SMF58A-M3-18

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Unidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	58V
Voltage - Breakdown (Min):	64.4V
Voltage - Clamping (Max) @ Ipp:	95V
Current - Peak Pulse (10/1000µs):	2.1A
Power - Peak Pulse:	200W
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	144pF @ 1MHz
Operating Temperature:	-65°C ~ 175°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-219AB
Supplier Device Package:	SMF (DO-219AB)

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SMF58A-M3-18 TVS - Diodes are renowned for their ability to protect integrated circuits and other delicate electronic equipment from electrical disturbances, resulting from Electrostatic Discharge (ESD), Electrical Fast Transient (EFT), lightning and surges. The SMF58A-M3-18 is specially designed for industrial, automotive, and military applications and is capable of protecting power supply lines from transients caused by switching loads or electrostatic discharge.DesignSMF58A-M3-18 TVS - Diodes possess abi-directional clamping capability and common bidirectional transient voltage suppression kinetics. TVS - Diodes have both breakdown voltage levels and trigger voltage thresholds. These components have high current rating and excellent surge protection capability. It offers transient suppression from low to 4.7kW across the board , allowing for wide-range protection of electronic assemblies. Additionally, it has a wide operating temperature range from - 55°C to 175°C. Moreover, it is known for its low leakage current which makes it suitable for use in mobile applications.Working PrincipleThe SMF58A-M3-18 TVS - Diodes series is composed of two devices, N-channel MOSFETs and Zener diodes. The N-channel MOSFETs protect both polarities of transient events and help dissipate or ground the energy. The Zener diodes reduce the transient voltage voltage amplitude and reject the harmful high frequency components of a surge. When a transient event occurs, the Zener threshold voltage is exceeded due to the increased voltage and the current flows between the electrodes. This will trigger the N-channel MOSFETs to switch on and dissipate the energy in the form of heat.AdvantagesSMF58A-M3-18 TVS - Diodes offers numerous advantages. These devices possess low leakage current which improves battery lifetime in portable devices. It also offers a wide range of transient voltage suppression (TVS) from low to 4.7kW. Furthermore, it has an excellent surge capability with peak surge current ranging up to 8500A. Moreover, it offers wider protection against transient events including ESD, EFT, and lightning strikes. Due to its wide operating temperature range, it is suitable for use in harsh environments and automotive applications. Additionally, it has a low insertion loss which makes it suitable for use in high-speed applications with minimum signal degradation.ConclusionIn conclusion, SMF58A-M3-18 TVS - Diodes are widely used in industries, automotive, and military applications for protection from transient events. These devices have a low leakage current, wider protection range, wide operating temperature range and excellent surge protection capability. All these ensure the durability of the end application and make it a reliable device for every application.

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