In applications requiring robust power switching such as DC-DC converters, motor drives, battery management systems, and power tools, onsemi's ATP405-TL-H has been a common selection for designers, valued for its balance of voltage rating and current handling. However, navigating global procurement challenges—extended lead times, cost volatility, and distant technical support—remains a persistent hurdle for many enterprises. This reality accelerates the shift toward domestic alternatives, transforming them from a contingency plan into a strategic imperative for securing supply chains and optimizing costs.
Responding to this market need, VBsemi introduces the VBE1104N N-channel power MOSFET. Developed through independent R&D, this device serves as a direct, pin-to-pin replacement for the ATP405-TL-H, delivering parameter enhancements, full package compatibility, and the reliability of localized manufacturing—enabling a seamless upgrade path without circuit redesign.
Superior Electrical Parameters for Enhanced Performance
The VBE1104N is engineered not just to match but to exceed key specifications of the ATP405-TL-H, providing additional headroom and efficiency:
- It maintains the same 100V drain-source voltage (Vdss) and 40A continuous drain current (Id), ensuring full coverage of the original application requirements.
- A lower on-state resistance of 30mΩ (typical @10V VGS) compared to the ATP405-TL-H's 33mΩ reduces conduction losses, leading to improved system efficiency and lower thermal dissipation.
- The device supports a gate-source voltage (VGS) of ±20V, offering robust protection against gate voltage spikes. A standard 1.8V gate threshold voltage ensures reliable switching and compatibility with common driver ICs.
Advanced Trench Technology for Reliability
While the ATP405-TL-H employs proven planar technology, the VBE1104N utilizes an advanced Trench process. This technology optimizes the cell structure to achieve lower specific on-resistance (RDS(on)) and improved switching characteristics. The result is enhanced efficiency in high-frequency switching applications and superior thermal performance. The device is fully rated for an operating junction temperature up to 150°C and is subjected to rigorous reliability testing, ensuring stable operation in demanding environments such as industrial automation and automotive subsystems.
Seamless Drop-In Replacement with TO-252 Package
The VBE1104N is housed in a standard TO-252 (DPAK) package, which is mechanically and electrically identical to the ATP405-TL-H's package. This complete footprint compatibility allows for immediate substitution onto existing PCB layouts without any modifications to the board design, thermal management, or assembly process. Engineers can validate the replacement quickly, often within days, eliminating the time and cost associated with redesign, re-qualification, or tooling changes.
Guaranteed Supply and Proximity Support
Leveraging VBsemi's integrated domestic manufacturing and supply chain, the VBE1104N offers predictable lead times and stable pricing, free from the uncertainties of international logistics and tariffs. Local technical support provides rapid, tailored assistance—from detailed substitution guides and application notes to direct engineering consultation—ensuring a smooth and low-risk transition from the ATP405-TL-H.
From power supplies and motor controls to battery protection circuits and inverters, the VBE1104N stands as a high-performance, reliable, and supply-secure alternative to the ATP405-TL-H. Choosing the VBE1104N is more than a component swap; it is a strategic step toward greater design independence, cost control, and supply chain stability, backed by superior electrical characteristics and local expertise.