Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Unidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	15V
Voltage - Breakdown (Min):	16.7V
Voltage - Clamping (Max) @ Ipp:	24.4V
Current - Peak Pulse (10/1000µs):	24A
Power - Peak Pulse:	600W
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	1020pF @ 1MHz
Operating Temperature:	-65°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB
Supplier Device Package:	SMB
Base Part Number:	1SMB

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TVS – Diodes

TVS (Transient Voltage Suppression) diodes are components that offer protection against high-voltage electrical transients. A transient is a sudden, voltage or current spike that is of sufficient magnitude and duration to cause damage or disruption in the electrical circuit. This type of protection is essential in electronic systems and devices that can be exposed to power surges or electrostatic discharges. The 1SMB15AT3G is a good example of such a component.

Application Field

TVS diodes are used for a variety of purposes, ranging from protecting low voltage/high current components, such as integrated circuits, to providing protection for power supplies. Some of the main application fields are automotive, medical, consumer electronics, and industrial.TVS diodes can be used to protect components and circuits against high voltage transients or surge events. In particular, the 1SMB15AT3G is ideal for a wide variety of applications, such as LCD televisions, communication systems and automotive electronic systems.

Working Principle

The basic working principle of TVS diodes is to provide a high impedance path, so that any surge or power from an external source is diverted. When current passes through the diode, the diode structure quickly changes to an “avalanche” state which creates a path for the current, allowing the excess current to pass through and thus protecting the internal components.The structure of the 1SMB15AT3G diode is specially designed in order to provide fast response times and better performance characteristics. It is equipped with an integrated thermally conductive package, which allows for faster switching times and better heat dissipation. The working principle of the 1SMB15AT3G is quite simple. It consists of a series of vertical PN junction pairs in a single layer over a base. When a surge voltage is present between the anode and cathode (normally zero volts) current surges through the structure, thus providing lightning protection.

Conclusion

The 1SMB15AT3G is a highly reliable, cost effective, high performance transient voltage suppression diode. It provides excellent protection against high-voltage transients and offers superior performance in fast switching applications. Suitable for use in consumer electronics, automotive, medical and industrial applications, it is an ideal choice for a wide range of protection requirements.

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