UPT33R/TR13

Current - Peak Pulse (10/1000µs):	2.65A
Base Part Number:	UPT33
Supplier Device Package:	Powermite 1 (DO216-AA)
Package / Case:	DO-216AA
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1000W (1kW)
Series:	--
Voltage - Clamping (Max) @ Ipp:	56.7V
Voltage - Breakdown (Min):	36.8V
Voltage - Reverse Standoff (Typ):	33V
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:

TVS (Transient Voltage Suppressor) diodes are a type of semiconductor device used to protect circuits from high-voltage transients such as those caused by lightning strikes or switching transients. This article will cover the UP33R/TR13, a popular TVS diode, with a focus on its application field, as well as its working principle.

Application Field:

The UP33R/TR13, manufactured by AVX Corporation, is an ultra-low-capacitance four-sector multi-pulse surge suppressor diode. It is designed for use on data buses, and is especially suitable for the protection of high-speed data lines such as those found in the USB 2.0 and USB 3.0 specifications. The device is also a popular choice for the protection of high-definition audio lines in consumer electronics such as AV receivers, as well as for protecting HDMI 1.4 lines due to its ability to suppress multi-pulse disturbances.The UP33R/TR13, due to its low capacitance and low-forward voltage, is also popular in sensitive systems where fast switching transients must be suppressed. It is suitable for use in applications such as motor control, industrial automation, and other applications requiring the protection of sensitive circuitry.

Working Principle:

The UP33R/TR13 is composed of four surge suppression sectors, which are connected in parallel. When the voltage across the diode exceeds its breakdown voltage, the device will start to conduct and divert the surge energy from the protected line.The UP33R/TR13\'s fast response time and low capacitance make it ideal for applications requiring fast transient protection. The low capacitance reduces signal integrity impacts, while the fast response time helps ensure that transient voltage spikes are diverted before they cause damage to sensitive circuitry.The device is also designed to remain conductive after a transient surge event, effectively shutting down the supply voltage until the line has stabilized and the surge has dissipated. This ensures that the protected circuitry is not damaged by the transient spike.

Conclusion:

The UP33R/TR13, manufactured by AVX Corporation, is a popular choice for the protection of high-speed data and HDMI lines, as well as the protection of sensitive motor control and industrial automation systems. Its low-capacitance design and fast response time make it well-suited for transient protection applications. When the voltage across the diode exceeds its breakdown voltage, the device will divert the surge energy from the protected line, and remain conductive until the line has stabilized and the surge has dissipated.

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