SM6T200A

Current - Peak Pulse (10/1000µs):	11.3A (8/20µs)
Base Part Number:	SM6T
Supplier Device Package:	SMB (DO-214AA)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Series:	SM6T, TRANSIL™
Voltage - Clamping (Max) @ Ipp:	353V
Voltage - Breakdown (Min):	190V
Voltage - Reverse Standoff (Typ):	171V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

The SM6T200A is a transient voltage suppressor (TVS) diode manufactured for applications with high-voltage protection. Its high-protected breakdown voltage and transient surge capability make it ideal for use in protecting sensitive circuits from power surges and other voltage transients. In this article we will look at the application field and working principle of the SM6T200A.

Application Field

The SM6T200A is designed for use in high-voltage applications, such as automotive, industrial, telecommunications, and personal protection equipment. It is ideal for use in automotive sensor protection, power line protection in industrial and communications applications, electrical device protection in consumer electronic products, and personal protection equipment. The SM6T200A is also typically used in harsh environments where mechanical shock, vibration, or high ambient temperatures are present.The SM6T200A is also commonly used in over-voltage protection circuits. It is specially designed to quickly clamp transient voltages to safe levels by drawing large amounts of current when its breakdown voltage is exceeded. This ensures that the surge pulse is dissipated for the duration of the voltage transient while preventing overload to protected equipment.

Working Principle

The SM6T200A is composed of two components: an anode and a cathode. When a voltage transient occurs, the voltage on the anode causes a current to flow through the device, and this current causes the voltage at the anode to drop to a safe level. The SM6T200A has a low capacitance between the anode and cathode, which ensures a fast switching response time and minimal influence on signal transmission.Another important feature of the SM6T200A is its reverse polarity protection. If a reverse voltage is applied to the device, the current will be blocked even if the voltage exceeds the breakdown voltage, making it ideal for applications where reverse polarity is a concern.In addition to these features, the SM6T200A also offers a high surge capability, making it suitable for use in high-end applications such as industrial machines and electrical devices.

Conclusion

The SM6T200A is an excellent choice for applications requiring high-voltage protection and surge capability. With its low capacitance, fast switching response time, and reverse polarity protection, it is well-suited for use in a wide range of industrial, automotive, telecommunications, and consumer electronics applications.

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