The SM4T35AY is a high-performance transient voltage suppression (TVS) diode from STMicroelectronics, a global semiconductor leader. This robust Transil™ diode is designed to protect sensitive electronic equipment from voltage transients induced by system inductive load switching and lightning surges. The SM4T35AY is an ideal solution for a wide range of applications, including automotive systems, industrial controls, power supply units, and consumer electronics.
Key Features
- Stand-off Voltage: The device has a stand-off voltage of 35V, which makes it suitable for a variety of applications that operate within this voltage range.
- Peak Pulse Power Dissipation: With a peak pulse power dissipation of 400W (10/1000µs surge), the SM4T35AY can effectively clamp and withstand significant surge events.
- Low Leakage Current: It has a low leakage current, ensuring minimal power loss during normal operation and enhancing the overall efficiency of the circuit.
- Fast Response Time: The device reacts quickly to transient over-voltage events, providing prompt protection for sensitive components.
- Unidirectional TVS: As a unidirectional TVS diode, the SM4T35AY is optimized for scenarios where surge protection is needed in one direction only.
Applications
The SM4T35AY is versatile and can be used in various applications to protect against voltage transients. Common applications include:
- Automotive systems where reliability and robustness are critical
- Industrial control systems that require stable operation in harsh environments
- Power supply units that need protection from electrical surges
- Consumer electronics to extend the lifespan of devices by guarding against voltage spikes
Product Specifications
| Parameter |
Value |
| Stand-off Voltage (VRWM) |
35V |
| Peak Pulse Power Dissipation (PPP) |
400W |
| Leakage Current (ID) |
Very Low |
| Response Time (tresponse) |
< 1ns |
With its robust design and reliable performance, the SM4T35AY is the go-to TVS diode for those seeking to enhance the durability and longevity of their electronic products.