SZ1SMB14CAT3G

Voltage - Clamping (Max) @ Ipp:	23.2V
Supplier Device Package:	SMB
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	590pF @ 1MHz
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	600W
Current - Peak Pulse (10/1000µs):	25.8A
Series:	Automotive, AEC-Q101
Voltage - Breakdown (Min):	15.6V
Voltage - Reverse Standoff (Typ):	14V
Bidirectional 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 - DiodesTVS - Diodes are a type of protection device which protects electric circuits from damage due to electrical transients. They are also known as Transient Voltage Suppressors (TVS), transient voltage surge suppressors (TVSS), or spike suppressors. TVS-Diodes are basically a thyristor such as a silicon-controlled rectifier (SCR) or a metal-oxide-semiconductor field-effect transistor (MOSFET) with a reverse-biased Zener diode connected in parallel. The reverse-biased diode provides the clamping of the voltage during an electrical surge, thereby protecting the circuit.The SZ1SMB14CAT3G is a TVS-Diode manufactured by Vishay, which is designed to protect sensitive electronic equipment from damage due to electrical transients. It has a peak pulse power rating of 1.5 kW and a voltage clamping of 14 volts. The SZ1SMB14CAT3G is designed to protect sensitive electronic equipment from transients and surges in the range of 200V/s to 500V/s. The device has a low operating current of only 12mA and a low capacitance of 0.02pF, making it the perfect choice for applications such as protection of laptop computers, digital cameras, and other low-voltage, low-current devices.The working principle of the SZ1SMB14CAT3G is based on a combination of reverse-biased Zener diode and SCR or MOSFET device. During normal operation, the reverse-biased Zener and the MOSFET are off. However, when a transient voltage occurs, the Zener diode is suddenly reverse-biased, thus clamping the voltage at a preset level. This limits the rise and fall times of the transient. The SCR or MOSFET then switches on and provides a low-impedance path to bypass the transient to ground.The TVS-Diode is designed to be placed in-line with the load or the circuit it is protecting. Therefore, in the case of an SZ1SMB14CAT3G, the transient is directed away from the load or the circuit it is protecting, and is safely discharged through the TVS-Diode. This feature makes the SZ1SMB14CAT3G an ideal protection device for sensitive electronic equipment, as it greatly reduces the risk of damage due to electrical transients or surges.The SZ1SMB14CAT3G is suitable for a wide range of application fields, including consumer products like televisions, computers, cellular phones, and digital cameras; industrial equipment such as motor controls, drives, relays, switches, and sensors; automotive electronics such as lighting, power supplies, entertainment systems, and air conditioning; and military and aerospace applications including avionics, navigation systems, and communication systems.In summary, the SZ1SMB14CAT3G is a TVS-Diode which is designed to protect sensitive electronic equipment from transient voltage surges. It has a peak pulse power rating of 1.5 kW and a voltage clamping of 14 volts, and is suitable for a wide range of application fields. The device works by directing transients away from the circuit and discharging it safely to ground. The low operating current and capacitance of the device make it an ideal choice for protecting vulnerable equipment from electrical transients and surges.

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