Introduction
Power MOSFETs serve as critical switches managing energy flow in modern electronics. For years, international brands like Nexperia have led the market with established products such as the BUK662R7-55C,118. However, global supply chain fluctuations and the pursuit of technological self-reliance have made finding reliable, high-performance domestic alternatives a strategic imperative. Represented by VBsemi’s VBL1602, domestic components are now achieving direct对标 and surpassing international benchmarks.
Part 1: Analysis of the Classic Component
Nexperia’s BUK662R7-55C,118 is an N-channel MOSFET featuring a drain-source voltage of 55V and a continuous drain current of 120A. With a low on-resistance of 2.3mΩ (measured at 10V, 25A), it offers efficient power handling for high-current applications like motor drives, power supplies, and automotive systems. Its robust design has made it a preferred choice in demanding industrial and consumer electronics.
Part 2: Performance Surpassing by the Domestic Challenger
VBsemi’s VBL1602 directly对标 the BUK662R7-55C,118 and delivers enhancements in key areas:
Higher Voltage and Current Capacity: Drain-source voltage increases to 60V (up 5V), and continuous drain current reaches 270A (more than double), providing greater design margin and power capability.
Optimized Conduction Performance: Typical on-resistance is 2.5mΩ (at 10V), ensuring low conduction losses and improved system efficiency.
Full Compatibility: Utilizes a pin-compatible TO-263 package, allowing seamless replacement without PCB redesign.
The device leverages advanced Trench technology, ensuring stable and reliable operation under high-stress conditions.
Part 3: Core Value Beyond Specifications
Selecting a domestic alternative offers deeper advantages:
Securing Supply Chains: Reduces reliance on single-source international suppliers, enhancing supply stability and production continuity.
Cost Optimization: Provides competitive pricing with equal or better performance, potentially lowering overall system costs (e.g., thermal management).
Accessing Agile Local Support: Domestic suppliers enable faster technical assistance and customized solutions for specific application needs.
Strengthening the Industrial Ecosystem: Each successful adoption fuels experience and innovation in the domestic semiconductor sector, creating a virtuous cycle of growth.
Part 4: A Robust Path for Substitution Implementation
To ensure a smooth transition, follow these steps:
Detailed Specification Review: Compare all electrical parameters and characteristic curves meticulously.
Rigorous Laboratory Testing: Perform static/dynamic parameter tests, temperature rise and efficiency evaluations, and reliability stress assessments.
Small-Batch Pilot Verification: Trial the component in real-world products and environments, monitoring long-term performance.
Develop a Switchover and Backup Plan: Implement substitution gradually after validation, while retaining the original design as a short-term backup option.
Conclusion: Moving from "Usable" to "Excellent"
The progression from the BUK662R7-55C,118 to the VBL1602 illustrates that domestic power semiconductors now compete with and exceed international classics in key aspects. Adopting such high-performance domestic components is not only a practical response to supply chain challenges but also a strategic step toward building an autonomous, resilient, and innovative industrial future. Now is the time to actively evaluate and integrate quality domestic solutions.