SMA5J18C-E3/61

Current - Peak Pulse (10/1000µs):	15.5A
Base Part Number:	SMA5J
Supplier Device Package:	DO-214AC (SMA)
Package / Case:	DO-214AC, SMA
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	500W
Series:	TransZorb®
Voltage - Clamping (Max) @ Ipp:	32.2V
Voltage - Breakdown (Min):	20V
Voltage - Reverse Standoff (Typ):	18V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes

The SMA5J18C-E3/61 is a transient voltage suppressor (TVS) diode designed to protect electronics from voltage transients induced by an external transient source. It is typically used in automotive, industrial, medical, and consumer applications, as well as in any other high-voltage, high-speed environment.TVS Diodes typically use a diode bridge configuration to reduce voltage from incoming transient source. The diode bridge converts the incoming voltage into a smaller, instantaneous voltage, and absorbs the excessive amounts of energy created by the voltage spike. This internal circuit dissipates the energy through the diode by not letting it pass to the internal circuit either.TVS Diodes are designed and used to protect electronics from voltage spikes due to lightning, short circuits, switching surges or other unforeseen circumstances. There is wide range of TVS diode ratings and configurations for different applications, such as reverse (bidirectional), unidirectional, and protection of high-speed data lines. It is important to select the appropriate TVS diode for the environment it will be used in.The SMA5J18C-E3/61 is designed for 2 to 2.5kV of protection on high-speed data lines. This product features a 180 pF capacitance rating, and it is packaged in an SMA (DO-214AC) package. It has a current rating of 5A and a breakdown voltage of 18V. It is in the E3/61 series, which offers high-performance protection for high-voltage applications, and a low off-state leakage current. The SMA5J18C-E3/61 is an ideal solution for automotive, industrial, medical, and consumer applications that require high-speed and high-voltage protection. It provides fast response time, small form factor, and high surge capability. Its low on-state capacitance and low leakage current ensure that it will not interfere with the function or performance of the application or equipment it is protecting. The working principle of the SMA5J18C-E3/61 is based on the ESD (electrostatic discharge) protection principle. It uses a diode bridge to reduce incoming voltage from the transient spike, while absorbing the excessive energy created. The incoming energy is blocked and dissipated through the diode by not allowing it passage to the internal circuit. Therefore, the SMA5J18C-E3/61 acts as a safeguard against high-voltage, high-speed transients, protecting internal circuitry from damage.In conclusion, TVS Diodes provide protection from voltage transient sources, such as lightning, short circuits, and switching surges. The SMA5J18C-E3/61 is a high-performance TVS diode designed for applications that require high-speed and high-voltage protection such as automotive, industrial, medical, and consumer applications. The SMA5J18C-E3/61 uses a diode bridge to reduce voltage from the incoming transient source, and also absorbs the excessive energy generated. This internal circuit will not allow the energy to pass to the internal circuit, ensuring optimal electronic and equipment protection.

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