Series:	Automotive, AEC-Q101, SA
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Bidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	7.5V
Voltage - Breakdown (Min):	8.33V
Voltage - Clamping (Max) @ Ipp:	12.9V
Current - Peak Pulse (10/1000µs):	40A
Power - Peak Pulse:	500W
Power Line Protection:	No
Applications:	Automotive
Capacitance @ Frequency:	--
Operating Temperature:	-55°C ~ 175°C (TJ)
Mounting Type:	Through Hole
Package / Case:	DO-204AC, DO-15, Axial
Supplier Device Package:	DO-204AC (DO-15)

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SA7.5CAHB0G Application Field and Working Principle

TVS – Diodes are widely used in device security applications, offering protection against voltage spikes and electrical transients due to lightning strikes, power surges, or electrostatic discharge (ESD). The SA7.5CAHB0G device is a transient voltage suppressor (TVS) diode designed to protect sensitive electronic components from voltage spikes and other power surges. This device has a low clamping voltage and a fast response time, making it an ideal choice for applications such as automotive, consumer, and telecom products.The SA7.5CAHB0G is a bidirectional device with a maximum operating voltage of +7.5 V and a maximum peak pulse power of 650 W. Its peak pulse current rating is 230A, making it capable of handling large transient voltage spikes safely and quickly. The device also features a low clamping voltage of 5.5 V typical, which helps protect sensitive components from damage caused by voltage spikes. Additionally, the device has a low dynamic resistance and fast response time of 1ns typical.The SA7.5CAHB0G is packaged in a small SOD-323 package that is RoHS compliant and has a high current capability. The device has a wide operating temperature range from -55°C to +150°C for reliable operation in extreme environments. In addition, the device is suitable for both lead-free and solder reflow applications.The working principle of the SA7.5CAHB0G is based on the avalanche breakdown mechanism. When an applied voltage reaches or exceeds a certain voltage (breakdown voltage), carriers in avalanche regions are suddenly generated. The generated carriers quickly spread the current over the entire PN junction and cause significant current increase and voltage drop, resulting in clamping actions. This mechanism works in both directions, clamping both positive and negative transient voltages.In summary, the SA7.5CAHB0G device is an ideal choice for protecting sensitive electronic components from voltage surges and other transient voltages. Its fast response time and low clamping voltage, combined with its wide operating temperature range, makes it well suited for automotive, consumer, and telecom applications. The device also features a small SOD-323 package, which makes it suitable for lead-free and solder reflow. Finally, the working principle of the device is based on the avalanche breakdown mechanism, where a sudden increase in carriers causes current spread over the entire PN junction, resulting in a clamping action.

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