devices sourced through official channels; original manufacturer packaging labels must be present

Service Advantages: Fair evaluation, transparent pricing, prompt payment, and nationwide door-to-door pickup

Simple Process: Send inventory details → Inspection and evaluation → Negotiation and transaction → Prompt payment

In addition to the IGT65R series, Mingjiada Electronics consistently purchases all models in the Infineon CoolGaN™ series, including IGLT65R035D2, IGT65R025D2, IGT65R045D2, IGT65R055D2, IGT65R140D2, and others.

Contact Us

For purchasing quotes on IGT65R series products, sample requests, or to sell your inventory, please feel free to contact Mingjiada Electronics at any time:

Website: https://www.integrated-ic.com

Phone: +86-755-83294757

Email: sales@hkmjd.com

Address: 1239-1241, New Asia Guoli Building, Zhenzhong Road, Futian District, Shenzhen

Tags: IGT65R025D2, IGT65R025D, IGT65R025, IGT65R02, IGT65R0, IGT65R