1N2812RB

Introduction to 1N2812RB

The 1N2812RB is a silicon rectifier diode. It belongs to the range of single Zener diodes and is primarily used for protecting primary and secondary circuits from overvoltage conditions.

Application Field of 1N2812RB

The 1N2812RB is most commonly used in circuit protection applications including voltage clamping, dc current limiting, and peak pulse rectification. It provides a cost effective solution in a wide range of applications, including battery protection, solar panel reverse current protection, motor controller protection and power supply protection.

It is also used in motor controllers, automotive applications, communication applications and power supplies. This diode is highly effective in limiting voltage peaks and ensuring long service life for motors and other components in critical applications.

Working Principle of 1N2812RB

The 1N2812RB is designed to clamp overvoltages in circuits, protecting them from damage or destruction. The Zener breakdown voltage or reverse bias breakdown voltage of the diode is used to determine its effectiveness as a protective element in a circuit. When conducting current in the reverse direction, it increases its voltage until it reaches a predefined magnitude, at which point it allows the current to flow. This allows the diode to act as an overvoltage protector.

When the circuit is exposed to a temporary overvoltage, the diode begins to conduct current and transfers the excess energy to a low resistance load. This reduces the voltage in the circuit and minimizes damage. The 1N2812RB has a forward bias voltage of 5V and a reverse breakdown voltage of 16V and an operating temperature range of -55°C to +125°C.

Conclusion

The 1N2812RB is a reliable, cost effective solution for circuit protection that offers superior performance in a variety of applications. The diode\'s reverse bias breakdown voltage and forward bias voltage ensure that it can effectively protect circuits from overvoltages and ensure the long term protection of components.