1SMB5941BT3

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	47V
Tolerance:	±5%
Power - Max:	3W
Impedance (Max) (Zzt):	67 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 35.8V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 200mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB
Supplier Device Package:	SMB
Base Part Number:	SMB5941

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Introduction to 1SMB5941BT3

1SMB5941BT3 is a diode known as Zerner diode which belongs to the single-diode zener category. It is a voltage regulator with a diffusion process, typically created for a wide range of SMD applications. It provides a low cost, reliable and efficient solution for a variety of zener functions and applications. The particular importance of this 1SMB5941BT3 lies in its wide range of applications, from integrated circuits and switch mode power supplies to automotive and communications applications.

Applications of 1SMB5941BT3

1SMB5941BT3 is a versatile diode suitable for a wide range of applications. Its common applications include:

• Clamping: 1SMB5941BT3 provides an ideal option for clamping applications as its low forward voltage drop makes it possible to reduce power dissipation and provide greater stability.
• Motor Control: Its low leakage current and high temperature operating characteristics make 1SMB5941BT3 suitable for use in motor control applications.
• Protection: Its low forward voltage drop, over temperature protection and reverse current blocking capabilities make it suitable for protection from over voltage, over current, and reverse polarity.
• Discrete Circuit Applications: 1SMB5941BT3 offers exceptional performance for discrete circuit applications such as in noise reduction, bulk voltage decoupling, and voltage regulation.

Working Principle of 1SMB5941BT3

1SMB5941BT3 is a zener diode with a maximum reverse voltage rating of 3.6 volts and a maximum power dissipation of 500 mW. It employs a diffusion process in its manufacture, which involves melting silica or boron dioxide with a resistivity material and adding a chemical compound to form a diode. The basic principle of operation of a 1SMB5941BT3 is that when a forward current is passed through it, its resistance decreases, while when a reverse voltage is applied to it, it turns into an open circuit. This is due to the behavior of the current-voltage characteristic, which is known as the zener effect. It is this effect that gives the 1SMB5941BT3 its voltage regulating capabilities. When the reverse voltage applied exceeds the zener breakdown voltage, it passes a high current which can harm the device. Therefore, a protective current limiting resistor is necessary to prevent this from happening.

Conclusion

1SMB5941BT3 is a versatile diode suitable for a wide range of applications and is a reliable and cost effective cost-saving in comparison to other types of diodes. It has a low forward voltage drop and low leakage current, which makes it ideal for clamping, motor control, protection, and a variety of discrete circuit applications. Additionally, its zener effect enables it to be used for voltage regulation. It is important to use a protective current limiting resistor when handling the 1SMB5941BT3 in order to prevent damage to the device.

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