BZW04-64B-E3/73

Series:	TransZorb®
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):	64.1V
Voltage - Breakdown (Min):	71.3V
Voltage - Clamping (Max) @ Ipp:	103V
Current - Peak Pulse (10/1000µs):	3.9A
Power - Peak Pulse:	400W
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	--
Operating Temperature:	-55°C ~ 175°C (TJ)
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-204AL (DO-41)
Base Part Number:	BZW04

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TVS (Transient Voltage Suppressor) diodes act as a protector against over-voltage conditions such as electrostatic discharges (ESDs), lightning strikes, and power surge events. The BZW04-64B-E3/73 is a part of this family of components, and can be used in multiple ways for protecting circuits from these risky conditions.This TVS diode consists of a glass envelope which is filled with a high-pressure gas, usually nitrogen or other inert gases. At the center of this glass envelope resides the N-S diode junction which comprises a pair of oppositely-doped semiconductor material, usually silicon. Semiconductors are chosen because of their ability to quickly convert a high-voltage incident across the diode junction into a low-voltage pulse which helps dissipate the energy of the incident.The BZW04-64B-E3/73 is a uni-directional TVS diode with a peak pulse power capability of 3.3kW. This component can be used in a wide variety of applications that require protection from over-voltage such as power supplies, motor controls, automotive circuits, computers, and communications systems. This component has a breakdown voltage of 64V and it also features a low reverse leakage current and a fast response time.The BZW04-64B-E3/73 diode works by clamping down any high voltage incident across its junction and dissipating the energy in the process. Once the incident is clamped, the diode “breaks over” to its stable region, acting as a short circuit with a low resistance. This helps the diode to provide a low-voltage path for the remaining energy to dissipate. After the incident is over, the diode normally recovers and returns to its original low-resistance state.The maximum clamping voltage of the BZW04-64B-E3/73 diode is also adjustable. This can be done by connecting external resistors between “A” and “K” pins of the diode. The value of the resistor can be used to reduce the maximum clamping voltage of the diode, allowing the user to customize the diode to their particular application.Overall, the BZW04-64B-E3/73 diode is a very powerful protection solution for a variety of applications. It’s fast response time, high pulse power capability, and adjustable clamping voltage make it a go-to solution for many industrial and automotive applications.

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