SA14A A0G Circuit Protection

Series:	SA
Packaging:	Tape & Box (TB)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Unidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	14V
Voltage - Breakdown (Min):	15.6V
Voltage - Clamping (Max) @ Ipp:	23.2V
Current - Peak Pulse (10/1000µs):	22.6A
Power - Peak Pulse:	500W
Power Line Protection:	No
Applications:	General Purpose
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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TVS - Diodes

TVS (transient voltage suppressors) diodes are semiconductor devices widely used to protect electronics against electrostatic discharge (ESD) and lightning strikes. The SA14A A0G is a sub-series in the DO-214AC (SMA) surface mount package TVS diode device family. It is a low-capacitance, uni-directional protection device suitable for ESD protection and transient surge current suppression for communications, industrial and consumer electronics applications.

Application

SA14A A0G TVS diodes are commonly used in a variety of consumer, industrial and communication applications. They are ideal for protecting systems against electrostatic discharge and power surges due to lightning strikes or other power anomalies. One of its main advantages is its low clamping voltage, which allows it to absorb a wide range of power surges without damaging the protected electronic device.In addition, the SA14A A0G is an ideal solution for energy-related applications, such as automobile systems, automotive airbag controllers, battery packs and electric vehicles. Additionally, it is used in high-end cell phone charging circuits, telecom systems, cellphone base stations, power systems, etc., to protect high-speed signal lines.

Working Principle

SA14A A0G TVS diodes work by limiting the voltage on the protected circuit. This is accomplished by clamping the voltage on the anode lead to a low level voltage (referred to as the ‘clamping voltage’). When the input voltage exceeds this ‘clamping voltage,’ current will flow through the device and the excess voltage will be ‘clamped’ to the ‘clamping voltage’ level. In operation, the SA14A A0G TVS diode acts as a voltage controlled switch. When the input voltage exceeds the ‘clamping level,’ the TVS diode switches on, allowing current to flow. The diode effectively limits the output voltage surge by clamping it at a low level, thus protecting the downstream components from damage. The SA14A A0G TVS diode can also provide short-term peak current protection. This is advantageous when the device requires protection against high currents generated when the system is powered up or in response to momentary power surges.

Conclusion

The SA14A A0G is a member of the DO-214AC (SMA) surface mount package diode device family. It is a low-capacitance, uni-directional protection device suitable for ESD protection and transient surge current suppression. It is an ideal device for a variety of energy-related applications such as battery packs, electric vehicles, and cell phone charging circuits. It works by clamping the voltage on the anode lead to a low level and also provides short-term peak current protection.

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