SMF10A-E3-18

Voltage - Clamping (Max) @ Ipp:	17V
Supplier Device Package:	SMF (DO-219AB)
Package / Case:	DO-219AB
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 175°C (TJ)
Capacitance @ Frequency:	562pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	200W
Current - Peak Pulse (10/1000µs):	11.8A
Series:	--
Voltage - Breakdown (Min):	11.1V
Voltage - Reverse Standoff (Typ):	10V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Transient Voltage Suppressors (TVS) are major elements in electronics applications that work by diverting electrical surges away from sensitive parts of circuits. The SMF10A-E3-18 is a type of TVS diode, which are widely used in various fields such as automotive, telecom, industrial, consumer, and military applications to protect circuits from overvoltage.An important part of the SMF10A-E3-18 is the dual-component construction, which significantly increases its effectiveness in dissipating overvoltage. The SMF10A-E3-18 is made up of two components: a normal diode and a zener diode. The normal diode is responsible for providing clamping voltage. The zener diode is responsible for providing current choking. Both components combine to protect the sensitive components of a circuit from the damaging effects of overvoltage.The SMF10A-E3-18 is an axial form device and is designed to effectively operate with normal polarity. It has a clamping voltage of 18V. Its design ensures that it can protect sensitive electronics against various types of transients such as electrical surges, lightning strikes, and electrostatic discharge (ESD).The SMF10A-E3-18 is capable of dissipating a leakage current of up to 500uA and a power dissipation of 500mW. Its design also ensures that it does not create noise or interference with the circuit it is designed to protect. This is an important feature since the noise or interference created by various other TVS diodes can sometimes cause issues with higher frequency signals.The SMF10A-E3-18 is also very efficient in protecting circuits from fluctuations up to 1,000 triples. It is designed to be used in very low current applications such as in computer storage and processor boards, and also in ASIL-compliant systems.In terms of working principle, the SMF10A-E3-18 is designed to absorb excessive voltage from the power source, drawing the current away from other components in the circuit. This happens without preventing normal transactions from transpiring. It does this through the use of two mechanisms. One is the forward biasing and the other is the zener breakdown.When an overvoltage occurs, the SMF10A-E3-18 first uses the forward biasing mechanism, which works by allowing the current from the power source to pass through the normal diode. At this point, the zener diode also activates, and the current is diverted away from sensitive components. The zener diode then uses a reverse voltage breakdown mechanism to absorb the excessive energy, dissipating the excessive voltage and protecting the circuit from damage.Overall, the SMF10A-E3-18 is one of the most effective types of TVS diodes available, and its dual-component design ensures that it can provide extra protection to sensitive circuits. It offers protection from overvoltage due to electrical surges, lightning strikes, and ESD, as well as from fluctuations up to 1,000 triples. It is efficient, ensuring that it does not create noise or interference with the circuit it is designed to protect. The SMF10A-E3-18 is a great choice for a wide range of applications, including automotive, telecom, industrial, consumer, and military.

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