SZP6SMB56CAT3G

Voltage - Clamping (Max) @ Ipp:	77V
Supplier Device Package:	SMB
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	185pF @ 1MHz
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	600W
Current - Peak Pulse (10/1000µs):	7.8A
Series:	Automotive, AEC-Q101
Voltage - Breakdown (Min):	53.2V
Voltage - Reverse Standoff (Typ):	47.8V
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-Diodes Transient voltage suppression (TVS) diodes, also referred to as surge protective devices (SPDs), provide additional protection against voltage surges and spikes that can be induced by lightning and other electrical discharges. The SZP6SMB56CAT3G offers a robust, economical, and easy-to-use board solution for protecting consumer and industrial electronics from transient voltage events. The SZP6SMB56CAT3G is a highly popular transient voltage suppressor diode, designed to protect downstream equipment from damaging over-voltage transients. It is a single-channel device with an avalanche breakdown voltage of 5.6 V and a working voltage range of 6.0 V to 20 V. Its low capacitance of 6 pF results in a low clamping voltage and fast response time, making it an ideal choice for protecting I/O interfaces, power supplies, etc., from power Over-voltages. Working PrincipleThe SZP6SMB56CAT3G features an electrically-activated snapback diode with a high breakdown voltage of 5.6 V. In normal operations, the diode behaves as an open switch, allowing current to flow freely through it. However, when the voltage exceeds its breakdown voltage of 5.6 V, the diode switches on, shorting the excess current and suppressing the transient voltage. This prevents the voltage from rising to a level that might permanently damage the protected equipment.The SZP6SMB56CAT3G uses an avalanche breakdown mechanism, wherein the avalanche effect occurs when a high electric field (generated by the external voltage) causes electrons and holes to accelerate to and collide with the diode’s walls. This causes electrons to cross over into the conduction band of the diode, resulting in an increased current flow and a rapid decrease in voltage.Applications The SZP6SMB56CAT3G is a versatile TVS diode suitable for a wide range of applications including: - Industrial Machinery: The SZP6SMB56CAT3G can be employed to protect industrial machines from transient voltage events that could otherwise cause unexpected downtime or costly repairs. - Automotive: Automotive electronics, which often require stringent over-voltage protection, benefit from the tight voltage clamp and fast response time offered by the SZP6SMB56CAT3G. - Digital Systems: The SZP6SMB56CAT3G’s low capacitance makes it a popular choice for protecting digital systems such as I/O interfaces, processors, memory modules, and FPGAs. -Telecommunications: TVS diodes can be used to protect telecommunications equipment, such as data lines and radio towers, from over-voltages caused by lightning and electrical noise. ConclusionThe SZP6SMB56CAT3G is a single-channel diode offering superior over-voltage protection for a wide range of applications. With a breakdown voltage of 5.6 V and a low capacitance of 6 pF, the diode is capable of withstanding extreme voltages and providing a tight clamping voltage and fast response time. As such, it is used to protect consumer and industrial electronics from power-surges and spikes.

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