1SMA4756TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	47V
Tolerance:	±5%
Power - Max:	1W
Impedance (Max) (Zzt):	80 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 35.8V
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:	SMA (DO-214AC)

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1SMA4756TR Application Field and Working Principle1SMA4756TR is a type of Zener diode, which is a semiconductor device designed to operate as a voltage regulator. It is highly stable when used for voltage regulation and also has a low thermal resistance, making it suitable for a variety of applications. It is often used in electronics circuits to provide constant voltage regulation and prevent overvoltage damage.The 1SMA4756TR has a typical breakdown voltage of 4.7V and a maximum power dissipation of 500mW. The Zener diode is designed to break down when the reverse bias exceeds the Zener voltage, allowing current to flow in the reverse direction. This current is then used to regulate the voltage across the diode, preventing it from going above the specified value. The diode is also capable of providing a constant reverse polarity current which is useful for keeping the voltage levels in check.The 1SMA4756TR is primarily used in consumer electronics, such as TVs, computers, and mobile phones. It can also be used in instrumentation, medical equipment, automotive applications, and industrial applications. It is typically used in conjunction with a voltage regulator to ensure a constant voltage output, and with a current limiter, to protect sensitive components from high-voltage spikes.The 1SMA4756TR has a variety of features that make it a great choice for applications that require precise voltage regulation. It has a low capacitance, which helps reduce noise and EMI (electromagnetic interference). Additionally, it has a short reverse recovery time and wide operating temperature range. It is also resistant to damage from reverse polarity current and is capable of handling high surge currents.In conclusion, the 1SMA4756TR is an excellent choice for applications that require precise voltage regulation. It has a wide range of features and is cost-effective, making it a popular choice among electronics engineers. Its wide operating temperature range and low capacitance make it suitable for a variety of applications, while its low thermal resistance ensures efficient operation. Its high surge current capability, reverse polarity protection and short reverse recovery time also add to its stability and suitability for a variety of applications.

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