SA15CAHE3/54 Circuit Protection

Voltage - Clamping (Max) @ Ipp:	24.4V
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:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	500W
Current - Peak Pulse (10/1000µs):	20.5A
Series:	Automotive, AEC-Q101, TransZorb®
Voltage - Breakdown (Min):	16.7V
Voltage - Reverse Standoff (Typ):	15V
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

In today’s high-tech manufacturing industry, protecting sensitive components from external transients and surges is more critical than ever. TVS (Transient Voltage Suppressor) diodes, also known as transient absorbers or voltage clamping diodes, are particularly suitable for such applications. They are widely used in power supplies, automotive, data and communication systems and consumer electronics. One such device, the SA15CAHE3/54, will be discussed in more detail. The SA15CAHE3/54 is a unidirectional, symmetric, silicon based Transient Voltage Suppressor diode. It is available in a package size of 0.6x0.6mm and is rated with a maximum reverse-breakdown voltage (VBR) of 5.4V, a peak pulse power rating of 250W (10/1000µs) and a peak working voltage of 5.3V. This device is available as either an RoHS compliant (EU) version or a non RoHS compliant (EU) version and is specifically designed to protect semi-conductor devices from damaging surges.The application fields for the SA15CAHE3/54 are varied but they are typically used to provide bidirectional transient overvoltage/surge protection for semiconductors and other components in consumer electronics, PC motherboards, industrial control modules, automotive equipment, communication interfaces, and more. The device is also used in switch mode power supply units (SMPS).The working principle of the SA15CAHE3/54 is quite simple. The device has two terminals, the anode and the cathode, which are connected to the circuit. When a voltage surges occur, the anode terminal experiences a positive voltage and allows the current to flow into the device. This current then passes through the TVS diode and to the cathode, thereby dissipating the excess energy in the form of heat and providing protection to the circuit.When design engineers are looking for an appropriate TVS diode, there are a number of parameters they need to take into consideration, such as VBR, peak working voltage, peak surge current, breakdown voltage temperature coefficient, clamping voltage, and more. The SA15CAHE3/54 is a well-balanced device and has an impressive breakdown voltage temperature coefficient of -2.3%, which ensures low leakage current over time and temperature.To sum up, the SA15CAHE3/54 is a versatile and reliable TVS diode. It is suitable for a wide range of application fields and provides protection for electronic products by dissipating excess energy in the form of heat. The device is available in a small 0.6x0.6mm package and is rated with a VBR of 5.4V, a peak pulse power rating of 250W and a peak working voltage of 5.3V. Additionally, the breakdown voltage temperature coefficient of -2.3% helps to ensure low leakage current over time and temperature.

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