Russian Diode Fast Recovery Diode 630A 2800V russian type DF253-630-28 Fast rectifier diodes

Overview of Fast Recovery Diodes

Features of Fast Recovery Diodes

(Russian Diode Fast Recovery Diode 630A 2800V russian type DF253-630-28 Fast rectifier diodes)

Specification of Russian Diode Fast Recovery Diode 630A 2800V russian type DF253-630-28 Fast rectifier diodes

The Russian Diode Fast Recovery Diode DF253-630-28 is a high-power semiconductor device designed for demanding rectification applications in industrial and high-voltage systems. This fast recovery diode is engineered to deliver efficient performance in circuits requiring rapid switching and high current handling capabilities. With a robust construction tailored for reliability, it is ideal for use in power converters, inverters, motor drives, and welding equipment.

Key Specifications:
– Maximum Repetitive Reverse Voltage (V_RRM): 2800V, ensuring reliable operation in high-voltage environments.
– Average Forward Current (I_FAV): 630A, enabling high-current rectification with minimal losses.
– Peak Forward Surge Current (I_FSM): Up to 10kA (non-repetitive), providing resilience against transient overloads.
– Forward Voltage Drop (V_F): Typically 1.8V at 630A, optimizing energy efficiency.
– Reverse Recovery Time (t_rr): ≤100ns (typical), ensuring fast switching for reduced power loss in high-frequency applications.
– Operating Temperature Range: -40°C to +150°C, suitable for harsh industrial environments.
– Junction Temperature (T_J): Rated up to +150°C, with robust thermal management capabilities.

Design Features:
The DF253-630-28 employs a rugged, press-fit or stud-mounted package designed for easy integration into high-power assemblies. Its construction uses advanced semiconductor materials to ensure low leakage current and high thermal stability. The diode’s fast recovery characteristics minimize switching losses, making it ideal for applications like DC power supplies, UPS systems, and traction drives.

Applications:
This diode is widely used in heavy-duty rectification systems, including electroplating, induction heating, and renewable energy converters. Its high voltage and current ratings make it suitable for railway traction systems, metallurgical equipment, and pulsed power supplies.

Reliability & Compliance:
Built to meet stringent industrial standards, the DF253-630-28 features high resistance to thermal cycling and mechanical stress. It complies with international certifications for safety and performance, ensuring longevity in mission-critical applications.

Packaging:
The diode is typically supplied in a hermetically sealed metal-ceramic package, providing excellent isolation and durability. Optional heatsink mounting kits are available for enhanced thermal dissipation.

With its combination of high voltage tolerance, rapid switching, and exceptional current capacity, the DF253-630-28 is a versatile solution for modern high-power rectification challenges. Its rugged design and consistent performance make it a preferred choice for engineers in energy, transportation, and industrial automation sectors.

(Russian Diode Fast Recovery Diode 630A 2800V russian type DF253-630-28 Fast rectifier diodes)

Applications of Russian Diode Fast Recovery Diode 630A 2800V russian type DF253-630-28 Fast rectifier diodes

The Russian Diode Fast Recovery Diode DF253-630-28 is a high-performance rectifier diode designed for demanding industrial and commercial applications requiring efficient power conversion, high reliability, and robust operation. With a forward current rating of 630A and a reverse voltage capability of 2800V, this diode excels in environments where high-power rectification, fast switching, and minimal energy losses are critical. Its advanced design ensures low reverse recovery time, reducing switching losses and heat generation, while its rugged construction enables stable performance under extreme electrical and thermal stress. Below are key applications of the DF253-630-28 diode:

Industrial Power Conversion: Used in high-power rectifiers, DC power supplies, and motor drives for industries like steel manufacturing, mining, and chemical processing. It converts AC to DC efficiently in heavy machinery, ensuring smooth operation of equipment such as electrolysis systems, induction furnaces, and rolling mills.

Renewable Energy Systems: Integral to wind turbine converters and solar inverters, where it rectifies high-voltage AC from generators or solar panels into DC before inversion to grid-compatible AC. Its high voltage rating handles surges in renewable setups, enhancing system longevity.

Transportation Electrification: Supports traction inverters in electric vehicles (EVs), trains, and trams by rectifying power in charging stations and onboard systems. Its durability ensures reliability in high-vibration environments.

