MTZJT-727.5A

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	7.5V
Tolerance:	±3%
Power - Max:	500mW
Impedance (Max) (Zzt):	20 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 4V
Operating Temperature:	--
Mounting Type:	Through Hole
Package / Case:	DO-204AG, DO-34, Axial
Supplier Device Package:	MSD

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MTZJT-727.5A is a single type ZENER diode with an operating voltage of 7.8-7.9 V and a leakage current of 1A. It is designed to provide protection from overvoltage transients, such as a voltage spike or transient surge, in electronic circuits.The MTZJT-727.5A diode consists of a cathode, an anode, and a highly doped PN junction. The operation of the diode is based upon the principle of thermionic emission, which is a phenomenon wherein electrons are suddenly emitted from the surface of a hot object due to its temperature. In this case, the PN junction is heated by a small current to the point that electrons in the PN junction are emitted and flow towards the anode. The voltage at the anode is equal to the anode-cathode voltage distribution.The MTZJT-727.5A diode has various applications due to its ability to protect against voltage transients. Primarily, it can be used as a protection device in power supplies to protect components from excessive voltages caused by overvoltage faults. It can also be used in other types of circuits, such as motor control or interfacing circuits, as well as providing additional protection for ultra-sensitive electronic devices.In addition, the MTZJT-727.5A diode can be used in television sets as a clamping device to eliminate high voltage spikes on its outputs during shutdown. Its usage in this particular circuit ensures that its components are protected from damage.The working principle of the MTZJT-727.5A diode is simple yet effective. It works by clamping the output voltage to a predetermined level. This is done by providing an additional line of defense for other components in the circuit. When an overvoltage is detected, the diode conducts and diverts most of the current to the groundpath. This prevents the other components from being destroyed by the excessive voltage.The MTZJT-727.5A diode is a highly reliable device, having a reverse-breakdown voltage of 7.8-7.9 V and a leakage current of 1A. It is made of 5 mm high-power-on-semiconductor substrate and is RoHS compliant.Overall, the MTZJT-727.5A diode is a versatile device that can be used in many different applications. It is a great solution for protecting electronic circuits against overvoltage transients, being capable of withstanding high voltages without being damaged. Its usage in television circuits eliminates high voltage spikes on its outputs during shutdown, thus ensuring that its components are not damaged. Additionally, the diode is highly reliable and utilizes a simple yet effective working principle.

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