Overview
The BZX84B18-G3-18 is a small signal Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84-G series and is known for its high reliability and precision in voltage regulation. The BZX84B18-G3-18 is specifically designed to provide a stable voltage reference in a variety of electronic circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nom) (Vz) | 18 | V |
| Tolerance | ±2% | |
| Power - Max | 300 | mW |
| Impedance (Max) (Zzt) | 45 | Ohms |
| Current - Reverse Leakage @ Vr | 50 nA @ 12.6 V | |
| Operating Temperature | -55°C ~ 150°C | |
| Mounting Type | Surface Mount | |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | |
| Supplier Device Package | SOT-23-3 |
Key Features
- AEC-Q101 Qualified: Ensures the component meets automotive standards for reliability and performance.
- Precision Voltage Regulation: Offers a tight tolerance of ±2% for stable voltage reference.
- Low Reverse Leakage Current: Minimizes current leakage, enhancing overall circuit efficiency.
- High Operating Temperature Range: Operates reliably from -55°C to 150°C, making it suitable for a wide range of applications.
- Surface Mount Package: Convenient for modern PCB assembly processes.
Applications
- Voltage Regulation: Used in circuits requiring stable voltage references.
- Overvoltage Protection: Protects electronic circuits from voltage spikes and surges.
- Audio and Signal Processing: Employed in audio and signal processing circuits to maintain signal integrity.
- Automotive Electronics: Suitable for use in automotive systems due to its AEC-Q101 qualification.
Q & A
- What is the nominal Zener voltage of the BZX84B18-G3-18?
The nominal Zener voltage is 18 V.
- What is the tolerance of the Zener voltage for this component?
The tolerance is ±2%.
- What is the maximum power dissipation of the BZX84B18-G3-18?
The maximum power dissipation is 300 mW.
- What is the operating temperature range of this component?
The operating temperature range is -55°C to 150°C.
- What type of package does the BZX84B18-G3-18 come in?
The component comes in TO-236-3, SC-59, and SOT-23-3 packages.
- Is the BZX84B18-G3-18 AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified.
- What is the reverse leakage current at the specified reverse voltage?
The reverse leakage current is 50 nA at 12.6 V.
- What is the maximum impedance (Zzt) of the BZX84B18-G3-18?
The maximum impedance (Zzt) is 45 Ohms.
- Is the BZX84B18-G3-18 RoHS compliant?
Yes, it is RoHS compliant.
- What are some common applications of the BZX84B18-G3-18?
Common applications include voltage regulation, overvoltage protection, audio and signal processing, and automotive electronics.
