SA14A-E3/73 Circuit Protection

Voltage - Clamping (Max) @ Ipp:	23.2V
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):	21.6A
Series:	TransZorb®
Voltage - Breakdown (Min):	15.6V
Voltage - Reverse Standoff (Typ):	14V
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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TVS diodes are devices designed to protect sensitive electronic components from voltage surges, such as those generated by electrostatic discharge or lightning strikes. The SA14A-E3/73 is a versatile shielded diode from Vishay Semiconductor that provides bidirectional protection. This device offers an extended high operating temperature range of -65°C up to 150°C, is RoHS compliant, and is available in an axial-leaded SOD-323 package. With its excellent electrical characteristics, this diode is suitable for a wide range of industrial applications. In this article, we will discuss the SA14A-E3/73 application field and its working principle.The SA14A-E3/73 has been designed for use in industrial equipment, automotive and aerospace electronics, and automotive powertrains. The protection offered by the diode is suitable for digital and analog systems, data lines, power lines, and circuit board assemblies. Its low capacitance and low leakage current allows it to be integrated into high-speed systems, such as automotive electronics and portable communication devices. The device\'s reverse leakage current and high surge withstand capability helps reduce equipment failure and provide long-term durability.To understand the working principle of the SA14A-E3/73, we must first understand the basic principle of TVS diodes. A TVS diode is an electronic component that provides protection from over-voltage transients. The theoretical principle of a TVS diode is simple: When the incoming voltage exceeds a certain level, the diode begins to conduct, rapidly reducing the over-voltage transient and clamping the voltage to a safe level. This prevents damage to sensitive components in the circuit.The SA14A-E3/73 is a TVS diode with a low capacitance and a fast response time of less than 1 nanosecond. It can withstand transients up to 9.8 kilovolts with a peak pulse current of 600 amps. The diode\'s low capacitance provides reliable protection against transient surges, while its axial-lead package allows for easy mounting and easy connection to target circuits.In terms of electrical performance, the SA14A-E3/73 has a maximum operating voltage of 6.4 volts and a maximum clamping voltage of 33 volts. Its reverse leakage current is extremely low, typically less than 0.02 microamps. The device has a maximum surge energy rating of 750 watts and a maximum power dissipation of 200 milliwats. The SA14A-E3/73 is rated to withstand up to 1.5 million ESD strikes.To summarize, the SA14A-E3/73 is a versatile shielded TVS diode from Vishay Semiconductor that provides bidirectional protection. It has an extended high operating temperature range from -65°C up to 150°C, and is available in an axial-lead SOD-323 package. With its excellent electrical characteristics, the SA14A-E3/73 is suitable for use in industrial equipment, automotive and aerospace electronics, and automotive powertrains. Its low capacitance and fast response time of less than 1 nanosecond provide reliable protection against transient surges, while its axial-lead package allows for easy mounting and connection to target circuits.

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