Overview
The BZX84C39LT3G is a Zener voltage regulator diode produced by onsemi. This component is designed for voltage regulation circuits and is part of the BZX84C series, which offers a broad range of operational voltage and power ratings. Although the BZX84C39LT3G is currently obsolete and no longer manufactured, it remains relevant for understanding and replacing with similar components.
Key Specifications
| Parameter | Symbol | Min | Nom | Max |
|---|---|---|---|---|
| Reverse Zener Voltage @ IZT = 5 mA | VZ | 37.4 V | 39 V | 40.6 V |
| Maximum Zener Impedance @ IZT = 5 mA | ZZT | - | - | 85 Ω |
| Reverse Leakage Current @ VR | IR | - | - | 0.1 μA |
| Forward Current | IF | - | - | 10 mA |
| Forward Voltage @ IF = 10 mA | VF | - | - | 0.9 V |
| Maximum Temperature Coefficient of VZ | ΔVZ | - | - | ±3.5 mV/°C |
| Maximum Capacitance @ VR = 0, f = 1 MHz | C | - | - | 450 pF |
| Power Dissipation | Pd | - | - | 225 mW |
| Operating Temperature Range | Tj | -55°C | - | 150°C |
Key Features
- Wide Operating Voltage Range: The BZX84C39LT3G operates within a zener voltage range of 37.4 V to 40.6 V, making it versatile for various voltage regulation applications.
- Low Power Dissipation: With a power dissipation rating of 225 mW, this diode is suitable for high-density PC boards and handheld devices.
- High Temperature Stability: The component is designed to operate over a wide temperature range from -55°C to 150°C, ensuring stability in diverse environmental conditions.
- Low Reverse Leakage Current: The diode has a low reverse leakage current, which is beneficial for minimizing power loss in voltage regulation circuits.
- Pb-Free SOT-23 Package: The SOT-23 package is lead-free, making it compliant with environmental regulations and suitable for automated board assembly.
Applications
- Voltage Regulation Circuits: The BZX84C39LT3G is primarily used in voltage regulation circuits to stabilize voltage levels.
- Cell Phones and Handheld Portables: Its low power dissipation and high temperature stability make it suitable for use in mobile and handheld electronic devices.
- High-Density PC Boards: The diode’s compact SOT-23 package and low power consumption make it ideal for high-density printed circuit boards.
- Automotive Industry: Onsemi’s discrete semiconductor products, including the BZX84C series, are qualified for automotive industry applications due to their high performance and reliability.
Q & A
- What is the primary function of the BZX84C39LT3G?
The primary function of the BZX84C39LT3G is to act as a Zener voltage regulator in electronic circuits.
- What is the zener voltage range of the BZX84C39LT3G?
The zener voltage range of the BZX84C39LT3G is from 37.4 V to 40.6 V.
- What is the maximum power dissipation of the BZX84C39LT3G?
The maximum power dissipation of the BZX84C39LT3G is 225 mW.
- What is the operating temperature range of the BZX84C39LT3G?
The operating temperature range of the BZX84C39LT3G is from -55°C to 150°C.
- Is the BZX84C39LT3G still in production?
No, the BZX84C39LT3G is obsolete and no longer manufactured.
- What package type does the BZX84C39LT3G use?
The BZX84C39LT3G uses a Pb-Free SOT-23 package.
- What are some common applications of the BZX84C39LT3G?
Common applications include voltage regulation circuits, cell phones, handheld portables, and high-density PC boards.
- Does the BZX84C39LT3G have any environmental certifications?
Yes, it is lead-free, making it compliant with environmental regulations.
- What is the forward voltage of the BZX84C39LT3G at 10 mA?
The forward voltage of the BZX84C39LT3G at 10 mA is 0.9 V.
- What is the maximum reverse leakage current of the BZX84C39LT3G?
The maximum reverse leakage current of the BZX84C39LT3G is 0.1 μA.
