SA26CA-E3/54 Circuit Protection

Voltage - Clamping (Max) @ Ipp:	42.1V
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):	11.9A
Series:	TransZorb®
Voltage - Breakdown (Min):	28.9V
Voltage - Reverse Standoff (Typ):	26V
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

TVS (Transient Voltage Suppression) Diodes are widely used devices that provide protection against electrical transients, which are short overloads of electricity. They are used to protect circuit components and devices from the voltage spikes that occur due to overvoltage conditions, and can greatly extend the life of these components and devices. A TVS Diode is also known as a Transient Voltage Surge Suppressor, and it is essentially a specialized diode that has its anode connected to a conduction terminal and its cathode connected to a second conduction terminal. The TVS Diode has an inherent capacity to dissipate excess energy from the circuit, which is why they are often used for transient voltage spike protection.The SA26CA-E3/54 is a common type of TVS Diode, and it is designed for unidirectional transient voltage suppression. It has an improved thermal stability compared to other TVS diodes, and also offers an operating temperature range between -55°C to 175°C. The breakdown voltage of the device is specified at three different levels; in its normal state, the breakdown voltage of the device is nearly 1.2 Voltage (V), whereas at a temperature of 125°C, the breakdown voltage drops to 0.99 V, and at a temperature of 175°C the breakdown voltage drops to 0.85 V. The peak reverse voltage of the device is also specified at 800 Volts (V).The main application field of the SA26CA-E3/54 TVS diode is in the protection of sensitive electrical components from transient over-voltage events. It can be used in a wide variety of electrical protection applications, such as automotive power lines, home appliances, and telecom/datacom equipment, to name a few. It is also used in lightning protection systems.The working principle of the SA26CA-E3/54 TVS diode is to dissipate any excess voltage that may come into contact with the electrical device or component being protected. When the voltage exceeds a certain predetermined amount (known as the clamping voltage), the diode responds by “clamping” the voltage and redirecting it into the SA26CA-E3/54’s own dedicated energy path. This then dissipates the energy into the environment. Depending on the nature of the transient voltage spike, the diode’s clamping voltage and peak pulse current capability will be adjusted accordingly, allowing for greater protection against surges and spikes.Overall, the SA26CA-E3/54 is an effective and reliable TVS diode with a wide range of applications in the protection of sensitive electrical components. It is able to provide reliable protection against transient over-voltage events, and its improved thermal stability and operating temperature range makes it ideal for use in a wide variety of electrical protection systems.

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