SA11A-E3/73

Voltage - Clamping (Max) @ Ipp:	18.2V
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:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	500W
Current - Peak Pulse (10/1000µs):	27.5A
Series:	TransZorb®
Voltage - Breakdown (Min):	12.2V
Voltage - Reverse Standoff (Typ):	11V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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IntroductionThe SA11A-E3/73 is a Thermal Voltage Suppression (TVS) diode with unidirectional specifications for reverse breakdown Voltage and reverse stand-off Voltage. This diode is designed to protect sensitive devices and circuits from voltage spikes and is used in a wide range of applications. Application Fields SA11A-E3/73 TVS diodes are typically used for overvoltage protection in automotive and avionic electrical systems and are also used in industrial applications, such as storage and communications equipment, electric vehicles, robotics, and motor drives. Additionally, they are used in many consumer applications, including digital electronics, computers, and peripherals. SA11A-E3/73 TVS diodes also have great flexibility and can be used in many topologies, such as series, parallel, busbar, and AC/DC line protection.Working PrincipleTVS diodes work on the principle of thermal voltage suppression, which involves a voltage above a certain level at which the diode conducts a high current from its anode to the cathode. When an overvoltage occurs, the voltage increases and the TVS diode conducts current to the cathode. The high current causes a heat loss in the diode which dissipates the excessive voltage and reduces current flow, thus providing protection for downstream components.The SA11A-E3/73 is a unidirectional TVS diode, which means the diode only protects against voltage spikes in one direction. It has a high-clamping voltage of 8.6 volts, which is why it is used for overvoltage protection. The SA11A-E3/73 also has a low capacitance, which helps to reduce interference from high frequency signals.ConclusionSA11A-E3/73 TVS diodes are designed for overvoltage protection in a wide range of applications. Their high clamping voltage and low capacitance make them ideal for protecting sensitive devices and circuits from extreme voltages. The diode’s unidirectional nature allows it to be used in many topologies, from series and parallel to busbar and AC/DC line protection. TVS diodes provide reliable protection against voltage spikes, ensuring the safety of vulnerable components.

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