1N2811B

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	13V
Tolerance:	±5%
Power - Max:	50W
Impedance (Max) (Zzt):	1.1 Ohms
Current - Reverse Leakage @ Vr:	10µA @ 9.9V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 10A
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Through Hole
Package / Case:	TO-204AD
Supplier Device Package:	TO-204AD (TO-3)
Base Part Number:	1N2811

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1N2811B Application Field and Working Principle

Diodes are electronic components whose main purpose is to control the flow of electricity. The 1N2811B is a single zener diode designed for applications that require a low voltage, high-reliability power source. This diode offers a variety of features including temperature stabilized, shielded construction, and improved immunity to stress and mechanical shock.Zener diodes are used for voltage regulation, as they make it easier to regulate voltage levels at specific points in a circuit. The working principle of a Zener diode is based on its unique reverse-bias characteristics. When a Zener diode is connected in reverse bias, the potential barrier between P-side and N-side will become the Zener voltage value. Consequently, the diode acts like an open circuit until the voltage drop across it becomes equal or greater than the Zener voltage. Above that voltage, the diode acts like a closed circuit and begins to regulate the voltage level, preventing further increases.The 1N2811B is ideal for applications that require low cost, high-reliability power sources. Used in low-power, low-current applications, the diode can safely handle voltages up to 50V. This enables the 1N2811B to be used in circuits that demand stability, such as automotive applications. Additionally, the 1N2811B is designed to handle higher reverse currents than other Zener diodes, delivering better stability in higher temperatures.The 1N2811B also includes a shielded construction to protect against EMI and RFI. This is beneficial in a variety of applications, as EMI and RFI can result in circuit malfunction. The diode is also designed to be resistant to mechanical shock, making it suitable for use in high-traffic manufacturing plants.In conclusion, the 1N2811B is a single Zener diode that is ideal for applications that require a low voltage, high-reliability power source. The diode includes a variety of features, including temperature stabilization, shielded construction, improved immunity to stress and mechanical shock, and resistance to EMI and RFI. Additionally, the 1N2811B is designed to handle higher reverse currents than other Zener diodes, delivering better stability in higher temperatures.

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