Overview
The BZX84B4V7-HE3-08 is a small signal Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84 series, known for its high reliability and precision in voltage regulation. The BZX84B4V7-HE3-08 is specifically designed to meet the stringent requirements of automotive and industrial applications, being AEC-Q101 qualified and RoHS-compliant.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nom) | 4.7 | V |
| Tolerance | ±2% | |
| Power - Max | 300 | mW |
| Impedance (Max) (Zzt) | 80 | Ohms |
| Test Current (IZT) | 5 | mA |
| Reverse Leakage Current (IR) | 0.5 | μA |
| Junction Temperature (Tj) | 150 | °C |
| Thermal Resistance Junction to Ambient Air (RthJA) | 420 | K/W |
| Package | SOT-23 |
Key Features
- Silicon planar Zener diodes with high precision and reliability.
- Zener voltages graded according to the international E24 standard.
- AEC-Q101 qualified, making it suitable for automotive applications.
- RoHS-compliant, ensuring environmental compliance.
- Low dynamic resistance and high impedance.
- Compact SOT-23 package for space-efficient designs.
Applications
- Voltage regulation and stabilization in automotive and industrial systems.
- Protection circuits against voltage spikes and transients.
- Signal clipping and clamping in electronic circuits.
- Current limiting and surge protection in various electronic devices.
Q & A
- What is the nominal Zener voltage of the BZX84B4V7-HE3-08?
The nominal Zener voltage is 4.7 V. - What is the maximum power dissipation of this diode?
The maximum power dissipation is 300 mW. - Is the BZX84B4V7-HE3-08 RoHS-compliant?
Yes, it is RoHS-compliant. - What is the package type of this diode?
The package type is SOT-23. - What are the typical applications of the BZX84B4V7-HE3-08?
Typical applications include voltage regulation, protection circuits, signal clipping, and current limiting in automotive and industrial systems. - What is the junction temperature rating of this diode?
The junction temperature rating is 150 °C. - Is the BZX84B4V7-HE3-08 suitable for automotive applications?
Yes, it is AEC-Q101 qualified, making it suitable for automotive applications. - What is the thermal resistance junction to ambient air (RthJA) of this diode?
The thermal resistance junction to ambient air (RthJA) is 420 K/W. - What is the tolerance of the Zener voltage?
The tolerance of the Zener voltage is ±2%. - What is the maximum impedance (Zzt) of this diode?
The maximum impedance (Zzt) is 80 Ohms.
