Overview
The PDZ3.9BF is a low-power general purpose Zener diode produced by Nexperia USA Inc. It is part of the PDZ-B series and is designed for voltage regulation in a variety of electronic circuits. This diode is packaged in a small SOD323 (SC-76) surface-mounted device (SMD) plastic package, making it suitable for space-constrained applications.
Key Specifications
| Parameter | Value |
|---|---|
| Zener Voltage (Vz) | 4.025 V (nominal), 3.89 V to 4.16 V (range) |
| Tolerance | ±2% |
| Maximum Power Dissipation | 400 mW |
| Maximum Current | 200 mA |
| Forward Voltage (Vf) | 0.9 V |
| Operating Temperature (Tj) | -65°C to 150°C |
| Package | SOD323 (SC-76) |
| Dimensions | 1.7 mm x 1.25 mm x 0.95 mm |
| Impedance (Zzt) | 90 Ohms (maximum) |
Key Features
- Low power consumption, suitable for general purpose voltage regulation.
- Wide operating temperature range from -65°C to 150°C, ensuring reliability in various environments.
- Small SOD323 (SC-76) package, ideal for space-constrained designs.
- High accuracy with ±2% tolerance on the Zener voltage.
- Maximum power dissipation of 400 mW, making it suitable for a range of applications.
- Low forward voltage drop of 0.9 V, minimizing losses in forward-biased conditions.
Applications
The PDZ3.9BF Zener diode is versatile and can be used in various applications, including:
- Voltage regulation and stabilization in electronic circuits.
- Overvoltage protection and surge absorption.
- Signal clipping and limiting.
- Automotive and industrial electronics where reliability and temperature stability are crucial.
- General purpose electronics where a stable voltage reference is required.
Q & A
- What is the Zener voltage of the PDZ3.9BF diode?
The Zener voltage of the PDZ3.9BF diode is nominally 4.025 V, with a range of 3.89 V to 4.16 V. - What is the maximum power dissipation of the PDZ3.9BF diode?
The maximum power dissipation is 400 mW. - What is the operating temperature range of the PDZ3.9BF diode?
The operating temperature range is from -65°C to 150°C. - What is the package type of the PDZ3.9BF diode?
The PDZ3.9BF diode is packaged in a SOD323 (SC-76) surface-mounted device (SMD) plastic package. - What is the forward voltage drop of the PDZ3.9BF diode?
The forward voltage drop is 0.9 V. - What is the impedance (Zzt) of the PDZ3.9BF diode?
The impedance (Zzt) is 90 Ohms (maximum). - What are the dimensions of the PDZ3.9BF diode?
The dimensions are 1.7 mm x 1.25 mm x 0.95 mm. - Is the PDZ3.9BF diode suitable for automotive applications?
Yes, the PDZ3.9BF diode is suitable for automotive applications due to its reliability and temperature stability. - What is the tolerance on the Zener voltage of the PDZ3.9BF diode?
The tolerance on the Zener voltage is ±2%. - Can the PDZ3.9BF diode be used for overvoltage protection?
Yes, the PDZ3.9BF diode can be used for overvoltage protection and surge absorption.
