1SMB5945HR5G

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	68V
Tolerance:	±5%
Power - Max:	3W
Impedance (Max) (Zzt):	120 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 51.7V
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB
Supplier Device Package:	DO-214AA (SMB)

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Diodes - Zener - Single:Zener diodes are components that are used when a voltage needs to be stabilized in a circuit. They are a type of diode whose purpose is to regulate the voltage in a circuit by allowing current to flow through it in one direction only. The 1SMB5945HR5G is a single Zener diode that can handle a maximum power dissipation of 1 Watt. It has a breakdown voltage of 5.5 volts, a current rating of 5mA, and a reverse leakage current of 100uA.The most common application for Zener diodes is for stabilizing the voltage in a circuit. In this application, the Zener diode is connected in reverse bias so that it can act as a voltage regulator, allowing current to flow through it only when the voltage reaches a certain threshold. This threshold is known as the breakdown voltage, which is set when the diode is manufactured. The 1SMB5945HR5G has a breakdown voltage of 5.5 volts, which means that it will begin to allow current to flow through it when the voltage reaches 5.5 volts.Another common application for Zener diodes is for protection against overvoltage. In this application, the Zener diode is connected in parallel with the main power supply so that it can act as a barrier between the power supply and the rest of the circuit. The Zener diode will begin to allow current to flow when the voltage exceeds the breakdown voltage, thus protecting the rest of the circuit from overvoltage.The 1SMB5945HR5G can also be used in applications where low voltage drop is desired. In these applications, the Zener diode is connected in series with a resistor and the main power supply, forming a voltage divider circuit. This circuit can be used to regulate the voltage in the circuit by allowing current to flow through the Zener diode when the voltage exceeds the breakdown voltage. The voltage drop across the Zener diode is determined by the breakdown voltage, which for the 1SMB5945HR5G is 5.5 volts.Finally, the 1SMB5945HR5G is also suitable for use in surge protection circuits. In these applications, the Zener diode acts as a clamp, limiting the voltage to the breakdown voltage in order to protect the rest of the circuit from high voltages.Overall, the 1SMB5945HR5G is a single Zener diode with a breakdown voltage of 5.5 volts, a current rating of 5mA, and a reverse leakage current of 100uA. It is suitable for use in applications where a low voltage drop is desired, such as voltage stabilization, overvoltage protection, and surge protection.

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