SMCG17CAHE3/57T

Current - Peak Pulse (10/1000µs):	54.3A
Base Part Number:	SMCG
Supplier Device Package:	DO-215AB (SMCG)
Package / Case:	DO-215AB, SMC Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Series:	Automotive, AEC-Q101, TransZorb®
Voltage - Clamping (Max) @ Ipp:	27.6V
Voltage - Breakdown (Min):	18.9V
Voltage - Reverse Standoff (Typ):	17V
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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Transient Voltage Suppression (TVS) Diodes: SMCG17CAHE3/57T Application Field and Working Principle

Transient Voltage Suppression (TVS) diodes play a crucial role in protecting sensitive electronics against excessive voltage surges, helping ensure the long-term reliability of a wide range of products. In this article, we’ll take a look at the SMCG17CAHE3/57T, a TVS diode from Littelfuse, and discuss its application field and working principle.

The SMCG17CAHE3/57T

The SMCG17CAHE3/57T is part of the Littelfuse SMCJ series of unidirectional (uni-directional) TVS diodes designed to protect electronic components from transient voltages. The SMCG17CAHE3/57T is an ultra-low capacitance (0.11pF) device that can handle peak power of up to 57 watts, making it perfect for high-speed data interface applications.The SMCG17CAHE3/57T offers superior protection from transient voltage surges, including electrostatic discharge (ESD) and lightning-induced surges. It has a voltage clamping of 27.0V and a reverse standoff voltage of 17V, meaning it can protect components from voltages up to 27V but will not become conductive until the voltage reaches 17V. The SMCG17CAHE3/57T can withstand a maximum peak power of 400 watts (4/10µs pulse width).

Applications of SMCG17CAHE3/57T

The SMCG17CAHE3/57T is widely used in data – telecom and industrial/electrical applications, particularly in RF and high speed digital interfaces. Its ultra-low capacitance and high peak power handling capability make it ideal for applications that need to protect against ESD and other transient voltage surges.The SMCG17CAHE3/57T is used in a wide range of common electronics such as modems, high-speed Ethernet networking equipment, analog and digital video displays, cell phones and other mobile devices, industrial controllers, power management circuits, and many other applications. Its wide voltage range and fast response time make it perfect for a diverse range of applications.

Working Principle of TVS Diodes

TVS diodes are specially designed to protect sensitive electronics from transient voltage surges. They work by diverting damaging voltage spikes away from sensitive components. When the voltage reaches a certain threshold, the diode clamps the voltage and diverts it away from the vulnerable components of the circuit.At the same time, the TVS diode dissipates the energy created by the surge in the form of heat. This helps protect the circuit and preserve its integrity.

Conclusion

The SMCG17CAHE3/57T, a unidirectional TVS diode from Littelfuse, is an ideal device for protecting circuits from potentially damaging transient voltage surges. It is designed to provide superior protection from ESD and lightning-induced surges, and its ultra-low capacitance and high peak power handling capability make it perfect for high-speed data interfaces and other applications. Its fast response time and wide voltage range make it perfect for a wide range of applications.

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