1V5KE51A Circuit Protection

Current - Peak Pulse (10/1000µs):	21.4A
Base Part Number:	1V5KE51
Supplier Device Package:	DO-201AE
Package / Case:	DO-201AE, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Series:	--
Voltage - Clamping (Max) @ Ipp:	70.1V
Voltage - Breakdown (Min):	48.5V
Voltage - Reverse Standoff (Typ):	43.6V
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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1V5KE51A TVS – DiodesTVS (transient voltage suppressors) or transient suppressor diodes are designated as devices that are used to protect electronic circuitry from electrostatic discharge (ESD) and other types of voltage surges. As such, these types of diodes can help to prevent circuits from being damaged by abruptly spikes of voltage.1V5KE51A is one such example of a transient suppressor diode. This device is designed specifically to provide unidirectional overvoltage protection from transients. It is a low capacitance, poizeoidal bilateral device. They feature a maximum clamping voltage of 6.4 volts and a maximum peak pulse current rating of 30A. The 1V5KE51A is housed in a small surface mount SOT-23 package, making them highly suitable for applications that require a low profile design.The 1V5KE51A is widely used in the fields of power supplies, composite video, PCI Express, USB, DVI interfaces, LCD displays, and digital camera systems, to name a few. It primarily works by clamping excess voltage to a safe operating level.When a voltage transient occur in an electronic circuit, the excess voltage enters the clamping area of the 1V5KE51A. This excess voltage is then divided between the diode’s two PN junctions. The polarity of the excess voltage determines which junction will conduct the voltage.The voltage that passes through the conducting junction of the 1V5KE51 is then clamped to the device’s specified breakdown voltage. This clamped voltage is usually much lower than the original excess voltage, and can thus help to prevent damage to the circuit.When the transient has passed, the excess voltage also quickly passes and the device quickly returns to its forward bias state. The fast switching speed of the 1V5KE51A makes it highly suitable for low voltage applications.In addition, the 1V5KE51A offers several unique features that make it ideal for transient protection applications. These include a low leakage current, a fast response time, and a low capacitance. It is also highly reliable and durable, with an operational temperature range from -50 to 125 degrees Celsius.Overall, the 1V5KE51A is an ideal choice for applications that require a dependable and reliable transient protection. With its low profile design and high reliability, the 1V5KE51A provides an effective solution for various higher-power services, such as power supplies, high-speed data interfaces, and other applications with a need for reliable transient protection.

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