BZX84C6V8-TP

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	6.8V
Tolerance:	±6%
Power - Max:	350mW
Impedance (Max) (Zzt):	15 Ohms
Current - Reverse Leakage @ Vr:	2µA @ 4V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23
Base Part Number:	BZX84C6V8

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Diodes - Zener - Single

A BZX84C6V8-TP is a single Zener diode, also known as a voltage regulator. This diode operates in reverse breakdown - a unique operating mode in which the current is independent of the applied voltage. The grade of the BZX84C6V8-TP consists of three different levels of Zener voltage, ranging from 6.1V to 6.8V.

Applications of the BZX84C6V8-TP

A wide range of applications employ BZX84C6V8-TP for voltage regulation purposes. These diodes are used to stabilise power output in various power supply units, by operating in reverse breakdown to ensure a constant temperature output. It also works in conjunction with a simple resistor-capacitor network to form a voltage limiter, adjustable voltage regulation, or even an oscillator. Additionally, these diodes find use in automotive gearboxes as well as circuit protection devices.

Working Principle of the BZX84C6V8-TP

In order to understand the working principle of a BZX84C6V8-TP, one must first understand the nature of current flow through a conventional electrical circuit. In a normal circuit, the current is proportional to the voltage. As the voltage increases, the current increases proportionally and vice versa.However, in a Zener diode, the current is independent of the applied voltage as long as the voltage is equal to or less than the Zener breakdown voltage (Vz). This is what is known as reverse breakdown. Above the Vz voltage, the current will start to behave normally - increasing with the increase in applied voltage.When using the BZX84C6V8-TP, the applied voltage should not exceed the Vz voltage at any given time. Otherwise, the diode\'s specified current rating may be exceeded, resulting in thermal and electrical damage.

Conclusion

The BZX84C6V8-TP is a single Zener diode for voltage regulation purposes. It works in reverse breakdown mode, where the current is independent of the applied voltage as long as the voltage is below the Zener breakdown voltage. These diodes are used in power supply units, voltage limiters, adjustable voltage regulation, automotive gearboxes and circuit protection devices. In order to function effectively and prevent damage, the applied voltage should never exceed the Zener breakdown voltage.

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