SAC45-E3/54

Current - Peak Pulse (10/1000µs):	6.8A
Base Part Number:	SAC*
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
Series:	TransZorb®
Voltage - Clamping (Max) @ Ipp:	77V
Voltage - Breakdown (Min):	50V
Voltage - Reverse Standoff (Typ):	45V
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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TVS - Diodes

A transient voltage suppressor diode, commonly referred to as a TVS, is a type of diode that stops current flow when an overvoltage is experienced. TVS diodes are designed to protect sensitive electronics against transients, or short-term increases in voltage, that could otherwise cause damage. One such device is the SAC45-E3/54, a two-pin diode that can withstand an excess of overvoltage. In this article, we will explore the application field and working principle of the SAC45-E3/54.

Application Field

The SAC45-E3/54 is designed for use in a variety of electronic circuits including automotive, industrial, and commercial applications. It is designed to protect against electromagnetic interference (EMI) as well as to protect high-value components and sensitive circuitry. Its compact size makes it suitable for use in a wide range of devices, from mobile phones and laptops to medical and industrial equipment. It is also ideal for use in automotive, military, and aerospace applications due to its excellent reliability and fast response time.

Working Principle

The SAC45-E3/54 is a bidirectional diode, meaning it can handle both positive and negative spikes in the circuit. It is composed of a P-type substrate region and two N-type regions. When the diode is forward biased, the current flows in a linear fashion from the P-region to the N-regions. However, when the diode is reverse biased, the current is blocked. This prevents transients from entering the system.When a transient voltage is present, the P-region quickly breaks down and inverts to an N-region. This creates an electric field that prevents further breakdown and blocks the transient voltage from entering the circuit. The P-region then reverts to its neutral state and the diode is reset. This process is repeatable and the diode is able to withstand even greater transient voltages with each subsequent breakdown.

Conclusion

The SAC45-E3/54 is a compact, reliable diode designed to protect a circuit from transient voltage spikes. Its bidirectional composition allows it to protect both positive and negative transients and its fast response time ensures that any incoming transients are identified and blocked even before they can cause damage. The diode is suitable for use in a variety of automotive, industrial, and commercial applications and is thus a great choice for protecting sensitive electronic components.

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