SMB10J16A-E3/52

Current - Peak Pulse (10/1000µs):	38.5A
Base Part Number:	SMB10J
Supplier Device Package:	DO-214AA (SMB)
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:	1000W (1kW)
Series:	TransZorb®
Voltage - Clamping (Max) @ Ipp:	26V
Voltage - Breakdown (Min):	17.8V
Voltage - Reverse Standoff (Typ):	16V
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 to the SMB10J16A-E3/52 TVS Diode

The SMB10J16A-E3/52 TVS diode, a transient voltage suppressor diode specific to silicon avalanche diode (SADs) technology, is a combination of two passive components, a Zener diode and a Relay-Switch built in the same package. This special diode is designed to control electrical transients or surges. It is selected by its reverse breakdown voltage and is particularly in demand in applications requiring ultra-fast response time.

Application Field and Working Principle

The SMB10J16A-E3/52 TVS diode is mainly employed in today\'s automotive and industrial environments as a form of voltage or current protection. It can be used in any situation where transients or surges can occur, such as car engines, robotics, or domestic electronic appliances.The SMB10J16A-E3/52 TVS is designed according to ordinary diode behavior. This means it has a reverse breakdown voltage area in which its forward voltage is around 6 volts and is designed to be triggered when the current exceeds a certain level. When a surge appears, the TVS diode may respond in terms of microseconds while a standard diode\'s response is in the order of milliseconds.The device is also designed with a variable VBR, ranging from about 5 volts to about 52 volts. During operation, the SMB10J16A-E3/52 TVS diode is clamped to the respective voltage level in order to limit the possible current and voltage passing through it. This clamping principle is responsible for the diode\'s protection from high voltages, short circuits, and excessive current.In the current flow direction, the diode combination acts as an open circuit and allows no current to pass. However, when a transient or an overcurrent occurs, the diode changes to the clamping state and limits the amount of energy provided to the device. When the load is connected in reverse direction, the combination acts as a short circuit and therefore protects its surroundings from a very high voltage.In order to understand the operation of the SMB10J16A-E3/52 TVS diode, it is important to distinguish the various stages of its operation. In the normal condition, the diode exhibits a forward voltage for the VBR range, this voltage is not greater than 6 volts. During this stage, current flows through the device without any restriction. The moment a surge or high voltage occurs, the diode automatically enters the breakdown stage, during which it reaches its subjective VBR. After the surge, the diode goes back to the normal condition, allowing for another current cycle.A diode\'s protection relies largely on the current-carrying capability of the device. A high-current device can generally handle more current, while a low-current device will activate its breakdown voltage sooner than its high-current counterpart. It is important to take these factors into account when selecting a diode for voltage or current protection.

Conclusion

The SMB10J16A-E3/52 TVS diode is a dual combination designed to provide fast protection by far exceeding normal diodes\' response times. Its design and characteristics make it suitable for a range of applications, from automotive and industrial to robotics and domestic electronics. The combination of a Zener diode and a Relay-Switch provides excellent protection against transients or surges, operating as both a short-circuit and an open-circuit depending on the current direction. It has a variable reverse breakdown voltage allowing it to be used in a wide variety of applications, while its current carrying capability allows it to protect against high-voltage levels.

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