BZW04-171BHR0G

Voltage - Clamping (Max) @ Ipp:	274V
Supplier Device Package:	DO-204AL (DO-41)
Package / Case:	DO-204AL, DO-41, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	400W
Current - Peak Pulse (10/1000µs):	1.5A
Series:	Automotive, AEC-Q101, BZW04
Voltage - Breakdown (Min):	190V
Voltage - Reverse Standoff (Typ):	171V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Transient Voltage Suppressor (TVS) diode, also known as overvoltage protection diode, is an important semiconductor component utilized in modern electronic circuitry for protection against voltage transients, or surges. It is usually found in consumer electronics such as computers, televisions, telecommunication systems, cable/satellite systems, automotive applications, and even industrial control systems in order to protect the circuit from voltage spikes and other power-related anomalies.The purpose of a TVS diode is to protect the circuit by diverting any form of transient voltage until it dissipates. It is commonly used as a surge protector to reduce the possibility of damages to other sensitive components in the circuit. The TVS diode effectively helps with transient voltage suppression by equalizing the voltage over time.TVS diodes are available in different types and sizes. Common types of TVS diodes are unidirectional, bidirectional, dual bidirectional, and unipolar. Each type of TVS diode is designed to accommodate certain working conditions. For example, unidirectional TVS diodes are designed to handle a single polarity voltage spike while bidirectional TVS diodes can handle both positive and negative transients. Dual bidirectional and unipolar TVS diodes are used for specialized applications.The BZW04-171BHR0G TVS diode is a very common type of overvoltage protection diode. It is a dual-bidirectional TVS diode that can handle both negative and positive transient voltages up to a maximum voltage of 175V. This voltage is known as the peak pulse power rating (PPP). The PPP is chosen in such a way that it exceeds the peak voltage rating of the circuit. The clamping voltage of this diode is 400V and the PPP rating is 500W.The working principle of the BZW04-171BHR0G diode is quite simple. This diode has “zener clipping” effect, which means that it is able to convert high voltage transients into low voltage transients, thus protecting the underlying electronics. When a negative or positive voltage transient is applied to the diode, it begins to conduct and divert the voltage away from the sensitive components. Eventually, these high voltage transients are clipped off and the voltage is equalized back to normal levels.The BZW04-171BHR0G is mainly used in automotive and consumer electronic applications. The diode is designed to be used to provide overvoltage protection for electronic circuits such as switched-mode power supplies, power inverters, solenoid actuators, ignition systems, electrical distribution systems, and automotive electronics. This diode helps protect these components against high voltage transients that could otherwise cause permanent damage.In conclusion, the BZW04-171BHR0G TVS diode is a commonly used protective device that is designed to divert and equalize high voltage transients away from vulnerable electronic components. It is highly effective in preventing damages to the underlying circuit and is suitable for a variety of consumer electronics and automotive applications.

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