BZX384B11-G3-18

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	11V
Tolerance:	±2%
Power - Max:	200mW
Impedance (Max) (Zzt):	20 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 8V
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-76, SOD-323
Supplier Device Package:	SOD-323

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Introduction

BZX384B11-G3-18 is a Silicon Zener Diode with a nominal Zener voltage of 11V. It is commonly used as a voltage reference in circuits to supply a stable voltage output. The BZX384B11-G3-18 has an operating temperature range of -65 to +175 degrees Celsius and a thermal resistance junction to case of 1.3 degrees Celsius per watt.

General Description

The BZX384B11-G3-18 is a single Zener diode optimised to provide improved performance over other Zener diodes in the marketplace. It has a maximum power dissipation of 500mW when mounted on a ceramic substrate or 500mW when mounted on a non-conductive substrate. This diode has a surge power capability of 2W.

Applications

The BZX384B11-G3-18 is an ideal component for providing voltage references or voltage stabilisation, and is commonly used in automotive, consumer and computer products, television sets and audio equipment.The BZX384B11-G3-18 can be used as a voltage reference in circuits requiring accurate, stable voltage, such as power supplies, battery chargers and adapters. It is also used in many circuit protection applications.

Features

• Silicon Zener Diode • Low Capacitance • High peak reverse power dissipation • Operates across a wide temperature range • Wide range of application

Working Principle

The BZX384B11-G3-18 diode operates according to the principle of Zener breakdown. In a circuit, the forward bias causes electrons to move through the diode and to the anode, creating a current flow. When the voltage across the device reaches the Zener breakdown voltage, the diode enters an avalanche breakdown, which results in an extremely high and abrupt increase in current. This current flow creates a Zener voltage across the diode, which is the voltage reference output.The Zener voltage is determined by the operating temperature and the external bias applied to the diode. The diode\'s power dissipation capability is limited to its thermal resistance junction to case rating to ensure the device is not destroyed by excessive heat.

Conclusion

The BZX384B11-G3-18 is an ideal voltage reference suitable for a wide range of applications. Its low capacitance and high peak reverse power dissipation make it an ideal choice for many circuits requiring a stable output. Its low thermal resistance junction to case ratings minimise the risk of overheating in circuit protection applications.

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