SMAJ4756E3/TR13

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	47V
Tolerance:	±10%
Power - Max:	2W
Impedance (Max) (Zzt):	80 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 35.8V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	DO-214AC, SMA
Supplier Device Package:	DO-214AC

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IntroductionThe SMAJ4756E3/TR13 is a part of a subcategory of diodes — Zener — Single. The SMAJ4756E3/TR13 is a 4.7V, 500mW Zener diode, suitable for use in standard board-level applications − such as bias and protective circuits − as well as in consumer-facing space-sensitive applications, such as computers and mobile devices.Application FieldThe SMAJ4756E3/TR13 is widely used in consumer-facing applications, such as computers and mobile phones. The diode is designed to protect electronic components from potential electrical damage. Its low-voltage range — 4.7V — and 500mW power rating make it ideal for use in a broad range of consumer-facing devices.The SMAJ4756E3/TR13 is also suitable for use in industrial-grade applications such as bias and protective circuits. Its thermal stability and high reverse-punch rating make it an ideal choice for electronic circuits that operate in extreme temperature conditions and handle large surges of current.Working PrincipleThe SMAJ4756E3/TR13 is a Zener diode, meaning it operates on the well-known zener principle. In operation, Zener diodes act as a voltage reference and Voltage regulator. When the voltage across the diode is greater than the breakdown voltage - or zener voltage - the diode begins to conduct current in the reverse direction. This allows the diode to regulate the voltage across it and limit the amount of current passing through it.When the reverse voltage applied is greater than the zener voltage, the diode will "breakdown" and allow a large amount of current to pass through it, protecting the circuit from damage. This is why the SMAJ4756E3/TR13 is suitable for both consumer and industrial-grade circuits as it has a high reverse-punch rating.Conclusion In conclusion, the SMAJ4756E3/TR13 is a useful Zener diode designed to provide protection from potential electrical damage in consumer-facing devices, as well as in industrial applications. Its low-voltage range and high reverse-punch rating make it a favorable choice for many applications. The SMAJ4756E3/TR13 is a great addition to any board-level system.

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