1N5374B/TR12

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	75V
Tolerance:	±5%
Power - Max:	5W
Impedance (Max) (Zzt):	45 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 54V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 1A
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	T-18, Axial
Supplier Device Package:	T-18
Base Part Number:	1N5374

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Diodes - Zener - Single:
1N5374B/TR12 is a single zener diode with a moderate low power rating, high zener impedance, and low reverse leakage at high temperature junction. It is a general purpose diode suitable for all types of rectification circuits, especially those running high current with reversed battery protection and surge suppression. It is also suitable for a variety of voltage clamping applications.The 1N5374B/TR12 is produced with an N−type semiconductor substrate layer and a metal semiconductor Schottky junction. The figure below shows the symbol for a free body Schottky diode together with two different types of Schottky diodes.A Schottky diode has the same forward voltage drop as a normal diode, but with a reverse voltage below the breakdown voltage of normal diodes. This allows Schottky diodes to be used in many applications where high speed is an important factor.The 1N5374B/TR12 uses a metal-semiconductor diode, rather than the semiconductor-semiconductor diode (often referred to as a PN junction) in regular diodes. This gives it a much lower reverse voltage drop when compared to similar diodes. It also gives it higher maximum current and surge capability.The applications for the 1N5374B/TR12 range from automotive electronics to telecommunications, medical, and industrial applications. In automotive electronics, it can be used in surge protection circuits, reverse battery protection, and voltage clamping. In telecommunications, it can be used in modems, DSL systems, and other telecom applications. In medical and industrial equipment, the 1N5374B/TR12 can be used for rectifying, surge protection, and overvoltage protection.When the 1N5374B/TR12 is connected to a circuit, the electron flow is from the anode to the cathode. When the voltage applied across the diode is positive, the current flows through the diode, allowing the electrons to travel from the anode to the cathode. When the voltage applied is negative, the diode will act as a barrier and no current will flow.In conclusion, the 1N5374B/TR12 is a general purpose single zener diode which offers moderate power rating, high zener impedance and low reverse leakage. Its many applications range from automotive electronics to telecommunications, medical, and industrial applications. Its metal-semiconductor diode design gives it the advantage of a lower reverse voltage drop and higher maximum current.

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