The SMAJ40A 400W Transient Voltage Suppressor (TVS) Diode from RUILON is a high-reliability surge protection component designed to protect sensitive electronic circuits from voltage transients, electrostatic discharge (ESD), and high-energy surge events. Encapsulated in a compact SMA (DO-214AC) package, it delivers strong surge absorption capability while ensuring efficient surface-mount integration for modern electronic designs.
The SMAJ40A provides fast response clamping action, effectively limiting over-voltage spikes before they can damage critical semiconductor devices such as ICs, microcontrollers, and communication interfaces. With a peak pulse power rating of 400W, it offers robust energy-handling capability suitable for demanding industrial, automotive, and consumer electronics applications.
This device features low leakage current under normal operating conditions, ensuring minimal power loss and improved system efficiency. Its stable breakdown voltage characteristics and high surge endurance make it highly reliable in environments exposed to repetitive electrical stress, including inductive load switching and lightning-induced transients.
Compared to lower-voltage TVS devices, the SMAJ40A offers higher clamping levels and improved durability, making it suitable for applications requiring enhanced voltage tolerance and long-term reliability.
Key Features:
- 400W peak pulse power dissipation capability
- Fast response time for transient suppression
- Low leakage current for energy-efficient operation
- High surge current handling capability
- Stable breakdown voltage performance
- Compact SMA (DO-214AC) surface-mount package
- High reliability under repetitive surge conditions
- RoHS compliant and environmentally friendly design
Applications:
- Power supply input/output protection
- Industrial automation systems
- Communication and networking equipment
- Automotive electronic modules
- Consumer electronic devices
- LED lighting driver protection
- Signal and data line protection
- Microcontroller and semiconductor protection
RUILON SMAJ40A ensures reliable transient voltage suppression with high surge capability, compact design, and long-term durability for advanced electronic protection applications.
