Overview
The BZX84C4V3LT1 is a Zener voltage regulator diode produced by onsemi. This component is part of the BZX84CxxxLT1 series, designed to provide voltage regulation in a compact, surface-mount SOT-23 package. Although the BZX84C4V3LT1 is currently obsolete and no longer manufactured, it remains relevant for understanding the capabilities and specifications of similar Zener diodes in the series.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Notes |
|---|---|---|---|---|---|
| Reverse Zener Voltage @ IZT = 5 mA | VZ1 | 4.0 V | 4.3 V | 4.6 V | @ IZT = 5 mA |
| Maximum Zener Impedance @ IZT = 5 mA | ZZT1 | - | - | 100 Ω | @ IZT = 5 mA |
| Reverse Leakage Current @ VR | IR | - | - | 0.05 μA | @ VR = 0 V, f = 1 MHz |
| Forward Current @ IF = 10 mA | IF | - | - | 10 mA | - |
| Forward Voltage @ IF = 10 mA | VF | - | - | 0.90 V | - |
| Maximum Temperature Coefficient of VZ | ΔVZ | - | - | ±3.5 mV/°C | - |
| Maximum Capacitance @ VR = 0, f = 1 MHz | C | - | - | 450 pF | - |
| Power Dissipation | - | - | - | 250 mW | On FR-4 or FR-5 board |
Key Features
- Compact Package: The BZX84C4V3LT1 is housed in a surface-mount SOT-23 package, ideal for high-density applications.
- Voltage Regulation: Offers a Zener breakdown voltage range from 2.4 V to 75 V, providing flexible voltage regulation options.
- Automated Board Assembly: The package is designed for optimal automated board assembly, enhancing manufacturing efficiency.
- ESD Rating: Class 3 ESD rating (> 16 kV) per Human Body Model, ensuring robust protection against electrostatic discharge.
- Tight Tolerance Series: Available in tight tolerance series for applications requiring precise voltage regulation.
- AEC-Q101 Qualified and PPAP Capable: Suitable for automotive and other applications requiring unique site and control change requirements.
- Pb-Free and RoHS Compliant: Environmentally friendly and compliant with regulatory standards.
Applications
- Cellular Phones and Handheld Portables: Ideal for voltage regulation in compact, high-density designs.
- High-Density PC Boards: Suitable for applications where space is limited and voltage regulation is critical.
- Automotive Electronics: AEC-Q101 qualified, making it suitable for automotive and other demanding applications.
- General Voltage Regulation: Can be used in various electronic circuits requiring stable voltage regulation.
Q & A
- What is the BZX84C4V3LT1 used for?
The BZX84C4V3LT1 is used for voltage regulation in electronic circuits, particularly in high-density applications such as cellular phones, handheld portables, and high-density PC boards.
- What is the Zener breakdown voltage of the BZX84C4V3LT1?
The Zener breakdown voltage of the BZX84C4V3LT1 is nominally 4.3 V, with a range from 4.0 V to 4.6 V at IZT = 5 mA.
- What is the maximum power dissipation of the BZX84C4V3LT1?
The maximum power dissipation is 250 mW on FR-4 or FR-5 boards.
- Is the BZX84C4V3LT1 ESD protected?
Yes, it has a Class 3 ESD rating (> 16 kV) per Human Body Model.
- Is the BZX84C4V3LT1 RoHS compliant?
Yes, the BZX84C4V3LT1 is Pb-free and RoHS compliant.
- What package type does the BZX84C4V3LT1 use?
The BZX84C4V3LT1 is housed in a surface-mount SOT-23 package.
- What are the typical applications for the BZX84C4V3LT1?
Typical applications include cellular phones, handheld portables, high-density PC boards, and automotive electronics.
- Is the BZX84C4V3LT1 AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other demanding applications.
- What is the forward voltage of the BZX84C4V3LT1 at IF = 10 mA?
The forward voltage is a maximum of 0.90 V at IF = 10 mA.
- What is the maximum reverse leakage current of the BZX84C4V3LT1?
The maximum reverse leakage current is 0.05 μA at VR = 0 V, f = 1 MHz.
