SM6T39CAHE3/5B

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TVS diodes (Transient Voltage Suppressors) provide a surge protection for equipment subjected to transient overvoltages. The SM6T39CAHE3/5B is a monolithic transient voltage suppressor designed to protect sensitive electronics from overvoltage transients. It offers excellent clamping capability, surge capability, and many other protection features. The SM6T39CAHE3/5B is widely used in a variety of applications, ranging from industrial and automotive electronics to consumer electronics.

The SM6T39CAHE3/5B is a dual Bi-Directional Transient Voltage Suppressor (TVS) diode designed to protect electronic components from damaging transients induced by lightning and other transient voltage events. It features a low dynamic resistance that eliminates the need for external resistors and is rated up to 5W. The SM6T39CAHE3/5B is available in a variety of packages, including center-tapped DIPs, SOT23s, SOICs, and SMDs. It has a low leakage current, fast response time, and excellent ESD protection.

The application field of the SM6T39CAHE3/5B can be broadly classified into the following:

• Telecommunications Equipment: The SM6T39CAHE3/5B is used in telecommunications equipment such as VOIP routers and cellular base stations.
• Consumer Electronics: The SM6T39CAHE3/5B is used in consumer electronics devices such as TVs, audio systems, and laptops.
• Automotive Electronics: The SM6T39CAHE3/5B is used in automotive electronics systems such as engine control units, airbags, and navigation systems.
• Industrial Electronics: The SM6T39CAHE3/5B is used in industrial equipment such as pumps, motors, and control systems.

The working principle of the SM6T39CAHE3/5B is based on the concept of avalanche breakdown. When an overvoltage transient occurs, the SM6T39CAHE3/5B provides a low resistance path to ground for the transient current. This path is created by an avalanche breakdown mechanism that occurs inside the diode. When the avalanche breakdown occurs, the diode switches to a low resistance state and allows the current to flow to ground.

The SM6T39CAHE3/5B can also protect equipment from negative transients, such as ground potential rise and power dips. When a negative transient occurs, the SM6T39CAHE3/5B provides a high resistance path to ground. This path limits the voltage across the affected electronic components and thus helps prevent damage.

The SM6T39CAHE3/5B is designed to handle transients up to 5W with a peak pulse power of 5 kW. The SM6T39CAHE3/5B provides effective protection against electrostatic and induced transients, and provides a minimum breakdown voltage of 5V. The avalanche voltage is typically 10V, and the clamping voltage at 1A is typically 8V. The TVS diode has an operating temperature range of -55C to 125C.

The SM6T39CAHE3/5B is an ideal choice for a wide range of applications where protection from transient overvoltages is required. It offers a low dynamic resistance, fast response time, and excellent ESD protection. The SM6T39CAHE3/5B is a versatile TVS diode that is suitable for use in industrial, automotive, and consumer electronics applications.

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