Overview
The BZX84C18-HE3-18 is a Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84 series, known for its reliability and performance in voltage regulation applications. The BZX84C18-HE3-18 is designed to provide stable voltage reference and protection in a variety of electronic circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage - Zener (Nom) (Vz) | 18 V |
| Tolerance | ±5% |
| Supplier Device Package | SOT-23-3 |
| Series | BZX84 |
| Power - Max | 300 mW |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Package | Tape & Reel (TR) |
| 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
- Stable Voltage Reference: The BZX84C18-HE3-18 provides a stable voltage reference, making it ideal for voltage regulation applications.
- Low Reverse Leakage Current: With a reverse leakage current of 50 nA at 12.6 V, this diode minimizes current loss in the reverse direction.
- High Power Handling: The diode can handle up to 300 mW of power, ensuring robust performance in various circuits.
- Compact Package: The SOT-23-3 package is compact and suitable for surface mount applications, saving space on the PCB.
- Wide Operating Temperature Range: The diode operates over a temperature range of -55°C to 150°C, making it suitable for a wide range of environments.
Applications
- Voltage Regulation: The BZX84C18-HE3-18 is commonly used in voltage regulator circuits to provide a stable reference voltage.
- Circuit Protection: It can be used to protect circuits from voltage spikes and overvoltages.
- Consumer Electronics: Suitable for use in consumer electronics such as audio equipment, power supplies, and other electronic devices.
- Automotive Systems: Can be used in automotive systems for voltage regulation and protection.
- Industrial and Telecommunications Equipment: Applicable in industrial and telecommunications equipment where stable voltage references are required.
Q & A
- What is the nominal Zener voltage of the BZX84C18-HE3-18?
The nominal Zener voltage is 18 V.
- What is the tolerance of the Zener voltage?
The tolerance is ±5%.
- What is the maximum power handling of the BZX84C18-HE3-18?
The maximum power handling is 300 mW.
- What is the package type of the BZX84C18-HE3-18?
The package type is SOT-23-3.
- What is the operating temperature range of the BZX84C18-HE3-18?
The operating temperature range is -55°C to 150°C.
- What is the reverse leakage current of the BZX84C18-HE3-18 at 12.6 V?
The reverse leakage current is 50 nA at 12.6 V.
- Is the BZX84C18-HE3-18 RoHS compliant?
Yes, the BZX84C18-HE3-18 is RoHS compliant.
- What are some common applications of the BZX84C18-HE3-18?
Common applications include voltage regulation, circuit protection, consumer electronics, automotive systems, and industrial and telecommunications equipment.
- How is the BZX84C18-HE3-18 packaged?
The diode is packaged in Tape & Reel (TR) format.
- What is the impedance (Zzt) of the BZX84C18-HE3-18?
The impedance (Zzt) is 45 Ohms.
