SA28CAHA0G

Voltage - Clamping (Max) @ Ipp:	59V
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):	11.5A
Series:	Automotive, AEC-Q101, SA
Voltage - Breakdown (Min):	31.1V
Voltage - Reverse Standoff (Typ):	28V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Introduction of SA28CAHA0G TVS DiodeThe SA28CAHA0G is a transient voltage suppression diode from ON Semiconductor. It is intended for use in applications that have sensitive components to protect from exposure to high frequency, high-voltage spikes or surges. The SA28CAHA0G is a dual ploy TVS Diode with an operating voltage of 5V and a maximum voltage of 14.75V. The device is designed to provide continuous protection against high transients up to a maximum peak pulse power dealing of 400 Watts (W). Application Field of SA28CAHA0G TVS DiodeThe SA28CAHA0G is designed for protection of circuits from large disturbances such as electrostatic discharge (ESD) and lightning strikes. It has good immunity to ground potential rises, and has a rating of up to 15kV HBM (Human Body Model) and 17kV CDM (Charged Device Model). It can act as a primary seatbelt in a variety of applications such as computers, mobile phones, and automotive electronics.The SA28CAHA0G is suitable for automotive applications, such as powertrain, safety, and infotainment systems. It can also be used in industrial and medical applications for protection of sensitive components.Working Principle of SA28CAHA0G TVS DiodeThe SA28CAHA0G is a dual-ply device consisting of two TVS diodes in parallel with an integrated damping resistor. When the current exceeds the rated maximum forward current, the clamping transistor starts to conduct and the diode responds by rapidly reducing its forward voltage.The SA28CAHA0G features a low clamping voltage, which is lower than the operating voltage of most sensitive components. This ensures that the voltage remains within a safe operating range and minimizes performance loss. The integrated damping resistor helps to damp oscillations and provide fast directional response to protect the Power Integrity.The SA28CAHA0G devices use surge current rating and peak pulse power rating to determine the maximum amount of power the protection can provide. The surge current rating indicates the maximum amount of current the diode can handle for a period of time, while the peak pulse power rating indicates the maximum amount of power the diode can handle for a single pulse.The SA28CAHA0G is capable of operating over an extended temperature range of -55C to 210C and can be used in a variety of applications where high reliability and rugged performance are necessary.ConclusionThe SA28CAHA0G is an integrated dual-ply TVS Diode specifically designed for protection of sensitive components from large disturbances such as ESD and lightning strikes. It has a low clamping voltage and an integrated damping resistor to help damp oscillations and provide fast directional response. It has a surge current rating of 400 Watts (W) and a peak pulse power rating of 15KV HBM (Human Body Model) and 17KV CDM (Charged Device Model). The SA28CAHA0G is suitable for a variety of applications, such as computers, mobile phones, automotive electronics, industrial and medical applications.

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