VTVS63GSMF-HM3-18 Circuit Protection

Power Line Protection:	No
Applications:	Automotive
Capacitance @ Frequency:	227pF @ 1MHz
Operating Temperature:	-55°C ~ 175°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-219AB
Supplier Device Package:	DO-219AB (SMF)
Series:	Automotive, AEC-Q101, TransZorb®
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):	63V
Voltage - Breakdown (Min):	73.01V
Voltage - Clamping (Max) @ Ipp:	108V
Current - Peak Pulse (10/1000µs):	3.65A
Power - Peak Pulse:	400W

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TVS-DiodesTVS (Transient Voltage Suppressors) Diodes are special devices that protect electrical circuits from transient overvoltages. These diodes offer higher power handling capability and can clamp off overvoltages as high as 1.5 kilovolts. The VTVS63GSMF-HM3-18 is an exemplary TVS diode which provides superior ESD protection featuring a ultra low on-state resistance.Application FieldThis particular diode is specifically developed for high-speed communication devices such Automotive or Industrial applications. Its symmetrical SMA type terminal structure helps in reducing the designation time greatly. Plus, its auto-slug design can reduce the size of board that makes it an ideal component for miniaturized, high-speed board designs. VTVS63GSMF-HM3-18 is typically applied in ESD protection of high-speed communication channels like signal lines and data lines, USB, HDMI, CAN, I2C, LVDS, MIPI and many more. It can also be used for RS-422, RS-485, and RS-232 applications. Besides, the diode can also be used in military, space, power electronics, medical and alternative energy applications.Working PrincipleVTVS63GSMF-HM3-18 works by dealing with transient over voltages. This can be achieved by breaking down during an over voltage situation and shorting the input to the output, thus limiting the output voltage. This process is known as ‘Clamping Action’ and it suppresses the pulse voltage to a safe level, preventing any damage to the underlying equipment or circuitry.When the transient over voltage breaks down the diode, the reverse current decreases quickly but the capacitance between the terminals of the diode does not change instantly. Therefore, during this time, the applied voltage will be relaxed slowly back to the safe level. As soon as the voltage level drops below the breakdown voltage, the diode resumes to its normal resistor state.ConclusionVTVS63GSMF-HM3-18 is a transient voltage suppressor diode designed to protect high-speed communicating devices. It can be applied in the ESD protection of various high-speed communication channels including USB, HDMI, CAN, I2C, LVDS, MIPI, RS-422, RS-485, and RS-232. The diode works by breaking down during an overvoltage situation and limiting the output voltage in a process known as \'clamping action\'. This protects the underlying equipment or circuitry from any damage.

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