SMBG5940CE3/TR13

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	43V
Tolerance:	±2%
Power - Max:	2W
Impedance (Max) (Zzt):	53 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 32.7V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	DO-215AA, SMB Gull Wing
Supplier Device Package:	SMBG (DO-215AA)
Base Part Number:	SMBG5940

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Introduction to SMBG5940CE3/TR13 SMBG5940CE3/TR13 belongs to the single Zener diode family, with a total power dissipation of 1.5 Watts, a breakdown voltage of 39V, and a forward current of 1A. This diode is used for voltage regulation and for providing a stable reference level to circuit components. The junction temperature of this diode is -55°C to +125°C. The SMBG5940CE3/TR13 is usually packaged in a standard DO-41 package. Application FieldThe SMBG5940CE3/TR13 is a commonly used general purpose Zener diode. It is commonly used in voltage regulation circuits and voltage switching circuits, where it can provide a stable reference level. It can also be used as a current limiter, such as in digital circuits, as well as in DC/DC converters and signal processing circuits.In voltage regulation circuits, the diode is placed in parallel with other components that require a stable reference voltage. Its breakdown voltage of 39V will then act as a reference point. It can also be used as a voltage switch in low voltage applications, such as in logic circuits and signal processing circuits, to convert DC input signals into AC output signals.The diode can also be used as a current limiter. As the current increases, the voltage across the diode increases, which in turn limits the amount of current that can pass through. This is commonly used in digital logic circuits, where the diode acts as a safety measure to limit the amount of current that can pass through a circuit. Working Principle The SMBG5940CE3/TR13 works on the principle of Zener breakdown. When a reverse voltage exceeding the diode\'s breakdown voltage is applied, it causes the current to break down and pass through the diode. This breakdown current can be regulated and is used to provide a stable reference voltage.The reverse breakdown occurs when the electric field intensity within the diode junction becomes so great that it causes an avalanche breakdown. This breakdown creates carriers that can flow in the reverse direction. This reverse current, which is known as the Zener current, passes through the diode and acts as a reference voltage. The diode can also be used in current limiting applications. As the current increases, the voltage across the diode increases, limiting the amount of current that can pass through it. ConclusionThe SMBG5940CE3/TR13 is a commonly used single Zener diode that is used for voltage regulation, voltage switching and current limiting. It is designed to provide a stable reference voltage and is usually packaged in a standard DO-41 package. Its breakdown voltage is 39V and it has a maximum power dissipation of 1.5 Watts. The diode works on the principle of Zener breakdown, allowing it to provide a stable reference voltage to other components in the circuit and to limit the amount of current that can pass through the circuit.

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