Welding Equipment: Provides stable DC output in industrial welding machines, enabling precise control over welding arcs and reducing energy waste.

Medical Imaging Systems: Used in X-ray, MRI, and CT scan power supplies to deliver stable high-voltage DC, crucial for accurate imaging and patient safety.

Defense and Aerospace: Deployed in radar systems, military-grade power supplies, and avionics, where failure-resistant components are essential for mission-critical operations.

Induction Heating: Facilitates fast switching in high-frequency induction heaters for metal hardening, melting, and forging, improving energy efficiency in manufacturing.

Uninterruptible Power Supplies (UPS): Ensures reliable AC-to-DC conversion in data centers, hospitals, and telecom infrastructure, maintaining power quality during outages.

Research and High-Energy Physics: Used in particle accelerators and pulsed power systems requiring precise high-voltage control.

The DF253-630-28’s low thermal resistance, high surge current tolerance, and robust packaging make it ideal for harsh environments. Its combination of speed, power handling, and reliability positions it as a versatile solution for advancing high-efficiency power electronics across industries.

Company Profile

Luoyang Datang Energy Tech Co.Ltd(sales@pddn.com) is one of the leading enterprises in power electronics technology and power products, which is fully involved in developing solar inverters， transformers, voltage regulators, distribution cabinets, thyristors， modules， diodes， heaters, and other electronic devices or semiconductors. We will be committed to providing users with high-quality, efficient products and considerate service.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. If you want high-quality Russian Diode Fast Recovery Diode 630A 2800V russian type DF253-630-28 Fast rectifier diodes, please send us inquiries; we will be here to help you.

Payment Methods

L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment

By sea, by air, by express, as customers request.

Storage Conditions

1) Store in a dry environment at room temperature.

2) Avoid damp and high temperature.

3) Use immediately after opening the inner packing bag.

5 FAQs of Russian Diode Fast Recovery Diode 630A 2800V russian type DF253-630-28 Fast rectifier diodes

What are the primary applications of the DF253-630-28 Fast Recovery Diode?
The DF253-630-28 is designed for high-power rectification in industrial and heavy-duty applications. It is commonly used in high-frequency inverters, switching power supplies, motor drives, welding equipment, and traction systems. Its fast recovery time minimizes switching losses, making it ideal for circuits requiring rapid turn-off, such as pulse-width modulation (PWM) controllers and DC-AC converters. The diode’s high voltage and current ratings also suit renewable energy systems, like wind and solar inverters, where efficient energy conversion is critical.

What are the key specifications of the DF253-630-28?
This diode features a maximum repetitive reverse voltage (V_RRM) of 2800V and an average forward current (I_F(AV)) of 630A. It has a low reverse recovery time (typically in the microsecond range) and a forward voltage drop (V_F) around 1.2V to 1.5V under rated conditions. The diode operates within a junction temperature range of -40°C to +150°C. Its rugged construction ensures stable performance under high surge currents and harsh thermal conditions.

What advantages does the DF253-630-28 offer over standard diodes?
The DF253-630-28 combines high voltage and current handling with fast recovery characteristics, reducing energy loss and heat generation during switching. Its robust design includes a pressure-contact structure for better thermal conductivity and mechanical stability. This makes it suitable for demanding environments with vibrations or temperature fluctuations. Additionally, its low leakage current enhances efficiency in high-voltage applications.

How is heat dissipation managed in this diode?
Effective thermal management is achieved through proper mounting on heatsinks using thermally conductive interface materials. The diode’s press-pack design allows direct contact with cooling systems, improving heat transfer. Users must ensure operating temperatures stay within specified limits to prevent thermal runaway. Active or passive cooling solutions may be required in high-load scenarios.

Is the DF253-630-28 reliable for critical applications?
Yes. The diode complies with stringent Russian and international standards for high-power semiconductors. It undergoes rigorous testing for thermal cycling, surge current tolerance, and long-term stability. These features make it a dependable choice for mission-critical systems like industrial machinery, railway electrification, and power grid infrastructure. Its design prioritizes durability, ensuring consistent performance even under extreme operational stress.

(Russian Diode Fast Recovery Diode 630A 2800V russian type DF253-630-28 Fast rectifier diodes)