What are the typical applications for the VS-GBPC2502A?

It is commonly used in Switched-Mode Power Supplies (SMPS), Variable Frequency Drives (VFDs), and industrial/consumer Battery Charging Systems.

What are the best practices for heatsinking this device?

A heatsink is mandatory for maximum current ratings. Use high-quality thermal interface material (TIM) between the metal base and the heatsink, and ensure the mounting surface is flat.

How does the surge rating affect AC line fuse selection?

The high 300A surge rating allows for the use of a time-delay (slow-blow) fuse, which protects against overloads while preventing nuisance trips during startup inrush currents.

VS-GBPC2502A Vishay Diode Module | 200V 25A Power Supply

Content last revised on March 22, 2026

Vishay VS-GBPC2502A | Robust 25A Bridge Rectifier for Industrial Power Conversion

The Vishay VS-GBPC2502A is not merely a component; it's a foundational building block for reliable AC-to-DC power conversion. Engineered for durability and thermal efficiency, this 25A, 200V single-phase bridge rectifier provides a robust front-end solution for a wide array of industrial and commercial power supplies. Housed in the industry-standard GBPC-A package, it combines high current handling with simplified mounting, making it a go-to choice for engineers designing for longevity and performance.

Engineering Value in Demanding Applications

The true measure of a component like the VS-GBPC2502A lies in its ability to solve specific engineering challenges across various applications. Its design directly addresses the pain points of modern power electronics.

Switched-Mode Power Supplies (SMPS): In both industrial and consumer SMPS, the rectifier stage is the first line of defense. The VS-GBPC2502A provides a stable, full-wave rectified DC voltage, with the thermal headroom to operate reliably in compact, often poorly ventilated, enclosures.
Variable Frequency Drives (VFDs): The input stage of a VFD subjects the rectifier to significant stress, particularly the massive inrush current required to charge the DC link capacitor. This rectifier's high surge capability is critical for surviving these repeated startup cycles without degradation. It forms the essential front-end for systems often powered by complex IGBT modules.
Battery Charging Systems: From industrial forklift chargers to consumer-grade systems, reliability is paramount. The VS-GBPC2502A’s rugged construction and stable performance ensure consistent DC output for efficient and safe battery charging cycles.

Technical Breakdown: Reliability by Design

Three core design features elevate the Vishay VS-GBPC2502A from a standard component to a strategic design choice for engineers focused on system robustness.

Exceptional Surge Current Immunity: With a peak forward surge current (I_FSM) rating of 300A, this rectifier is built to withstand the punishing inrush currents common in capacitor-input power supplies. This high rating provides a crucial safety margin, preventing component failure during power-on and enhancing the overall lifetime of the end product.

Optimized Thermal Management: The GBPC-A package features a metal case with a center mounting hole. This is not just for mechanical stability; it creates a low thermal resistance path directly to a heatsink. Effective thermal management is essential for achieving the full 25A current rating, and this package design simplifies the process, ensuring consistent performance even at elevated ambient temperatures.

High Dielectric Strength for Safety: A case-to-terminal isolation voltage of 1500 V_RMS is a critical safety feature. It guarantees robust electrical isolation between the live AC input and the chassis or heatsink, a fundamental requirement for achieving system-level safety certifications like UL (UL E300359 recognized).

VS-GBPC2502A Key Specifications

The following parameters are critical for design engineers evaluating the integration of this bridge rectifier into their power systems. For a comprehensive overview, engineers should consult the official datasheet.

Parameter	Value
Peak Repetitive Reverse Voltage (V_RRM)	200 V
Average Forward Current (I_F(AV)) @ T_C = 60°C	25 A
Peak Forward Surge Current (I_FSM)	300 A
Forward Voltage per Diode (V_F) @ 12.5 A, 25°C	1.1 V
Operating Junction Temperature Range (T_J)	-55°C to +150°C

For complete electrical and thermal characteristics, download the official VS-GBPC2502A datasheet.

Engineer's FAQ for the VS-GBPC2502A

Addressing common design questions can streamline the integration process and maximize component performance.

What are the best practices for heatsinking this device?
To achieve the maximum current rating, a heatsink is mandatory. Always use a high-quality thermal interface material (TIM) between the rectifier's metal base and the heatsink. Ensure the mounting surface is flat and clean to minimize contact thermal resistance. The choice of heatsink will depend on your specific load current and maximum ambient operating temperature; understanding the component's thermal resistance (Rth) is key to proper selection.
How does the 300A I_FSM rating impact AC line fuse selection?
The high surge rating allows for the use of a time-delay (slow-blow) fuse. This is crucial because a standard fast-acting fuse might trip during the normal inrush current event at startup. A time-delay fuse provides protection against sustained short circuits or overloads while ignoring the benign, short-duration surge, preventing nuisance trips and improving system uptime.

For detailed application support or to discuss your specific design requirements, please contact our technical team for expert guidance.

VS-GBPC2502A Vishay 200V 25A Single-Phase Bridge Rectifier