会社ブログについて Infineon IRLB3813 30V Single N-Channel StrongIRFET™ Power MOSFET Transistor

Shenzhen Mingjiada Electronics Co., Ltd. specialises in the distribution and supply of genuine, imported power semiconductors and electronic components. With many years of experience in the industry, the company focuses on a wide range of high-quality electronic components and provides customers across various sectors—including industrial control, new energy, power supply equipment and smart hardware—with one-stop component supply solutions featuring genuine product guarantees, ample stock, rapid delivery and comprehensive technical support. Currently, the company supplies genuine Infineon IRLB3813 StrongIRFET™ power MOSFETs. Thanks to their outstanding product performance and a well-established supply chain, they have become the preferred source for bulk procurement by numerous enterprises.

The IRLB3813 is a 30V unipolar N-channel StrongIRFET™ series power MOSFET, manufactured using advanced trench-type power process technology and specifically designed for low-voltage, high-current, high-efficiency switching and power conversion applications. Combining ultra-low on-resistance, high current-carrying capacity and excellent switching characteristics with strong compatibility and high stability, this device serves as a core power component in equipment such as low-voltage power supplies, motor drives and battery management systems, and is widely suited to mainstream application scenarios including industrial, consumer electronics and new energy sectors.

I. IRLB3813 Product Overview

The IRLB3813 is a logic-level power MOSFET developed by Infineon specifically for low-voltage, high-current, high-frequency switching and high-efficiency power conversion applications. It belongs to the classic StrongIRFET™ product series and is manufactured using a mature and stable trench semiconductor process. The device combines multiple advantages, including high current carrying capacity, low losses, fast response and strong compatibility, whilst addressing the shortcomings of traditional low-voltage MOSFETs, such as high power dissipation, poor overload capability and significant temperature drift.

With a rated voltage of 30 V, the device is suitable for the vast majority of low-voltage applications in both consumer and industrial settings. It requires no complex external driver circuits, thereby significantly simplifying the design of the complete system and reducing R&D and mass production costs. The product is in full-scale mass production and available for sale, with a stable lead time. It meets a wide range of procurement needs, from sample development and small-batch testing to large-scale mass production, and is widely used in core sectors such as new energy power supplies, motor drives, industrial automation and smart hardware.

II. IRLB3813 Key Specifications

Device Type: N-channel unipolar power MOSFET (StrongIRFET™ series)

Drain-Source Breakdown Voltage (VBRDSS): 30V

Continuous Drain Current (ID@25°C): 260A, ultra-high current-carrying capacity

Maximum Power Dissipation (Ptot): 230W

On-resistance (RDS(on)): 1.95 mΩ@VGS=10V; 2.6mΩ@VGS=4.5V, ultra-low on-resistance loss

Total gate charge (QG@4.5V): 57 nC, low gate drive loss

Gate drive charge (QGD): 19 nC, fast switching response

Gate threshold voltage (VGS(th)): 1.85 V to 1.9 V

Maximum gate-source voltage (VGS): ±20 V

Operating temperature range: –55 °C to +175 °C, stable operation across a wide temperature range

Package type: Standard surface-mount package, compatible with mainstream PCB assembly processes

III. IRLB3813 Product Features and Key Advantages

1. Ultra-low on-resistance, excellent energy efficiency

Leveraging Infineon’s proprietary StrongIRFET™ process, the IRLB3813 achieves ultra-low on-resistance in the milliohm range, significantly reducing power loss when the device is in the on-state. This effectively minimises heat generation, enhances the overall energy conversion efficiency of the system, and is ideally suited for a wide range of high-efficiency power conversion equipment, helping end products achieve energy-saving and consumption-reduction upgrades.

2. Ultra-high current-carrying capacity and strong load adaptability

This device supports an ultra-high continuous drain current of 260 A. Combined with a high rated power of 230 W, it can stably handle high-current loads, withstand transient current surges and demonstrate outstanding overload resistance, meeting the requirements of high-load applications such as high-power motors, fast-charging power supplies and industrial power supply equipment.

3. Excellent switching performance and fast response

The device features outstanding gate charge parameters, low switching losses and a sensitive switching response. With a wide range of compatible switching frequencies, it is suitable for both low-frequency, high-power switching and medium-to-high-frequency power conversion applications. The switching process is stable and free from noise, effectively enhancing the operational stability and efficiency of the equipment.

