Overview
The BZX84C18LT3 is a silicon planar Zener diode produced by onsemi, designed to provide voltage regulation in compact, high-density applications. This device is part of the BZX84 series, which is known for its small package size and high performance. The BZX84C18LT3 is housed in a SOT-23 package, making it ideal for use in cellular phones, handheld portables, and high-density PC boards.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Breakdown Voltage Range | 2.4 V to 75 V | V |
| Zener Voltage (VZ) at IZT | 17.64 to 18.36 | V |
| Test Current (IZT) | 5 mA | mA |
| Maximum Reverse Leakage Current (IR) | 50 nA | nA |
| Zener Impedance (ZZ) | 45 Ohms | Ω |
| Power Dissipation | 225 mW (on FR-4 or FR-5 board) | mW |
| Operating Temperature Range | -55°C to +150°C | °C |
| Storage Temperature Range | -65°C to +150°C | °C |
| ESD Rating | Class 3 (>16 kV) per Human Body Model | kV |
| Package Type | SOT-23 (TO-236) | |
| Maximum Case Temperature for Soldering | 260°C for 10 seconds | °C |
Key Features
- Voltage Regulation: Provides stable voltage regulation with a Zener breakdown voltage range of 2.4 V to 75 V.
- Compact Package: SOT-23 package for high-density applications.
- High Performance: Suitable for cellular phones, handheld portables, and high-density PC boards.
- ESD Protection: ESD rating of Class 3 (>16 kV) per Human Body Model.
- AEC-Q101 Qualified: Available in AEC-Q101 qualified versions for automotive and other demanding applications.
- Pb-Free Packages: Lead-free packages available.
- Optimal Automated Board Assembly: Package designed for optimal automated board assembly.
Applications
- Cellular Phones: Ideal for voltage regulation in mobile devices.
- Handheld Portables: Suitable for use in portable electronic devices.
- High Density PC Boards: Designed for high-density applications in PC boards.
- MOSFET Gate Protection: Can be used for protecting MOSFET gates.
- Waveform Clipping: Useful in waveform clipping applications.
- General Usage: General-purpose Zener diode for various electronic circuits.
Q & A
- What is the Zener breakdown voltage range of the BZX84C18LT3?
The Zener breakdown voltage range of the BZX84C18LT3 is from 2.4 V to 75 V, with the specific voltage for this model being between 17.64 V and 18.36 V.
- What is the package type of the BZX84C18LT3?
The BZX84C18LT3 is housed in a SOT-23 (TO-236) package.
- What is the maximum power dissipation of the BZX84C18LT3?
The maximum power dissipation of the BZX84C18LT3 is 225 mW on FR-4 or FR-5 boards.
- Is the BZX84C18LT3 ESD protected?
Yes, the BZX84C18LT3 has an ESD rating of Class 3 (>16 kV) per Human Body Model.
- Is the BZX84C18LT3 AEC-Q101 qualified?
Yes, the BZX84C18LT3 is available in AEC-Q101 qualified versions for automotive and other demanding applications).
- What are the typical applications of the BZX84C18LT3?
The BZX84C18LT3 is typically used in cellular phones, handheld portables, high-density PC boards, MOSFET gate protection, and waveform clipping applications).
- What is the operating temperature range of the BZX84C18LT3?
The operating temperature range of the BZX84C18LT3 is -55°C to +150°C).
- What is the storage temperature range of the BZX84C18LT3?
The storage temperature range of the BZX84C18LT3 is -65°C to +150°C).
- Is the BZX84C18LT3 lead-free?
Yes, the BZX84C18LT3 is available in lead-free packages).
- What is the maximum case temperature for soldering the BZX84C18LT3?
The maximum case temperature for soldering the BZX84C18LT3 is 260°C for 10 seconds).
