SMAJ100A-TR

Current - Peak Pulse (10/1000µs):	11A (8/20µs)
Base Part Number:	SMAJ
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
Series:	SMAJ, TRANSIL™
Voltage - Clamping (Max) @ Ipp:	212V
Voltage - Breakdown (Min):	111V
Voltage - Reverse Standoff (Typ):	100V
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Part Status:	Obsolete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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SMAJ100A-TR Application Field and Working Principle of TVS Diodes

TVS diodes, or Transient Voltage Suppressors, are solid state voltage limiting devices used for protecting a circuit, component, or device from overvoltage situations. They function as a clamping device and open circuit the circuit when overvoltage is present, absorbing the excess energy and protecting the device. The SMAJ100A-TR, made by leading semiconductor manufacturer Littelfuse, is a popular choice of TVS diode that offers excellent protection in a variety of situations.The SMAJ100A-TR is designed for use in high voltage spike protection circuits, providing protection from overvoltages up to 100 volts. It utilizes a symmetrical bidirectional avalanche diode design that ensures protection against overvoltages on both polarities of the input signal. The diode is constructed using ultra-low capacitance metal-oxide silicon (MOS) technology, which allows it to provide fast response times to incoming voltage transients. The SMAJ100A-TR is rated for 1.5 amperes peak current and has a breakdown voltage of 5.7V and a clamping voltage of 33V.The SMAJ100A-TR is commonly used in applications where it is necessary to protect sensitive electronic equipment from voltage spikes and surges. It can be used in a variety of environments such as automotive, industrial, telecommunications, and medical applications. It is also used in applications that require high temperature and/or moisture resistant protection, as the SMAJ100A-TR is rated for operation from -55 °C to +150 °C and from -40 °C to +105 °C with humidity.The SMAJ100A-TR can be used in both AC and DC circuits, making it an ideal choice for protecting against both transient and DC overvoltage conditions. It is also designed to be Surge Pluggable, allowing for easy installation and protection in equipment that has limited space. The SMAJ100A-TR can also be used in combination with other components to provide circuit protection without the need to design the system around a single component.The working principle of the SMAJ100A-TR is simple. When a voltage transient occurs, the diode begins to conduct current. As the current increases, the junction voltage of the diode increases until it reaches the breakdown voltage, at which point the diode\'s internal resistance drops significantly and a majority of the incoming energy is diverted to the load and the excess is dissipated. This prevents the voltage from exceeding the maximum allowed rating of the device, protecting it from damage.The SMAJ100A-TR is an excellent choice for protecting a circuit or device from overvoltages. It is designed for a wide variety of applications and offers both fast response times and superior surge protection. Its ease of installation and combination with other components make it an ideal choice for both AC and DC circuit applications.

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