SM5S12ATHE3/I

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The SM5S12ATHE3/I is an industrial-grade bidirectional transient voltage suppressors (TVS) diode, able to operate with a wide range of voltages and provide generous surge protection. It is designed for use in data lines, power lines, control lines, and other electronic systems.

Applications

The SM5S12ATHE3/I offers a wide range of applications within the industrial and telecom sectors. It features fast response, low clamping voltage and ample protection for all kinds of transient voltage spikes and power surges. Its main application fields are:

• Industrial Control/Automation: The SM5S12ATHE3/I is able to provide enhanced system protection against electrical noise, such as EMI and ESD, in industrial control systems, automation systems, and PLCs.
• Telecommunications: In the telecom sector, the SM5S12ATHE3/I can help to prevent shutdowns due to power surges or other kinds of electrical interference in wide variety of systems, such as relays, transformers, power supplies, etc.
• Data/Networking: When it comes to data networks, the SM5S12ATHE3/I provides excellent surge and spike protection, helping to minimize downtime and prevent equipment failures.
• Other Applications: The SM5S12ATHE3/I can also be used in other applications, such as in voltage sensors or LED systems.

Benefits

The SM5S12ATHE3/I offers a number of benefits, including:

• Compact size: The device is small in size, which makes it ideal for use in space-limited applications.
• High surge capability: The device is able to withstand up to 150A of surge capability, offering ample protection against most transient voltage surges or power spikes.
• High reliability: This device has been designed for long-term reliable operation in industrial and telecom applications.
• Wide operating temperature range: The device can operate at temperatures ranging from -55°C to +150°C, providing superior performance and protection in harsh operating conditions.
• Fast response time: The device is able to respond quickly to changing voltage levels and protect systems from unwanted electrical interference.
• Low clamping voltage: The device has a low clamping voltage of only 4.5V, offering superior protection in high-voltage environments.

Working Principle

The working principle of the SM5S12ATHE3/I is based on the avalanche breakdown in a semiconductor PN junction. When the voltage across the PN junction surpasses the specified breakdown voltage (the clamping voltage), the excess electric current is conducted away from the circuit, effectively suppressing the transient voltage.

When the epoxy is heated up, the softening point of the material is reached, allowing the voltage breakdown to occur. The device will then clamp the voltage, limiting it to the breakdown voltage of the device. This ensures that the voltage in the circuit remains within safe limits, protecting the system from damage due to power surges or other transient events.

The SM5S12ATHE3/I is designed to provide fast response times, making it ideal for use in applications where rapid response is needed. Furthermore, the device is able to withstand up to 150A of surge capability, meaning it can provide ample protection against transient voltage surges or power spikes.

Conclusion

The SM5S12ATHE3/I is an industrial-grade bidirectional transient voltage suppressors (TVS) diode, designed to provide enhanced system protection against electrical noise, such as EMI and ESD, in industrial control systems, automation systems, and PLCs. It features fast response, low clamping voltage and ample protection for all kinds of transient voltage spikes and power surges. Furthermore, its compact size and wide operating temperature range make it an ideal choice for use in space-limited and harsh operating conditions.

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