SMAJ15CATR

Voltage - Clamping (Max) @ Ipp:	24.4V
Supplier Device Package:	SMA (DO-214AC)
Package / Case:	DO-214AC, SMA
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	400W
Current - Peak Pulse (10/1000µs):	16.4A
Series:	SMAJ
Voltage - Breakdown (Min):	16.7V
Voltage - Reverse Standoff (Typ):	15V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS – Diodes – SMAJ15CATR Application Field and Working Principle

Transient Voltage Suppressors (TVS ) are semiconductor devices designed to protect sensitive electronics from damage due to voltage spikes, electrostatic lightning, voltage transients, and circuit power surges. Many industries utilize TVS diodes in their equipment to safeguard mission-critical components, especially in the medical, aerospace and military industries.The SMAJ15CATR model is a unidirectional 1500W surface mount transient voltage suppressor (TVS) diode specifically designed to protect against excessive transients and voltages, often referred to as an ES220DT5 or SMAJ1.5A. It’s one of the most powerful single device devices in the semiconductor industry and offers its users a tremendous amount of protection when dealing with transients or voltage spikes.This TVS diode is specifically designed to protect against excessively large voltage transients by clamping the voltage at a predetermined threshold. This means it will be able to absorb and dissipate the excess energy that accompanies a transient without allowing it to damage anything it’s protecting. The SMAJ15CATR is designed to work in a wide variety of applications, including power supplies, audio and telecom systems, consumer electronics, and automotive electronics.The SMAJ15CATR is constructed of two solid-state diodes connected in series, each diode has an anode and a cathode. When an incoming voltage signal is too high and exceeds the diode’s predetermined threshold, the anode of the first diode will become more positive than the cathode of the second diode, thus triggering the diode to conduct. The surplus voltage is then dissipated over the two diodes and its energy is absorbed, thus protecting the device it’s connected to from damage.As a unidirectional TVS, the SMAJ15CATR is designed to absorb voltage surges that travel in one direction. This means it won’t be able to provide protection against current or voltage that varies in direction or varies in magnitude; for these types of applications a bidirectional TVS should be used instead.The SMAJ15CATR has a peak pulse power capability of 1500W and a pulse width of 8/20 us. It has a reverse working voltage of 5V and its maximum clamping voltage is 33V. Its leakage current is very low, usually 0.5nA or less, and it has a very short response time, typically on the order of nanoseconds.Overall, the SMAJ15CATR is a powerful and reliable unidirectional TVS diode that can be used in many industries to provide protection against voltage transients and power surges. Its low leakage current, fast response time, and high peak pulse power capability make it an ideal choice for safeguarding sensitive electronic equipment.

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