Overview
The BZX84C3V9-HE3-08 is a silicon planar Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84 series, which is known for its wide range of Zener voltages graded according to the international E24 standard. The BZX84C3V9-HE3-08 is specifically designed for applications requiring a Zener voltage of 3.9 volts. It is RoHS-compliant and AEC-Q101 qualified, making it suitable for both commercial and automotive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage Range | 3.7 to 4.1 | V |
| Test Current (IZT) | 5 mA | mA |
| Reverse Leakage Current (IR at VR) | 1 μA | μA |
| Dynamic Resistance (ZZ at IZT) | 600 Ω | Ω |
| Temperature Coefficient (αVZ at IZT) | -7 x 10^-4/°C | 10^-4/°C |
| Power Dissipation (Ptot) | 300 mW | mW |
| Thermal Resistance (RthJA) | 420 K/W | K/W |
| Junction Temperature (Tj) | 150 °C | °C |
| Storage Temperature Range (Tstg) | -65 to 150 °C | °C |
| Package | SOT-23 | |
| Moisture Sensitivity Level | MSL level 1 (according J-STD-020) |
Key Features
- Zener Voltage Stability: The BZX84C3V9-HE3-08 offers a stable Zener voltage of 3.9 volts with a tolerance of ±5%.
- Low Dynamic Resistance: It features a low dynamic resistance, making it suitable for applications requiring minimal voltage variation.
- High Temperature Coefficient: The component has a temperature coefficient of -7 x 10^-4/°C, ensuring stable performance over a range of temperatures.
- RoHS and AEC-Q101 Compliance: It is RoHS-compliant and AEC-Q101 qualified, making it suitable for both commercial and automotive applications.
- Compact Package: The SOT-23 package is compact and suitable for space-constrained designs.
Applications
- Voltage Regulation: The BZX84C3V9-HE3-08 is commonly used in voltage regulation circuits to provide a stable reference voltage.
- Overvoltage Protection: It can be used to protect electronic circuits from overvoltage conditions by clamping the voltage to a safe level.
- Signal Conditioning: The diode can be used in signal conditioning circuits to stabilize and regulate signal levels.
- Automotive Electronics: Given its AEC-Q101 qualification, it is suitable for use in automotive electronic systems.
- Industrial and Consumer Electronics: It can be used in various industrial and consumer electronic devices requiring stable voltage references.
Q & A
- What is the Zener voltage of the BZX84C3V9-HE3-08?
The Zener voltage of the BZX84C3V9-HE3-08 is 3.9 volts with a tolerance of ±5%.
- What is the test current for the BZX84C3V9-HE3-08?
The test current (IZT) for the BZX84C3V9-HE3-08 is 5 mA.
- What is the power dissipation of the BZX84C3V9-HE3-08?
The power dissipation (Ptot) of the BZX84C3V9-HE3-08 is 300 mW.
- Is the BZX84C3V9-HE3-08 RoHS-compliant?
- What is the package type of the BZX84C3V9-HE3-08?
The package type of the BZX84C3V9-HE3-08 is SOT-23.
- What is the junction temperature range for the BZX84C3V9-HE3-08?
The junction temperature (Tj) range for the BZX84C3V9-HE3-08 is up to 150 °C.
- What are the typical applications of the BZX84C3V9-HE3-08?
The BZX84C3V9-HE3-08 is typically used in voltage regulation, overvoltage protection, signal conditioning, and in automotive and industrial electronics.
- Is the BZX84C3V9-HE3-08 suitable for automotive applications?
- What is the moisture sensitivity level of the BZX84C3V9-HE3-08?
The moisture sensitivity level of the BZX84C3V9-HE3-08 is MSL level 1 (according J-STD-020).
- What is the thermal resistance of the BZX84C3V9-HE3-08?
The thermal resistance (RthJA) of the BZX84C3V9-HE3-08 is 420 K/W.
