KDZTR13B Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Voltage - Zener (Nom) (Vz):	13.8V
Tolerance:	±6%
Power - Max:	1W
Current - Reverse Leakage @ Vr:	10µA @ 10V
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SOD-123F
Supplier Device Package:	PMDU
Base Part Number:	KDZ13

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KDZTR13B Application Field and Working Principle Diodes - Zener - SingleKDZTR13B is a single Zener diode manufactured by ON Semiconductor. This diode is designed to operate in medium power and high-reliability applications. It is qualified in accordance with JEDEC standard and AEC-Q101 qualified. This diode is available in a TO-92 package and has a low leakage current. Application Field KDZTR13B single Zener diode is suitable for a wide variety of applications, such as in medium power consumer electronics, communications, LED lighting, and consumer appliances. These diodes can also be used in motor control, medical, automotive, and high voltage power supplies.Due to its low forward voltage drop, fast switching time, and low capacitance, this diode is suitable for low-power switching applications such as switching regulators, power supplies, and AC/DC converters. Moreover, these diodes provide a good heat dissipation and feature high-current tolerance. Working Principle KDZTR13B single Zener diode is a two-terminal, polarised semiconductor diode, that offers a complete and reliable protection against transients in the electronic circuits. The diode works in a reverse bias and passes the current only when the reverse bias voltage surpasses a certain pre-defined value. The reverse bias voltage is referred to as the Breakdown Voltage of the diode. In a normal forward bias operation, the diode behaves just like a normal diode and passes the current across it. The forward voltage drop of the diode is not a constant but it is a function of forward current. In simple words, it is dependent on the amount of current passing through it. However, when it comes to a reverse bias operation, the current does not pass across the diode until the voltage exceeds the breakdown voltage, which is referred to as the zener voltage in case of the zener diode. Once the breakdown voltage is reached, the diode enters the Zener region of operation, and the current starts increasing exponentially with increasing reverse bias voltage. This region is called Avalanche Breakdown, and the current in this region is constant and is independent of reverse bias voltage. In other words, once the voltage reaches the Zener voltage, the current through the diode remains constant and is called the Zener current. It can be seen that the circuit is designed such that the current passing through it remains constant if the voltage across the diode is kept within the Zener voltage. This feature makes it ideal for applications such as voltage regulation, transient protection, and ESD protection. In the automotive industry, KDZTR13B single Zener diode is used in several applications like voltage clamps, surge protectors, and ESD protection. It is also used to provide overvoltage and reverse polarity protection to the components in the circuit. ConclusionKDZTR13B single Zener diode is a medium power, high-reliability device manufactured by ON Semiconductor. This diode is suitable for a wide variety of applications in the consumer electronics, communications, LED lighting, and consumer appliances. Moreover, it is also used for motor control, medical, automotive, and high voltage power supplies. The diode works in a reverse bias and passes the current only when the reverse bias voltage surpasses a certain pre-defined value known as the Breakdown Voltage. Moreover, it enters the Zener region of operation, and the current through the diode remains constant and is called the Zener current. It can be used in many applications such as voltage regulation, transient protection, and ESD protection.

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