SA5.0CAHB0G Circuit Protection

Voltage - Clamping (Max) @ Ipp:	9.2V
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):	57A
Series:	Automotive, AEC-Q101, SA
Voltage - Breakdown (Min):	6.4V
Voltage - Reverse Standoff (Typ):	5V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

TVS diodes, or transient voltage suppressors, are a type of semiconductor device designed to protect electrical circuits from voltage spikes, such as those caused by lightning and power surges. They are an essential component in protecting sensitive electronics from damage due to high voltage events. The SA5.0CAHB0G is a general-purpose, unidirectional TVS diode. This article will discuss its application field and working principle in detail.

Application Field

The SA5.0CAHB0G is a general-purpose TVS diode suitable for a wide range of applications. It can be used in data line protection, such as Modems, USB connections and other communication ports, as well as domestic appliances, Uninterruptible Power Supplies (UPS) and automotive circuit protection. It is also suitable for installing in server cabinets and other equipment where it can help to protect against lightning strikes and power surges in an effective and efficient manner.

Working Principle

The SA5.0CAHB0G is a unipolar, unidirectional TVS diode. As the name suggests, this device only allows current to flow in one direction, from the cathode to the anode. When the voltage on the diode exceeds the breakdown voltage (also known as the clamping voltage), the diode will short-circuit the circuit, diverting any excess current away from the protected circuit and limiting the voltage to the clamping voltage. This prevents damage to the protected circuit from high levels of voltage.When the diode is not subjected to a high voltage spike, it will remain in its “off” state, meaning no current will flow until the circuit is subjected to a spike higher than the breakdown voltage.

Conclusion

The SA5.0CAHB0G is a general-purpose, unidirectional TVS diode that is suited to a wide range of applications, including data line protection, domestic appliances, UPS and automotive circuit protection. It works by short-circuiting any voltage spikes higher than its breakdown voltage, thus limiting the voltage and protecting the circuit from damage.

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