Overview
The BZX84C18-HE3-08 is a silicon planar Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84 series, which is known for its high reliability and precision in voltage regulation. The BZX84C18-HE3-08 is specifically designed to provide a stable Zener voltage of 18V, making it suitable for a variety of applications requiring voltage stabilization and regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nom) | 18 | V |
| Tolerance | ±5% | |
| Supplier Device Package | SOT-23-3 | |
| Power - Max | 300 | mW |
| Operating Temperature | -55°C ~ 150°C | |
| Mounting Type | Surface Mount | |
| Impedance (Max) (Zzt) | 45 | Ohms |
| Current - Reverse Leakage @ Vr | 50 nA @ 12.6 V |
Key Features
- High Precision Voltage Regulation: The BZX84C18-HE3-08 offers a precise Zener voltage of 18V with a tolerance of ±5%, ensuring stable voltage regulation in various applications.
- Low Power Dissipation: With a maximum power dissipation of 300 mW, this diode is suitable for applications where power efficiency is crucial.
- Wide Operating Temperature Range: The component can operate over a temperature range of -55°C to 150°C, making it versatile for different environmental conditions.
- Surface Mount Package: The SOT-23-3 package is convenient for surface mount assembly, enhancing the ease of integration into modern electronic designs.
- RoHS Compliant and AEC-Q101 Qualified: The BZX84C18-HE3-08 is RoHS compliant and AEC-Q101 qualified, ensuring it meets stringent environmental and automotive standards.
Applications
The BZX84C18-HE3-08 is suitable for a wide range of applications, including:
- Voltage Stabilization: In circuits requiring stable voltage regulation, such as power supplies, audio equipment, and medical devices.
- Overvoltage Protection: To protect electronic circuits from voltage spikes and surges.
- Automotive Systems: Given its AEC-Q101 qualification, it is suitable for use in automotive electronics, such as in-car entertainment systems, navigation, and safety systems.
- Industrial Control Systems: For voltage regulation and protection in industrial control circuits, including those in manufacturing and automation.
Q & A
- What is the nominal Zener voltage of the BZX84C18-HE3-08?
The nominal Zener voltage is 18V. - What is the tolerance of the Zener voltage?
The tolerance is ±5%. - What is the maximum power dissipation of the BZX84C18-HE3-08?
The maximum power dissipation is 300 mW. - What is the operating temperature range of the BZX84C18-HE3-08?
The operating temperature range is -55°C to 150°C. - Is the BZX84C18-HE3-08 RoHS compliant?
Yes, it is RoHS compliant. - What package type does the BZX84C18-HE3-08 use?
The package type is SOT-23-3. - What is the maximum impedance (Zzt) of the BZX84C18-HE3-08?
The maximum impedance (Zzt) is 45 Ohms. - What is the reverse leakage current at the specified voltage?
The reverse leakage current is 50 nA at 12.6 V. - Is the BZX84C18-HE3-08 suitable for automotive applications?
Yes, it is AEC-Q101 qualified, making it suitable for automotive applications. - What are some common applications of the BZX84C18-HE3-08?
Common applications include voltage stabilization, overvoltage protection, automotive systems, and industrial control systems.
