Overview
The BZX84C3V9-G3-08 is a silicon planar Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84-G series, which is known for its high reliability and precision in voltage regulation. The BZX84C3V9-G3-08 is specifically designed to provide a stable Zener voltage of 3.9 V, making it suitable for a variety of applications requiring voltage stabilization and protection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 3.9 | V |
| Zener Voltage Tolerance | ±5% | |
| Test Current (IZT) | 2; 5 mA | |
| Reverse Leakage Current (IR) | 0.5 μA | |
| Dynamic Resistance (ZZ) | 43.4 Ω | |
| Temperature Coefficient (αVZ) | 10^-4/°C | |
| Power Dissipation (Ptot) | 300 mW (on fiberglass substrate) | |
| Thermal Resistance (RthJA) | 420 K/W | |
| Junction Temperature (Tj) | 150 °C | |
| Operating Temperature Range (Top) | -55 to +150 °C | |
| Storage Temperature Range (Tstg) | -65 to +150 °C | |
| Package | SOT-23 | |
| Moisture Sensitivity Level | MSL level 1 (according J-STD-020) |
Key Features
- Silicon planar Zener diodes with high stability and reliability.
- Zener voltages graded according to the international E24 standard.
- Low dynamic resistance and temperature coefficient.
- High power dissipation capability (300 mW on fiberglass substrate).
- Wide operating temperature range (-55 to +150 °C).
- Compact SOT-23 package.
- UL 94 V-0 flammability rating and MSL level 1.
Applications
The BZX84C3V9-G3-08 is suitable for various applications requiring voltage stabilization and protection, such as:
- Voltage regulation in power supplies and electronic circuits.
- Overvoltage protection in sensitive electronic devices.
- Signal clipping and clamping in audio and video circuits.
- Automotive, industrial, and consumer electronics where stable voltage references are needed.
Q & A
- What is the Zener voltage of the BZX84C3V9-G3-08? The Zener voltage is 3.9 V.
- What is the tolerance of the Zener voltage? The tolerance is ±5%.
- What is the maximum power dissipation of the BZX84C3V9-G3-08? The maximum power dissipation is 300 mW on a fiberglass substrate.
- What is the operating temperature range of the BZX84C3V9-G3-08? The operating temperature range is -55 to +150 °C.
- What package type is used for the BZX84C3V9-G3-08? The package type is SOT-23.
- Is the BZX84C3V9-G3-08 suitable for automotive applications? Yes, it is suitable for automotive applications due to its high reliability and wide operating temperature range.
- What is the moisture sensitivity level of the BZX84C3V9-G3-08? The moisture sensitivity level is MSL level 1 according to J-STD-020.
- What is the thermal resistance junction to ambient (RthJA) of the BZX84C3V9-G3-08? The thermal resistance junction to ambient is 420 K/W.
- Can the BZX84C3V9-G3-08 be used for overvoltage protection? Yes, it can be used for overvoltage protection due to its stable Zener voltage and low dynamic resistance.
- What is the storage temperature range for the BZX84C3V9-G3-08? The storage temperature range is -65 to +150 °C.