4. Wide temperature range, high stability and outstanding durability

With an operating temperature range covering extreme conditions from –55°C to +175°C, the device offers high heat resistance, resistance to ageing and strong immunity to interference. It can operate stably over the long term in high-temperature industrial and harsh outdoor environments, reducing the probability of equipment failure and extending the service life of end products.

5. Broad Compatibility and Exceptional Adaptability

The 30 V low-voltage design is well-suited to the vast majority of consumer and industrial low-voltage power applications. The drive voltage is compatible with standard control chips, eliminating the need for additional complex drive circuits. This simplifies the overall circuit design, reduces R&D and production costs, and meets the requirements of mass production.

IV. Main Application Scenarios for the IRLB3813

Thanks to its core characteristics of high current, low loss and high stability, the Infineon IRLB3813 power MOSFET is widely used in various low-voltage, high-power and high-efficiency power conversion devices. The key application areas are as follows:

New Energy Power Supply Equipment: Lithium-ion battery fast-charging modules, on-board low-voltage power supplies, energy storage power supplies, battery formation equipment, portable high-power power supplies

Motor Drive Systems: Industrial DC motor drives, servo motor control, electric vehicle motor controllers, high-power drive modules for water pumps and fans

Industrial control equipment: industrial switching power supplies, DC-DC converters, load switches, industrial relay control, and power units for automation equipment

Consumer and smart hardware: high-power adaptors, power modules for smart home appliances, robotic power control systems, and power supply units for security equipment

Other specialised applications: battery protection systems, high-power lighting drivers, and in-vehicle electronic control systems—all involving low-voltage, high-current power scenarios

V. Supply Advantages of Shenzhen Mingjiada Electronic Components

As a specialist distributor of high-quality Infineon components, Shenzhen Mingjiada Electronics Co., Ltd. has established a strong presence in the electronic components supply chain sector, focusing on genuine products, stable supply and efficient service. We provide customers with a one-stop procurement service for the IRLB3813 and the full range of power semiconductor devices. Our core advantages are as follows:

1. Guarantee of Genuine Products with Traceable Quality

All IRLB3813 products supplied by the company are genuine Infineon products sourced through official channels and fully traceable throughout the supply chain. We strictly reject refurbished, loose new, or salvaged components. For every batch, we provide supporting documentation such as original manufacturer’s quality inspection reports and datasheets, ensuring rigorous quality control and guaranteeing the stability of mass production for end-user equipment.

2. Ample stock on hand and efficient delivery

For popular power MOSFETs such as the IRLB3813, the company maintains a vast stock on hand, capable of supporting sample orders, small-batch R&D procurement and large-scale mass production supply. There is no need for lengthy lead times; we support same-day order acceptance and dispatch, efficiently resolving customer stock shortages and supply disruptions whilst safeguarding production schedules.

3. Significant Price Advantage and Excellent Value for Money

Leveraging long-term, stable partnerships with original manufacturers and the advantages of bulk purchasing, we eliminate intermediate distribution channels to offer customers highly competitive supply prices. At the same time, we strictly control product quality, enabling customers to procure genuine, original components at excellent value for money, thereby effectively reducing corporate procurement and production costs.

4. Comprehensive after-sales support system for worry-free collaboration

The company adheres to a philosophy of integrity in business operations and has established a comprehensive system covering pre-sales, in-sales and after-sales services. We support sample testing, bulk orders and long-term strategic partnerships. Our products come with compliant warranties and we provide rapid after-sales response, fully meeting the procurement needs of various clients, including R&D enterprises, manufacturers and traders.

VI. Summary

As a 30V N-channel StrongIRFET™ high-end power MOSFET, the Infineon IRLB3813 has become the preferred component in the fields of low-voltage, high-power conversion, motor drives and new energy power supplies, thanks to its core advantages of ultra-low on-resistance, exceptional current-carrying capacity, high stability across a wide temperature range and broad applicability. Shenzhen Mingjiada Electronics Co., Ltd., with its strengths in genuine products, immediate availability, competitive pricing and professional service, provides customers with a supply of genuine IRLB3813 components. We continue to offer a stable and reliable component supply chain to support product R&D and mass production for clients across various industries. We welcome enquiries and discussions from clients in all sectors, as well as bulk purchases.