BZD27B51P-E3-18

Series:	Automotive, AEC-Q101, BZD27B
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	51V
Tolerance:	--
Power - Max:	800mW
Impedance (Max) (Zzt):	60 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 39V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	DO-219AB
Supplier Device Package:	DO-219AB (SMF)

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Introduction

A BZD27B51P-E3-18 is a type of diode known as a Zener diode and is designed for single-application systems. It is a voltage-controlled diode that is used for the purpose of clamping or limiting the voltage in order to protect circuits from excessive voltages. The BZD27B51P-E3-18 has a maximum Zener voltage of 18V and a maximum clamp current of 27A.

Working Principle

Zener diodes work by allowing the current to flow in either direction when the voltage is below the Zener voltage. When the applied voltage reaches the Zener voltage, the diode switches and allows current to flow in one direction only. This limits the maximum voltage across the diode. The BZD27B51P-E3-18 is also designed to allow reverse currents when the voltage drops below the Zener voltage, thus allowing it to be used as a protective clamping device.

Application Field

The BZD27B51P-E3-18 Zener diode is mainly used in over voltage protection systems. It is often used in power supplies or power conditioning systems that are used in industrial and consumer electronics. It is also used in automotive applications such as DC-DC converters, power supplies and voltage regulators, as well as in other high voltage applications. Additionally, the diode is often used in circuit protection circuits, as well as in circuits that are designed to protect sensitive electronic components.

Conclusion

The BZD27B51P-E3-18 is a single-application Zener diode designed to limit the voltage of a circuit. It works by allowing the current to flow in either direction until the Zener voltage is reached and then switching to allow current to flow in one direction only. This helps to protect the circuit from excessive voltages. The BZD27B51P-E3-18 is used in a wide range of applications including power supplies, DC-DC converters, power conditioning and over voltage protection systems, as well as in circuit protection circuits.

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