1N6027C

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	130V
Tolerance:	±2%
Power - Max:	500mW
Impedance (Max) (Zzt):	950 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 99V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	DO-35

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1N6027C Application Field and Working PrincipleDiodes, or two-terminal electrical devices, are passive components that control the current flow and facilitate electrical conduction. Among the various types of diodes today, Zener diodes, a subset of diodes, are widely used in various applications. The 1N6027C, a major type of Zener diode, can be used in many fields. This article examines the major application field and working principle for the 1N6027C.

Application Field

The 1N6027C finds wide use for noise protections and circuit stabilizing, especially for small glass packages. Its noise protection application comes from its capability of protecting the system from overvoltage caused by switching transients. In particular, the 1N6027C is currently enjoying progress in the medical field, where it is used in medical instrument cabins, defibrillator circuits and patient monitors. Particularly, the 1N6027C is used to relieve overvoltage stress in the medical instrument cabins, as well as increase circuit robustness and reliability. In patient monitors, the 1N6027C is used for patient protection and enhanced lightning/surge protection. In addition, the 1N6027C is also seen in the automotive and computer fields. The 1N6027C can be used to prevent transients or surges from damaging the vehicle circuit, or to protect the cycle control power supply, whichever is needed. Similarly, in the computer field, it is used to protect any sensitive component or device against the risk of overvoltage.

Working Principle

The 1N6027C is a Zenner diode that works like any other diode, however, instead of working by current flow, it works by voltage. When the voltage is below the breakdown voltage, or Zener break down value, no current is flowing. However, when the voltage exceeds this level, the Zener diode becomes highly conducting and the current will flow. As a result, the excess voltage is dissipated efficiently. The 1N6027C consists of a P-N junction, where it utilizes the interaction of electrons and holes in both sides of the junction and reverse biased electric field. When the electric field is across the junction, the majority carriers (electrons) from the P-side are attracted to the N-side of the junction. The same occurs for majority carriers from N-side. As a result, carriers flow from the P-side to the N-side, forming a depletion region between the sides, an area where no majority carriers exists. As the reverse-biased increases, the number of minority carriers starts increasing in the depletion region, eventually leading to the avalanche breakdown. This leads to current flowing across the junction.

Conclusion

To conclude, the 1N6027C is widely used in many different applications, such as medical instruments, automotive and computer fields, due to its capability of providing noise protection and circuit-stabilizing. The working principle of the 1N6027C utilizes the P-N junction and reverse biased field to provide breakdown when there is an overvoltage. The 1N6027C can be used to increase robustness and reliability of the circuit, as well as for patient protection.

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