In various medium-voltage, high-current application scenarios such as switch-mode power supplies, motor drives, DC-DC converters, and industrial control systems, RENESAS IDT's 2SJ606-Z-AZ, with its robust performance and efficient switching characteristics, has long been a key component for engineers worldwide. However, amid persistent global supply chain challenges and trade uncertainties in the post-pandemic era, this imported part has gradually revealed several pain points: unpredictable lead times (often extending to several months), procurement costs vulnerable to currency fluctuations, and delayed technical support responses. These issues significantly hinder downstream companies' production schedules and cost management. In this context, domestic substitution has evolved from an "option" to a "necessity," becoming a critical pathway for enterprises to ensure supply chain security, reduce expenses, enhance efficiency, and strengthen core competitiveness.
Leveraging years of expertise in the power semiconductor field, VBsemi has introduced the VBL2611 P-channel power MOSFET based on its independent R&D capabilities. This product is precisely tailored as a direct alternative to the 2SJ606-Z-AZ, offering core advantages of parameter upgrades, technological parity, and full package compatibility. It can serve as a drop-in replacement without any circuit modifications, delivering a more stable, cost-effective, and locally supported high-quality solution for various medium-voltage electronic systems.
Comprehensive Parameter Surpassing, Ample Performance Redundancy, Adapting to More Demanding Conditions.
Designed as a domestic alternative to the 2SJ606-Z-AZ, the VBL2611 achieves across-the-board, leapfrog improvements in key electrical parameters, providing stronger performance guarantees for medium-voltage, high-current applications:
Firstly, the drain-source voltage is maintained at 60V, ensuring compatibility while offering robust performance in standard industrial environments. The gate-source voltage rating of ±20V enhances gate ESD protection and noise immunity, preventing accidental turn-on in complex electromagnetic conditions.
Secondly, the continuous drain current is increased to 100A, significantly surpassing the original model's 83A—a 20.5% enhancement in current-carrying capacity. This enables seamless adaptation to higher-power circuit designs, whether upgrading existing equipment or improving system stability at the same power level.
Thirdly, the on-state resistance is as low as 11mΩ (@10V gate drive), outperforming the 2SJ606-Z-AZ's 23mΩ (@4.0V). This substantial reduction in conduction losses directly contributes to higher overall system efficiency. Particularly in high-frequency switching applications, it minimizes heat generation, easing thermal design constraints and lowering cooling costs.
Additionally, the VBL2611 features a gate threshold voltage of -3V, balancing drive convenience and switching reliability, and is fully compatible with mainstream driver ICs without requiring circuit adjustments. This further simplifies the substitution process.
Enhanced with Advanced Trench Technology, Reliability and Stability Inherited and Upgraded.
The core strength of the 2SJ606-Z-AZ lies in its efficient switching and low conduction losses. The VBL2611 employs industry-leading Trench technology, building upon the original model's excellent characteristics while optimizing device reliability across multiple dimensions. The device undergoes rigorous avalanche testing and high-voltage screening before shipment, demonstrating superior single-pulse avalanche energy capability. It effortlessly handles energy surges during high-current turn-off, reducing the risk of device failure from avalanche breakdown. Through optimized intrinsic capacitance design, it not only lowers charge/discharge losses during switching but also enhances dv/dt tolerance, perfectly matching the 2SJ606-Z-AZ's application scenarios. Even under harsh conditions like high-frequency switching and rapid transients, it maintains stable operation without circuit topology changes. Furthermore, the VBL2611 offers a wide operating temperature range, typically from -55°C to 150°C, adapting to diverse environments such as industrial high-temperature settings or outdoor extremes. Having passed extended high-temperature/high-humidity aging tests and long-term reliability verification, its failure rate is well below industry averages, providing solid assurance for continuous equipment operation—especially suited for critical fields like automotive systems, industrial automation, and power management.
Fully Compatible Package, Enabling "Virtually Cost-Free, Risk-Free, and Immediate" Replacement.
For downstream enterprises, a primary concern in domestic substitution is the R&D investment and time cost involved. The VBL2611 addresses this fundamentally through its package design. The device uses a TO-263 package, which is fully identical to the 2SJ606-Z-AZ's package in pinout, pin spacing, dimensions, and heatsink compatibility. Engineers need not alter the original PCB layout or thermal design, achieving true "plug-and-play" replacement. The benefits of this high compatibility are clear: it drastically reduces verification time, eliminating the need for circuit redesign, simulation, and extensive testing—sample validation can typically be completed within 1-2 days. It also avoids additional costs from PCB revisions or mold adjustments while preserving the original product's structural integrity, eliminating re-certification needs. This streamlines the supply chain, helping enterprises swiftly achieve import substitution and capture market opportunities.
Local Strength Assurance, Dual Peace of Mind for Supply Chain Security and Technical Support.
Compared to the volatile supply chains of imported components affected by international logistics, trade policies, and exchange rates, VBsemi leverages China's mature semiconductor industry chain, with modern production bases and R&D centers in Jiangsu, Guangdong, and beyond. This ensures full-process independent R&D and stable mass production of the VBL2611. Currently, the standard lead time for this model is compressed to under 2 weeks, with expedited orders enabling 72-hour rapid delivery. This effectively mitigates risks from global supply chain disruptions, tariff barriers, and geopolitical factors, providing reliable support for enterprise production plans. Simultaneously, as a local brand, VBsemi offers a professional technical support team delivering "one-on-one" customized services: comprehensive documentation including substitution verification reports, detailed datasheets, thermal design guides, and application circuit references, plus tailored selection advice and circuit optimization based on specific customer needs. For any technical issues during substitution, the team provides rapid responses within 24 hours, assisting via on-site or remote resolution. This彻底addresses the slow support and high communication costs associated with imported components, making substitution smoother and more worry-free.
From industrial power supplies and motor drives to DC-DC converters and automotive systems; from battery management and UPS units to renewable energy applications, the VBL2611, with its core advantages of "superior parameters, enhanced stability, package compatibility, controllable supply, and attentive service," has become the preferred domestic alternative to the 2SJ606-Z-AZ. It has already been adopted by leading companies across multiple sectors, earning strong market recognition. Choosing the VBL2611 is not merely a component swap; it is a strategic move for enterprises to upgrade supply chain security, optimize production costs, and boost product competitiveness—requiring no R&D modification risks while benefiting from better performance, more stable supply, and more responsive technical support.