TP1.5KE20A Circuit Protection

Voltage - Clamping (Max) @ Ipp:	27.7V
Supplier Device Package:	DO-201
Package / Case:	DO-201AA, DO-27, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	54.9A
Series:	Automotive, AEC-Q101, TP1.5KE
Voltage - Breakdown (Min):	19V
Voltage - Reverse Standoff (Typ):	20V
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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TP1.5KE20A is a kind of Transient Voltage Suppressor (TVS) diode, which is mainly utilized for device transient overvoltage protection against electrostatic discharge (ESD) or to clamp voltage to prevent damage of delicate electronics. Generally, it is constructed in a highly reliable, highly miniaturized, and lightning fast response surface mount package.TP1.5KE20A is able to work properly under extreme working conditions in wet or dry environments, offering higher take-off energy compared with other unidirectional suppressors. It is widely used in data line protection in mobile phones, notebooks, external USB devices and other portable electronic products, protecting against electrostatic discharge (ESD), induced lightning, and electrical surge.The differences between TP1.5KE20A and other DO-214 AC devices are that its structure is very reliable and its response times are much faster. The suppression efficiency is much higher comparing with other TVS diodes which makes them much suitable for extreme working conditions. From the structural point of view, the TP1.5KE20A uses a very reliable high-temperature silicon avalanche diode with a built-in avalanche breakdown trigger. In addition, the device\'s take-off energy is optimized for fast-response, which provides the possibility of an excellent ESD protection performance.In addition to ESD protection, TP1.5KE20A can also be used for a high speed circuit breaker, power supply loop breaking, noise filtering and so on. It has applications in many sectors such as workstations, servers, electronics, and network/telecommunications systems.The basic working principle of TP1.5KE20A is when transient conditions are encountered, the silicon wafer absorbs the pulse current through its very low leakage current and then the latter is taken as the trigger point of the avalanche breakdown. At this moment, the current in the circuit suddenly rises to a high level, resulting in a temperature too high to exceed the absolute maximum rating. Then the protection device is activated to protect the electronic device from being damaged.Finally, TP1.5KE20A may be used in various electronic circuits to reduce the surge current, protect the device from electrical overstress, and reduce EMI. The device could be widely used in many kinds of applications needing it and provide the protection of the electronic device as expected.

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