SA40CA B0G Circuit Protection

Voltage - Clamping (Max) @ Ipp:	64.5V
Supplier Device Package:	DO-204AC (DO-15)
Package / Case:	DO-204AC, DO-15, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	500W
Current - Peak Pulse (10/1000µs):	8.1A
Series:	SA
Voltage - Breakdown (Min):	44.4V
Voltage - Reverse Standoff (Typ):	40V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Diodes

TVS - Diodes, or transient voltage suppressors, are electronic devices typically used for protection against transient voltages. Transients occur during surges, interference, or static discharges. These type of voltage spikes occur often in electronic or electrical systems and can often cause damage. TVS diodes offer protection by quickly responding to the transient and then redirecting the energy away from the protected components.A TVS diode, or transient voltage suppressor, is also known as a thyrector diode, which is built with a thyreator-like structure and function. A thyreator is an electrical device that can, upon a certain voltage threshold, interrupt the current at the moment it occurs. A TVS diode is similar to a thyreator in this way, but they are designed to protect against transients, both high voltages (surges) and low voltages (grounding faults). The SA40CA B0G TVS diode is a surface mount silicon-based diode, part of the UniDir series of transient voltage surge suppressors from Littelfuse. It is designed to provide integrated ESD and lightning protection for various industrial applications. It has a bi-directional structure, meaning that it can protect against double transients.This device is specifically ideal for the protection of solid-state relays used in automotive, consumer applications and industrial sensors, and is built to withstand up to 40A of reverse current. TheSA40CA B0G is usually connected between the voltage source and the sensitive circuitry, allowing any large transient voltage to be shunted away from the diode and the application. It works by providing a low resistance path to shunt away large voltage spikes, while maintaining a high-impedance path when the voltages are within a normal range.The transient voltage suppression (TVS) device also has an internal breakdown voltage, which is activated when the voltage exceeds a certain threshold. Once the voltage exceeds the threshold, the diode will conduct and redirect the current away from the protected circuitry. This ensures that the protected component is not damaged and its function not disrupted.The SA40CA B0G is designed to provide an alternative to gas discharge tubes (GDTs), which are typically not compatible with sensitive circuits due to their inherent inductance. This device is also particularly ideal for Printed Circuit Board (PCB) layout, offering an easy installation. These type of generic TVS Diodes are also built with a high thermal conductivity, which can protect the diode from heat stress and enhance their reliability and durability. They are also designed to protect against current and pressure spikes, as well as conductive debris and high potential arc-over. In summary, TVS Diodes, such as the SA40CA B0G, are electronic devices used for protection against transient voltages, which are high-voltage and low-voltage spikes. They are designed to provide an alternative to gas discharge tubes (GDTs) and offer integrated ESD and lightning protection for various industrial applications, offering relatively easy installation and high thermal conductivity.

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