VTVS43GSMF-M3-18

Voltage - Clamping (Max) @ Ipp:	73V
Supplier Device Package:	DO-219AB (SMF)
Package / Case:	DO-219AB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	292pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	400W
Current - Peak Pulse (10/1000µs):	5.39A
Series:	TransZorb®
Voltage - Breakdown (Min):	50.03V
Voltage - Reverse Standoff (Typ):	43.2V
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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TVS - Diodes are a type of semiconductor device used for protecting electronic components from overvoltage transients. The VTVS43GSMF-M3-18 is a type of transient Voltage Surge Suppressor (VT-VSS) that provides effective protection against transient surges.The VTVS43GSMF-M3-18 is a TVS diode offering low reverse breakdown voltage of 43V and maximum reverse surge current of 12A @ 10/1000 microseconds waveform. It also has an increased pulse current handling capability up to 20A @ 10/1000 μs. It is an ideal alternative for replacing bidirectional avalanche and zener diodes in applications requiring ESD, EMI, and transient suppression.The VTVS43GSMF-M3-18 has a wide operating temperature range from -55°C to +175°C, making it suitable for use in high-power applications for transient and EMI protection. It integrates an array of eight TVS elements in a single package providing bidirectional protection.The working principle of the VTVS43GSMF-M3-18 is based on the difference between the PN-junction break down and Zener breakdown. When a voltage transient or an electrostatic discharge (ESD) is applied across the diode, the PN-junction present in the diode starts to break down and a large electric current flows from anode to cathode resulting in a voltage clamping. This voltage clamping prevents the voltage transient from reaching the protected components.The VTVS43GSMF-M3-18 is designed to be used as a bidirectional protection device and comply with the IEC 61000-4-2 standards. It is commonly used in automotive, communications, consumer electronics, industrial, and medical applications. It is also suitable for 16V to 42V DC power systems, 24V AC or DC power systems, and off-line power systems.The VTVS43GSMF-M3-18 offers an ESD protection up to ±25KV contact discharge (level 4 of IEC 61000-4-2). It is suitable for data and communication line protection up to 5GHz and can support the IEC 61643-21, UL 1499, and UL 60950-1 standards.In conclusion, the VTVS43GSMF-M3-18 is an ideal alternative for replacing bidirectional avalanche and zener diodes in applications requiring ESD, EMI, and transient protection. It offers high surge capability along with low clamping voltage and an excellent temperature range. This makes it suitable for use in high-power applications for transient and EMI protection.

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