Overview
The BZX84C18W-7 is a Zener diode produced by Diodes Incorporated, designed for voltage regulation and protection in electronic circuits. This component is part of the BZX84C series, which offers a range of Zener voltages. The BZX84C18W-7 is specifically rated for an 18V Zener voltage, making it suitable for applications requiring stable voltage reference points.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage | 18 | V |
| Voltage Tolerance | ±6.5% | |
| Zener Current | 5 | mA |
| Power Dissipation | 0.2 | W |
| Thermal Resistance, Junction to Ambient Air | 625 | K/W |
| Operating and Storage Temperature Range | -65 to +125 | °C |
| Case/Package | SOT-323 | |
| Contact Plating | Tin |
Key Features
- Stable Zener Voltage: The BZX84C18W-7 provides a stable 18V Zener voltage, ideal for voltage regulation and reference applications.
- Low Power Dissipation: With a power dissipation of 0.2W, this diode is suitable for low-power applications.
- Compact Package: The SOT-323 package makes it suitable for surface-mount technology (SMT) and space-constrained designs.
- Broad Temperature Range: Operates over a wide temperature range from -65°C to +125°C, making it versatile for various environmental conditions.
- Lead-Free and RoHS Compliant: Manufactured with green molding compound and no purposefully added lead, ensuring compliance with environmental regulations.
Applications
The BZX84C18W-7 Zener diode is used in a variety of applications, including:
- Voltage Regulation: Provides a stable voltage reference in power supplies and voltage regulators.
- Overvoltage Protection: Protects electronic circuits from voltage spikes and overvoltages.
- Signal Conditioning: Used in signal conditioning circuits to stabilize and regulate signal levels.
- Consumer Electronics: Found in various consumer electronics such as audio equipment, televisions, and other electronic devices.
Q & A
- What is the Zener voltage of the BZX84C18W-7?
The Zener voltage of the BZX84C18W-7 is 18V. - What is the power dissipation of the BZX84C18W-7?
The power dissipation is 0.2W. - What is the package type of the BZX84C18W-7?
The package type is SOT-323. - What is the operating temperature range of the BZX84C18W-7?
The operating temperature range is from -65°C to +125°C. - Is the BZX84C18W-7 lead-free and RoHS compliant?
Yes, it is lead-free and RoHS compliant. - What is the typical Zener current for the BZX84C18W-7?
The typical Zener current is 5mA. - What is the voltage tolerance of the BZX84C18W-7?
The voltage tolerance is ±6.5%. - What are common applications for the BZX84C18W-7?
Common applications include voltage regulation, overvoltage protection, signal conditioning, and consumer electronics. - Is the BZX84C18W-7 suitable for surface-mount technology (SMT)?
Yes, it is suitable for SMT due to its SOT-323 package. - What is the thermal resistance of the BZX84C18W-7?
The thermal resistance, junction to ambient air, is 625 K/W.
