BZW50-22B

Series:	BZW50, TRANSIL™
Packaging:	Tape & Box (TB)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Bidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	22V
Voltage - Breakdown (Min):	24.4V
Voltage - Clamping (Max) @ Ipp:	51V
Current - Peak Pulse (10/1000µs):	1177A (1.177kA) (8/20µs)
Power - Peak Pulse:	5000W (5kW)
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	4250pF @ 1MHz
Operating Temperature:	--
Mounting Type:	Through Hole
Package / Case:	R6, Axial
Supplier Device Package:	R-6
Base Part Number:	BZW50

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TVS - Diodes: BZW50-22B Application Field and Working PrincipleThe BZW50-22B protection device is a high-efficiency overvoltage protection diode manufactured by Central Semiconductor. This device can be found intricately used in electronics from consumer products, computers, IT equipment and telecoms, as well as industrial and automotive equipment. The overvoltage protection device plays a crucial role in the modern world in safety, ensuring the smooth and reliable functioning of numerous electronics and circuits. The BZW50-22B is a surface mount device (SMD) specifically known as a transient voltage suppressor diode. It is typically a double diode which provides a fast turn off time to the end system and efficient handling of overvoltage transients. General operating temperature range of this SMD device is from -65C to 150C. It has a stand-off voltage of 22V, break down voltage (BV) of 24V, clamping voltage of 31.7V and a reverse leakage current of 200µA.A SMD transient voltage suppressors are also known as TVS diodes. The core function of the TVS diode is to prevent voltage transients from damaging delicate electronic equipment. It does this by electrostatically limiting the peak voltage and current. These diodes are usually placed at the power entry point of an electronic device, acting as a first line of defence for any unexpected overvoltage or current surge. TVS diode contain one or more silicon junctions within the semiconductor material. As the electrical potential of the circuit increases the current flowing through the junctions is reduced. This mechanism subsequently results in the junction being uncharged and any excess current is diverted away from the circuit. During a surge or overvoltage the diode’s silicon junction immediately turns on, allowing a surge to be discharged, and reregulated to the permitted voltage level.One salient feature that sets the BZW50-22B device apart from others is its patented fast turn-off capabilities. This helps to protect against even the shortest of electrical surge events. The fast turn-off helps this device to handle large surges and pulse currents due to the very low capacitance and low internal power losses. The small size of the diode allows it to fit into the smallest and densest of electronic layouts, thus enabling manufacturers to design increasingly smaller products.All in all, the BZW50-22B are extensively used as one the best available overvoltage protection diodes currently on the market. Its high efficiency, flexibility, fast turn-off and small size offer protection against all kind of electrical dynamics and therefore ideal for consumer products, computer, IT and telecommunications equipment, automotive and industrial electronics.

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