TP6KE51A Circuit Protection

Voltage - Clamping (Max) @ Ipp:	70.1V
Supplier Device Package:	DO-204AC (DO-15)
Package / Case:	DO-204AC, DO-15, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	600W
Current - Peak Pulse (10/1000µs):	8.7A
Series:	Automotive, AEC-Q101, TP6KE
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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The TP6KE51A is a unidirectional transient voltage suppressor diode designed for the protection of devices from overvoltage events, such as lightning surges, electrostatic discharges (ESDs), and other transients. It is especially suited for data/telecommunication applications where low capacitance and low stand-off voltage are desired.

The TVS diode, as it is called, is a device used to protect other semi-conductor elements such as ICs or voltage regulators from possible inductive switch transients, electrostatic discharges or other transients generated by a variety of sources. The TP6KE51A device is designed for applications where very low capacitance and low stand-off voltage are needed, which is often the case for data/telecommunication applications. This device is also able to provide bidirectional protection.

The TP6KE51A has a rated breakdown voltage of 11.9 volts, and its reverse surge current rating is 5A. This device is able to absorb 4.5 Watts of power. It has a maximum clamping voltage rating of 53 volts, which is the maximum voltage at which the device will turn on and clamp the voltage across its terminals. The device also has a very low capacitance of 0.06pF, which makes it ideal for applications that require very fast switching times.

The working principle of the TP6KE51A is fairly simple. When a voltage greater than the TVS diode’s rated breakdown voltage is applied to its terminals, the diode will turn on and begin to conduct the excess energy into its internal resistance, thus protecting the device or circuit it is connected to. As the voltage increases, so does the diode’s current rating, allowing it to absorb more energy than it could at lower voltages.

The TP6KE51A is able to provide a number of benefits when used to protect integrated circuits or voltage regulators. It is able to absorb energy related to lightning surges and electrostatic discharges. It also has a low capacitance, which reduces the power waste associated with switching times on sensitive circuits. Furthermore, its low stand-off voltage and bidirectional protection make it the ideal choice for applications that require very low capacitance and lower stand-off voltage.

The TP6KE51A is a versatile and reliable device for protecting sensitive electronic components from possible overvoltage and electrostatic discharge events. It is especially suited for data/telecommunication applications, where low capacitance and low stand-off voltage are desired. Its high surge current rating and low capacitance make it an ideal choice for these situations, while its bidirectional protection makes it a great choice for a wide variety of applications.

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