SM8S15HE3/2D

Current - Peak Pulse (10/1000µs):	245A
Base Part Number:	SM8S
Supplier Device Package:	DO-218AB
Package / Case:	DO-218AB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	6600W (6.6kW)
Series:	Automotive, AEC-Q101, PAR®
Voltage - Clamping (Max) @ Ipp:	26.9V
Voltage - Breakdown (Min):	16.7V
Voltage - Reverse Standoff (Typ):	15V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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The SM8S15HE3/2D TVS diode is a state-of-the-art component used for protection from over-voltage transients. It can be implemented in a wide range of electronic devices and products. The device provides superior protection levels and satisfies high-speed data transmission requirements. This article will provide an overview of the application fields and the working principle of the SM8S15HE3/2D TVS diode.Application FieldThe field of application of the SM8S15HE3/2D TVS diode is quite vast. It is an indispensable component for protecting a wide range of electronic equipment, from computers and servers to communications equipment and consumer electronics. The device is also applicable in the automotive and aerospace industries, making it an especially popular choice in harsh environments.The SM8S15HE3/2D is also suitable for multiple communication standards such as USB, LTE, IEC 61000-4-2, IEEE C37.90.1, and EIA/TIA-422-B. Its rugged construction allows the device to survive power surges of between -8kV and +90kV, making it ideal for a variety of industries.Working PrincipleThe SM8S15HE3/2D TVS diode provides two-stage protection. The first stage is the breakdown mode, which is triggered by over-voltage. When the voltage reaches the diode\'s breakover voltage (VBR), it will suddenly reduce the voltage from the transient down to an acceptable level. This is done by redirecting the current flow away from the sensitive components of the circuit.The second stage is the clamping mode, which is triggered by a second, or secondary, over-voltage spike. This is done by reducing the voltage across the devices clamping diodes. This is achieved by the diode\'s internal structure, which is designed to withstand up to 90kV, or ±8kV depending on the device type.The SM8S15HE3/2D TVS diode is designed to provide reliable and fast protection from transient over-voltage. It is one of the most robust solutions available, providing multiple protection levels that ensure components are safe from power spikes.Conclusion The SM8S15HE3/2D TVS diode is a high performance device used to provide protection from transient over-voltage. It is well-suited for a variety of industries where robust protection is required, such as the automotive and aerospace industries. The device\'s two-stage protection system allows it to survive high voltage transients, ensuring the protection of sensitive components from unexpected power surges.

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