SM15T36CAY

The SM15T36CAY is a transient voltage suppressor (TVS) diode manufactured by STMicroelectronics, designed to protect sensitive electronic components from voltage spikes and transients. This device is particularly useful in applications where overvoltage protection is critical, such as in telecommunications, automotive electronics, and industrial equipment.

Key Features:

1. Voltage Rating: The SM15T36CAY is rated for a breakdown voltage of approximately 36V, making it suitable for clamping voltage spikes that exceed this threshold. It is designed to handle transients in a wide range of applications.

2. Power Dissipation: This TVS diode can handle a peak power dissipation of up to 1500W (for a very short duration, typically 8/20 µs pulse), which allows it to absorb significant energy from voltage spikes without failing.

3. Package Type: The device is typically housed in a DO-214AA (SMB) package, which is a surface-mount package that provides a compact footprint while ensuring good thermal performance. This makes it suitable for high-density circuit board layouts.

4. Low Clamping Voltage: The SM15T36CAY features a low clamping voltage, which means that it will limit the voltage seen by the protected components to a lower level during a transient event, thereby reducing the risk of damage.

5. Fast Response Time: The device is designed to respond quickly to transient events, ensuring that it can effectively protect sensitive components from fast-rising voltage spikes.

6. Bidirectional Protection: The SM15T36CAY provides bidirectional protection, meaning it can clamp voltage spikes in both positive and negative directions. This is particularly useful in applications where the polarity of the voltage can vary.

7. Applications: Common applications for the SM15T36CAY include ESD protection for data lines, surge protection for power lines, and general overvoltage protection in consumer electronics, automotive systems, and industrial controls.

8. Compliance and Reliability: The device is designed to meet various industry standards for reliability and performance, ensuring that it can be used in critical applications where failure is not an option.

Electrical Characteristics:

• Reverse Stand-off Voltage (V_RWM): 36V
• Breakdown Voltage (V_BR): Typically around 40V
• Clamping Voltage (V_C): Maximum clamping voltage during a specified surge current
• Peak Pulse Power (P_PP): 1500W (8/20 µs)
• Capacitance (C): Low capacitance, ensuring minimal impact on signal integrity in high-speed applications.

Conclusion:

The SM15T36CAY from STMicroelectronics is a robust and reliable transient voltage suppressor diode that offers effective protection against voltage transients. Its combination of high power handling capability, low clamping voltage, and fast response time makes it an ideal choice for a wide range of electronic applications where overvoltage protection is essential.