Overview
The BZX84C43LT1 is a Zener voltage regulator diode produced by onsemi. This component is part of the BZX84 series, known for its high reliability and precision in voltage regulation. The BZX84C43LT1 is specifically designed to provide a stable voltage reference in a variety of applications, including high-density PCBs and portable electronic devices.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Unit |
|---|---|---|---|---|---|
| Reverse Zener Voltage | VZ | 40.8 | 43 | 45.2 | V |
| Test Current | IZT | - | 5 | - | mA |
| Maximum Zener Impedance | ZZT | - | - | 200 | Ω |
| Reverse Leakage Current | IR | - | - | 0.05 | μA |
| Maximum Temperature Coefficient of VZ | αVZ | - | - | 10 | mV/°C |
| Maximum Capacitance | C | - | - | 70 | pF |
| Operating Temperature Range | Top | -55 | - | 150 | °C |
| Storage Temperature Range | Tstg | -65 | - | 150 | °C |
| Power Dissipation | - | - | - | 250 | mW |
Key Features
- Zener Breakdown Voltage Range: 2.4 V to 75 V, with the BZX84C43LT1 specifically rated at 43 V.
- Package Design: Surface mount plastic SOT-23 package, optimized for automated board assembly.
- High Density Applications: Suitable for cellular phones, handheld portables, and high-density PC boards.
- ESD Rating: Class 3 (> 16 kV) per Human Body Model.
- Tight Tolerance Series: Available with tight tolerance options for precise voltage regulation.
- AEC-Q101 Qualified: Suitable for automotive and other applications requiring high reliability and specific site and control change requirements.
- RoHS Compliant: Lead-free and compliant with RoHS standards.
Applications
- Cellular Phones and Handheld Portables: Ideal for voltage regulation in compact, high-density designs.
- High-Density PC Boards: Suitable for applications requiring minimal space and high reliability.
- Automotive Electronics: AEC-Q101 qualified, making it suitable for automotive and other high-reliability applications.
- General Voltage Regulation: Can be used in various electronic circuits requiring stable voltage references.
Q & A
- What is the reverse Zener voltage of the BZX84C43LT1?
The reverse Zener voltage of the BZX84C43LT1 is 43 V, with a tolerance range of 40.8 V to 45.2 V.
- What is the maximum power dissipation of the BZX84C43LT1 on an FR-4 or FR-5 board?
The maximum power dissipation is 250 mW.
- What is the operating temperature range of the BZX84C43LT1?
The operating temperature range is -55°C to +150°C.
- Is the BZX84C43LT1 RoHS compliant?
- What is the ESD rating of the BZX84C43LT1?
The ESD rating is Class 3, greater than 16 kV per Human Body Model.
- What package type is the BZX84C43LT1 available in?
The BZX84C43LT1 is available in a surface mount plastic SOT-23 package.
- Is the BZX84C43LT1 AEC-Q101 qualified?
- What is the maximum reverse leakage current of the BZX84C43LT1?
The maximum reverse leakage current is 0.05 μA.
- What is the typical maximum capacitance of the BZX84C43LT1 at VR = 0 and f = 1 MHz?
The typical maximum capacitance is 70 pF.
- What are some common applications of the BZX84C43LT1?
