TV50C170J-G Circuit Protection

Voltage - Clamping (Max) @ Ipp:	27.6V
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:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	3000W (3kW)
Current - Peak Pulse (10/1000µs):	182.97A
Series:	--
Voltage - Breakdown (Min):	18.9V
Voltage - Reverse Standoff (Typ):	17V
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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TVS - Diodes : TV50C170J-G Application Field and Working Principle

TVS-Diodes are a type of electronics component used to protect circuitry from possible damage caused by voltage spikes or issues in power supply quality. TV50C170J-G, in particular, is a unidirectional bi-directional Transient Voltage Suppression (TVS) device, designed to protect sensitive electronic circuits from overvoltage transients induced by ESD (electrostatic discharge), EFT (electrical fast transients) and lightning.

Application Field

TV50C170J-G is mainly used in a wide range of applications, such as in cellular systems, digital devices, and network communication equipment. The device is suited for use in applications such as automotive, digital home appliances, and medical devices where both automotive and telecom transient pulses need to be protected. This component is designed to protect vulnerable circuitry, which enables it to handle fast transients, so it can also be used in consumer electronic applications where high power signals are generated.

Working Principle

The basic operating principle behind this component is based on the thyristor-like non-linear resistance behavior of a particular type of semiconductor PN junction. This device is particularly effective in absorbing over-voltage transients caused by external electricity sources by reducing the peak current until it is safe enough for the protected circuitry. At that point, the capacitive current will begin to discharge, allowing the current to gradually return to its normal operation level.In order to achieve optimal performance, the device needs to be connected in series with the protected circuitry as well as to any external power source. It is also important to pay special attention to the polarity of the component when connecting it to the circuit. Note, that wrong polarities of the diode may result in malfunctioning and even permanent damage to the device.Furthermore, TV50C170J-G has a low capacitance that enables it to cater for pulse-widths from 6ns to 1000ns, without affecting data integrity and signal quality. The fact that the device has a fast response time (a few nanoseconds typical) is another advantage, which makes it particularly suitable for applications involving high-speed circuits.TV50C170J-G is also provided with a wide operating temperature range (between -55℃ and + 175℃) and offers a wide range of capacitance values, from 0.01pF to 150pF, for a variety of applications and performance needs.

Conclusion

TV50C170J-G is a unidirectional bi-directional Transient Voltage Suppression (TVS) diode, designed to protect sensitive electronic circuits from overvoltage transients caused by static electricity and lightning. It is used in a wide range of applications, such as in cellular systems, digital devices, and network communication equipment, and is well-suited for automotive, digital home appliances, and medical devices where both automotive and telecom transient pulses need to be protected. Its low capacitance and fast response time make it an ideal choice for high speed data and control systems, while its wide operating temperature range and capacitance range enable designers to cater for a wide range of performance needs.

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