1N4729APE3/TR12

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	3.6V
Tolerance:	±5%
Power - Max:	1W
Impedance (Max) (Zzt):	10 Ohms
Current - Reverse Leakage @ Vr:	100µA @ 1V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-204AL (DO-41)
Base Part Number:	1N4729

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Diodes - Zener - Single

Zener diodes are a type of semiconductor diode that is designed to allow electrons to flow both ways and has a voltage breakdown point. The 1N4729APE3/TR12 is a single Zener diode and falls into this category.

Application Field of 1N4729APE3/TR12The 1N4729APE3/TR12 is most commonly used as a voltage regulator. It creates a regulated voltage output from an unregulated voltage input. The diodes can be used in either series or parallel configurations to create the desired voltage level. The rated power for this series of Zener diodes is 2W.The 1N4729APE3/TR12 is also used in electronic circuits as a protection device. This device can be used to protect the circuit from high or low voltages, by limiting the voltage to a set level. This can help to prevent damage to the components or to the circuit itself.

Working Principle of 1N4729APE3/TR12The 1N4729APE3/TR12 Zener diode works on the principle of "Zener breakdown" which is simply the breakdown of the electric field between two closely spaced contacts. This electric field increases dramatically when the voltage between the two contacts reaches a certain level and the Zener Diode is designed to allow electrons to flow through by breaking down the electrical field.When the voltage between the two contacts reaches the "breakdown" threshold, the current flow through the diode increases dramatically. This increased current flow helps to regulate the voltage in the circuit by limiting the maximum voltage. This helps to protect the circuit from high voltages which could potentially damage components or circuit board.The 1N4729APE3/TR12 also has two terminal pins which makes it easier to connect it to other components or the circuit board itself. The two terminals provide better heat dissipation, making it ideal for high power applications.

ConclusionThe 1N4729APE3/TR12 Zener diode is a popular device in electronic circuits, due to its versatility and ability to protect components and the overall circuit from high and/or low voltages. It is a single Zener diode and is used mainly as a voltage regulator or as a protection device. The two terminal pins make it easy to connect to other components and the rated power of 2W allows it to be used in a variety of high power applications. The working principle of the 1N4729APE3/TR12 is based on the principle of Zener breakdown, which is the breakdown of the electric field between two closely spaced contacts. This electric field increases when the voltage between the two contacts reaches a certain level and the Zener Diode is designed to allow electrons to flow, thus regulating the voltage.

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