SA16CAHE3/54

Voltage - Clamping (Max) @ Ipp:	26V
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):	19.2A
Series:	Automotive, AEC-Q101, TransZorb®
Voltage - Breakdown (Min):	17.8V
Voltage - Reverse Standoff (Typ):	16V
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
SA16CAHE3/54 is a special type of TVS (Transient Voltage Suppressor) diodes which are commonly used in the protection of electronic systems from over-voltage. They are designed to protect electronic systems from damage that can be caused by high-energy transients such as electrostatic discharge (ESD), electrical fast transients (EFT), and lightning events.The SA16CAHE3/54 is an unidirectional low capacitance TVS diode, which is designed to provide superior ESD and EFT performance and reduce noise in high-speed data lines for system protection. It features an ultra-low capacitance value of only 0.5pF for improved signal integrity and tolerant of reverse overload voltage up to 30V. The device also features fast switching speeds and a RoHS-compliant, surface mount package.The traditional way of providing over-voltage protection is through the use of a Zener diode, although this does not provide the necessary protection for more advanced electronic circuits. The SA16CAHE3/54 TVS diode offers the additional protection needed by providing a robust protection and lower clamping voltage compared to a Zener diode.When an over-voltage event occurs, a surge current flows into the TVS diode, and the device begins to conduct, thus providing a short circuit path for the surge current and limiting the voltage at its terminals. The amount of current that is allowed to flow before the diode triggers is dependent on the avalanche breakdown voltage of the device, which in the case of SA16CAHE3/54 is 16V.The TVS diode is able to withstand a certain amount of sustained over-voltage, allowing the device to reset itself after the surge current has been discharged, and thus allowing system operation to continue.The working principle of the SA16CAHE3/54 is based on Silicon avalanche break down which is a phenomenon that occurs in a large reverse bias voltage. When the reverse bias is applied to the diode, a large number of electrons across the lightly doped junction causing a surge of current which is then limited by the diodes body diode. This process also results in a significantly lower voltage across the diode which is known as the clamp voltage, and it prevents any further destruction to the system components.The SA16CAHE3/54 is ideal for applications such as computer peripherals, LAN equipment, consumer electronics, and automotive systems that require over-voltage protection. The TVS diode is capable of withstanding ESD, EFT, and lightning events allowing them to operate within the specified parameters without the risk of damage and malfunction. Furthermore, due to their low clamping voltage, they are highly suitable for high-speed data line applications where a fast response is required.In conclusion, the SA16CAHE3/54 is a low capacitance TVS diode designed to provide superior ESD and EFT protection and reduce noise in high-speed data lines. The device is capable of withstanding ESD, EFT, and lightning events with low clamp voltage and fast response time, making it an ideal choice for protecting a wide range of electronic systems from potential damage due to over-voltage transients, such as those found in consumer electronics, automotive systems, and computer peripherals.

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