ATV50C161J-HF Circuit Protection

Voltage - Clamping (Max) @ Ipp:	259V
Supplier Device Package:	DO-214AB (SMC)
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	5000W (5kW)
Current - Peak Pulse (10/1000µs):	19.3A
Series:	Automotive, AEC-Q101
Voltage - Breakdown (Min):	178V
Voltage - Reverse Standoff (Typ):	160V
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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Introduction

The ATV50C161J-HF is a surface mount, low-capacitance transient voltage suppressor specifically designed for TVS-Diodes applications. It is a bidirectional voltage regulating diode, designed to protect high speed circuits from damage due to electrostatic discharge (ESD) and other over-voltage transients.This TVS-Diode is optimized to protect high speed circuits that require an extremely low capacitance. The ATV50C161J-HF has a max working voltage of 20V and a minimum breakdown voltage of 11V, with a dynamic resistance of 1.9 Ohm max. The diode also has low clamping voltage (typically 0.15V @ 8A) which is beneficial for high-speed applications. The robust construction and low capacitance make the ATV50C161J-HF a great choice for TVS-Diodes.

Application Field

The ATV50C161J-HF is designed for use in many application fields. It is a great protection solution for high-speed signal lines that require low capacitance for their operation. It is also suitable for USB 2.0, FireWire, HDMI, and 1.2V signaling lines. Additionally, it can be used in military, telecommunications, industrial, medical, and automotive applications. The ATV50C161J-HF provides enhanced ESD and overvoltage protection up to the 8A peak pulse current, making it suitable for protection in high-powered systems. It also features RoHS and lead free compliance, as well as wide temperature range operation (-55°C to 125°C).

Working Principle

The ATV50C161J-HF is a bidirectional TVS-Diode that protects against voltage transients. When exposed to a voltage transient the diode is able to quickly limit the voltage, diverting the excess energy away from the vulnerable circuit components. It is able to quickly respond to the transient and provide a low dynamic resistance, allowing the diode to divert high amounts of current away from the vulnerable components. The low capacitance of the ATV50C161J-HF also makes it suitable for high speed signaling. Its maximum capacitance rating of 0.1 pF enables the diode to be used in high-speed applications without impacting signal quality. The low capacitance also reduces the amount of energy stored in the diode, making it easier to discharge the energy when the diode is subjected to a voltage transient.

Conclusion

The ATV50C161J-HF is an ideal protection solution for high-speed signal lines. With its low capacitance, high peak pulse current capability, robust construction, and wide temperature range operation, the ATV50C161J-HF diode is an excellent choice for TVS-Diodes applications. The robustness and low capacitance make the diode ideal for ESD and transient protection, while the wide temperature range makes it suitable for use in many different applications.

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