BZW50-82RL Circuit Protection

Current - Peak Pulse (10/1000µs):	317A (8/20µs)
Base Part Number:	BZW50
Supplier Device Package:	R-6
Package / Case:	R6, Axial
Mounting Type:	Through Hole
Operating Temperature:	--
Capacitance @ Frequency:	2600pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	5000W (5kW)
Series:	BZW50, TRANSIL™
Voltage - Clamping (Max) @ Ipp:	189V
Voltage - Breakdown (Min):	91V
Voltage - Reverse Standoff (Typ):	82V
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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Introduction

TVS (transient voltage suppressors, or transient voltage surge suppressors) - diodes are a type of protection device used to protect circuits, such as electrical equipment, from the effects of external electrical surges, voltage spikes, and ESD (electro-static discharge) energy. The BZW50-82RL is a TVS diode specifically designed for high voltage applications. This article will provide an overview of the BZW50-82RL and its application field and working principle.

Description of BZW50-82RL

The BZW50-82RL is a Unidirectional (Voltage Dependent) TVS diode which consists of two main components: an anode, which is a negative substrate and a cathode, which is an insulated gate. The device has a rated stand-off voltage of 82 volts (Vdc), and the diode can absorb up to 1,500 watts (W) of peak pulse power. The maximum peak current for the device is 400A. The BZW50-82RL is designed for applications such as telecommunications systems, IT equipment, data and network equipment, and industrial machinery, where it can protect parts of the circuit from EMI (electromagnetic interference) radiation.

Application Field and Working Principle

As mentioned, the BZW50-82RL is mainly used in high voltage applications, such as telecommunications systems, IT equipment, data and network equipment, and industrial machinery. In these applications, the device is especially useful for protecting parts of the circuit from EMI radiation, but it can also be used to protect the overall system from surges, voltage spikes, and ESD events.The BZW50-82RL is designed to protect against transient voltage surge events. When a surge or spike in voltage is detected, the diode will begin to conduct current, and this conduction will limit the voltage across the protected components to a safe level. The device is designed to absorb the peak transient energy of up to 1,500W, and it will also clamp the peak voltage to a safe level. In the event of an ESD event, the diode will conduct current and limit the voltage to a safe level, thus protecting the components from harm.To conclude, the BZW50-82RL is a Unidirectional (Voltage Dependent) TVS diode designed for high voltage applications. The device is rated for 82 volts (Vdc), and can absorb up to 1,500 watts (W) of peak pulsed power. It is mainly used in telecommunications systems, IT equipment, data and network equipment, and industrial machinery, where it can protect parts of the circuit from EMI radiation. The BZW50-82RL is also designed to protect against surges, voltage spikes, and ESD events, as it will conduct current and clamp the peak voltage to a safe level.

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