SA78CA-E3/54 Circuit Protection

Voltage - Clamping (Max) @ Ipp:	126V
Supplier Device Package:	DO-204AC (DO-15)
Package / Case:	DO-204AC, DO-15, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	500W
Current - Peak Pulse (10/1000µs):	4A
Series:	TransZorb®
Voltage - Breakdown (Min):	86.7V
Voltage - Reverse Standoff (Typ):	78V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes: SA78CA-E3/54 application field and working principle

TVS diodes are an important part of the modern electronics industry. They are used in a variety of electronic circuits to protect against high voltage transients, which can damage sensitive components. These diodes are commonly referred to as Surge Suppressors, Power MOSFETs, or Transil Diodes. Among these, the SA78CA-E3/54 is one of the most widely used TVS diodes.The SA78CA-E3/54 is a high performance TVS diode, which exhibits excellent transient protection and feature a low capacitance design for high speed data communication. It is designed to protect sensitive inputs of data lines and other circuits from unexpected surges and spikes. The diode is compliant to the JEDEC standard specifications and is available in the 0.8mm pitch BGA package.The SA78CA-E3/54 has a maximum breakdown voltage of 43.5V, a maximum peak power of 5W, and a maximum clamping voltage of 24V. It also has a very low thermal resistance, which is crucial for controlling the temperature of the diode during operation. The diode also has a very fast response time, which helps to protect the circuit from any harmful transients that may occur.The SA78CA-E3/54 can be used for a variety of applications, such as data line protection, LCD backlight protection, power switching circuits, and telecom application. It is also suitable for automotive applications, because it has a maximum operating temperature range of -40 to +125 degrees Celsius and is UL approved.The working principle behind the SA78CA-E3/54\'s protection capabilities is based on the clamping voltage that is generated when a transient voltage surge greater than its breakdown voltage is applied. The diode starts to conduct current when this occurs, and the clamping voltage is generated, which helps to limit the transient voltage and avoid any further damage to the circuit.The SA78CA-E3/54 is a reliable, high-performance TVS diode, which can protect sensitive components from transients and spikes and is suitable for a variety of applications. It has a breakthrough voltage of 43.5V, a peak power of 5W, and a clamping voltage of 24V, as well as a low thermal resistance and fast response time. The diode is also compliant to JEDEC specifications and is UL approved, making it suitable for automotive applications.

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