LC43 Circuit Protection

Voltage - Clamping (Max) @ Ipp:	76.7V
Supplier Device Package:	DO-202AA (DO-13)
Package / Case:	DO-13
Mounting Type:	Through Hole
Operating Temperature:	-65°C ~ 175°C (TJ)
Capacitance @ Frequency:	100pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	19.5A
Series:	--
Voltage - Breakdown (Min):	47.8V
Voltage - Reverse Standoff (Typ):	43V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Diodes: LC43 Application Field and Working PrincipleThe TransZorb or Transient Voltage Suppressor (TVS) diode, also called an LC43, is an electronic part that is designed to protect against electrical transients such as electrical over-voltage and electrostatic discharge (ESD). It can be used in many different fields, including automotive, consumer electronics, industrial, and military applications. The purpose of this article is to explain the application field and the general working principle of the LC43.The LC43 is used in a variety of applications, ranging from mobile telephones and automotive systems to computers and other consumer electronics devices. In the automotive industry, the LC43 is commonly used to protect against voltage spikes or ESD generated by electrostatic discharge from nearby parts. In consumer electronics, the main application of the LC43 is to protect the peripheral devices from damage due to over-voltage and ESD. The LC43 can also be used to shield sensitive electronics from a harsh operating environment, while providing some level of noise immunity from external interference in industrial or military applications.The general operation of the LC43 is based on the principle of reverse current flow. A reverse current can occur when a high-voltage spike appears across the two terminals of the LC43. When this happens, the LC43 provides a clamping voltage that limits the voltage from going beyond its ratings. This helps to protect the sensitive electronics from being damaged by the overvoltage. The clamping voltage is determined by the value of the reverse-breakover voltage, which is typically between 5 volts and 150 volts for the LC43. This value depends on the particular device’s specification and is usually shown as a maximum rating on the device’s datasheet. In addition, the LC43 also helps to protect against ESD, providing a direct path for the static electricity to be dispelled to ground. In conclusion, the LC43 is a versatile and robust device that can be applied in many different applications. It is capable of protecting sensitive electronics from over-voltage and ESD, and offering noise immunity from external interference. The device also boasts a very low capacitance so that its performance is not affected by high-speed signal transmission. As such, the LC43 is a great choice for many types of applications.

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