Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	4.7V
Tolerance:	±20%
Power - Max:	3W
Impedance (Max) (Zzt):	5 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 1.5V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	DO-214AC, SMA
Supplier Device Package:	DO-214AC (SMAJ)
Base Part Number:	SMAJ5917

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Introduction to SMAJ5917E3/TR13

The SMAJ5917E3/TR13 is a single Zener diode manufactured by Panasonic Semiconductor Solutions. This product is designed to provide an efficient and cost-effective solution for voltage regulation applications. The SMAJ5917E3/TR13 is RoHS (Restriction of Hazardous Substances) compliant, meaning the component does not contain certain hazardous materials that can have a negative impact on the environment.

Application and Design Considerations

The SMAJ5917E3/TR13 is designed for use in a variety of systems, such as in computer systems, consumer electronic products, and telecommunications equipment. The device is ideal for reverse voltage protection and voltage clamping. It can also be used to protect circuits against ESD (electrostatic discharge) events. The design considerations for the SMAJ5917E3/TR13 are relatively straightforward and simple. The component features an operating range of -2V to +3.3V, operating temperature range from -55°C to +150°C and reverse voltage range from -2V to +3.3V. The device is available in a DO-219AC (SMA) package, and the pin configuration is straightforward with 1 anode and 1 cathode. The SMAJ5917E3/TR13 features a maximum power dissipation of 500 mW, and its maximum or peak forward current is 5 A. It is also designed with an avalanche current of 3 A. This component has an obstruction voltage of 5.6 V, meaning it can withstand a high voltage without breaking down, and it also ensures that the diode will stay in a forward-biased state even when subjected to a high reverse-biased voltage.

Working Principle

As with all other diodes, the SMAJ5917E3/TR13 works by blocking current in one direction while allowing current to flow in the opposite direction. This type of diode is known as a Zener diode and it allows current to flow through it in the opposite direction, with the voltage drop taking place until the Zener voltage is reached. At that point, the voltage across the diode will remain constant and the current will also be limited. The SMAJ5917E3/TR13 utilizes a breakdown voltage of 5.6 V and an avalanche current of 3 A. This means that the voltage will remain at or below the breakdown voltage until the current reaches the avalanche current. At that point, the voltage will start to slowly increase above the Zener voltage. The device is designed to provide enhanced regulation performance and is used to protect circuits from transient voltage events.

Conclusion

The SMAJ5917E3/TR13 provides an efficient and cost-effective solution for voltage regulation applications. It can be used in a variety of systems such as computers, consumer electronic systems and communications equipment and it is designed with a straightforward pin configuration, making it quite easy to install and use. The component utilizes a Zener diode with a breakdown voltage of 5.6 V and an avalanche current of 3 A. It is designed to withstand high reverse voltage events and provide stable voltage delivery even at high current.

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