Overview
The BZX84B18LT1G is a Zener voltage regulator diode produced by onsemi. This component is part of the BZX84B series, which is designed to provide stable voltage regulation in a variety of electronic circuits. The BZX84B18LT1G is packaged in a SOT-23 surface mount format, making it suitable for automated board assembly and compact electronic designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Breakdown Voltage (VZ) @ IZT = 5 mA | 17.6 - 18.4 | V |
| Maximum Zener Impedance (ZZT) @ IZT = 5 mA | 80 | Ω |
| Maximum Reverse Leakage Current (IR) @ VR | 0.05 | μA |
| Power Dissipation | 225 | mW |
| Package Type | SOT-23 | - |
| Operating Temperature Range | -55°C to +150°C | - |
| Capacitance @ VR = 0, f = 1 MHz | 18.9 - 21.4 | pF |
Key Features
- Stable Voltage Regulation: The BZX84B18LT1G provides a stable Zener breakdown voltage, making it ideal for voltage regulation applications.
- Compact Packaging: The SOT-23 package is designed for optimal automated board assembly and is suitable for space-constrained designs.
- Low Reverse Leakage Current: The diode has a low reverse leakage current, which is beneficial for reducing power consumption in standby modes.
- Broad Operating Temperature Range: The component operates over a wide temperature range from -55°C to +150°C, making it versatile for various environmental conditions.
Applications
- Voltage Regulation: Used in voltage regulator circuits to maintain a stable output voltage.
- Overvoltage Protection: Can be used to protect electronic circuits from overvoltage conditions.
- Signal Clamping: Useful in signal clamping applications to limit voltage levels.
- Power Supplies: Often used in power supply circuits to regulate output voltages.
Q & A
- What is the Zener breakdown voltage of the BZX84B18LT1G?
The Zener breakdown voltage (VZ) of the BZX84B18LT1G is between 17.6 V and 18.4 V at IZT = 5 mA.
- What is the maximum power dissipation of the BZX84B18LT1G?
The maximum power dissipation is 225 mW.
- What is the package type of the BZX84B18LT1G?
The package type is SOT-23.
- What is the operating temperature range of the BZX84B18LT1G?
The operating temperature range is from -55°C to +150°C.
- What is the typical capacitance of the BZX84B18LT1G?
The typical capacitance is between 18.9 pF and 21.4 pF at VR = 0 and f = 1 MHz.
- What are the common applications of the BZX84B18LT1G?
Common applications include voltage regulation, overvoltage protection, signal clamping, and power supplies).
- What is the maximum reverse leakage current of the BZX84B18LT1G?
The maximum reverse leakage current (IR) is 0.05 μA).
- Is the BZX84B18LT1G RoHS compliant?
- What is the maximum Zener impedance of the BZX84B18LT1G?
The maximum Zener impedance (ZZT) is 80 Ω at IZT = 5 mA).
- How does the BZX84B18LT1G help in reducing power consumption?
The BZX84B18LT1G helps in reducing power consumption by having a low reverse leakage current, which is beneficial in standby modes).
