SMBG5944B/TR13

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	62V
Tolerance:	±5%
Power - Max:	2W
Impedance (Max) (Zzt):	100 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 47.1V
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:	SMBG5944

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Diodes - Zener - Single are an important class of special-purpose diodes designed to regulate the voltage in electronic circuits such as power supplies, radios and TVs. The SMBG5944B/TR13 is a single-diode zener designed for use in applications that require protection from excessive voltage, such as AC-DC switching power supply circuits and other power management circuit designs. The device features a glass-passivated high-protocol voltage that offers a wide range of thermal and electrical stability and is suitable for both low-current and high-current operations.The working principle of the SMBG5944B/TR13 begins with the current flow. When a voltage is applied to the diode, current flows through it in a forward direction. As the voltage increases, the current increases until it reaches its maximum value, known as the rated current. At this point, the Zener breaks down, leading to a large increase in current flow. This prevents the voltage from continuing above the rated voltage and instead keeps it within a tolerance range. This "clamping" helps protect the circuit from excessive voltage and prevents it from being damaged.The design of the SMBG5944B/TR13 also helps to reduce power losses and improve the efficiency of a power supply circuit. During the Zener\'s forward conduction, its current increases exponentially as the voltage approaches the Zener\'s breakdown voltage. This prevents the device from producing excessive heat, as it reduces the power dissipation in the device to the minimum.The SMBG5944B/TR13 can also be used for protection applications such as protecting the circuit from excessive reverse-voltage. When a reverse voltage is applied, it causes current to flow through the diode in a reverse direction and limits the amount of current that is allowed to flow into the circuit. This prevents the circuit from turning on and damaging itself or other components nearby.The SMBG5944B/TR13 is an ideal device for use in a variety of applications. Its high-breakdown voltage makes it suitable for use in high-current circuits while the low power dissipation makes it well suited for use in low-current applications. In addition, its reverse-voltage protection capabilities make it a perfect choice for protection against voltage spikes and other power irregularities that can occur in unstable power supplies.

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