Overview
The BZX84B4V3-HE3-08 is a silicon planar Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84 series, known for its high reliability and robust performance. The BZX84B4V3-HE3-08 is specifically designed with a Zener voltage of 4.3 V and a tolerance of ±2%, making it suitable for various voltage regulation and stabilization applications. It is AEC-Q101 qualified, ensuring its suitability for automotive and other demanding environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage Range | 4.0 to 4.6 | 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) | -6 to -1 × 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 |
| Operating Temperature Range (Top) | -55 to +150 °C | °C |
| Package | SOT-23 | |
| ESD Capability | > 8 kV (human body model), > 800 V (machine model) |
Key Features
- AEC-Q101 qualified, ensuring high reliability for automotive and other demanding applications.
- Zener voltage tolerance of ±2%, providing precise voltage regulation.
- High ESD capability: > 8 kV (human body model) and > 800 V (machine model).
- RoHS-compliant and lead-free, making it environmentally friendly.
- Low dynamic resistance and low reverse leakage current.
- Wide operating temperature range from -55 °C to +150 °C.
- Compact SOT-23 package, suitable for space-constrained designs.
Applications
- Voltage regulation and stabilization in various electronic circuits.
- Automotive systems requiring high reliability and robust performance.
- Industrial control systems and power supplies.
- Consumer electronics where precise voltage control is necessary.
- Protection circuits against voltage spikes and transients.
Q & A
- What is the Zener voltage of the BZX84B4V3-HE3-08? The Zener voltage range is 4.0 to 4.6 V with a nominal value of 4.3 V.
- What is the tolerance of the Zener voltage? The Zener voltage tolerance is ±2%.
- Is the BZX84B4V3-HE3-08 AEC-Q101 qualified? Yes, it is AEC-Q101 qualified, making it suitable for automotive applications.
- What is the maximum power dissipation of the BZX84B4V3-HE3-08? The maximum power dissipation is 300 mW.
- What is the operating temperature range of the BZX84B4V3-HE3-08? The operating temperature range is from -55 °C to +150 °C.
- What package type is used for the BZX84B4V3-HE3-08? It is packaged in a SOT-23 package.
- Is the BZX84B4V3-HE3-08 RoHS-compliant? Yes, it is RoHS-compliant and lead-free.
- What is the ESD capability of the BZX84B4V3-HE3-08? It has an ESD capability of > 8 kV (human body model) and > 800 V (machine model).
- What are the typical applications of the BZX84B4V3-HE3-08? It is used in voltage regulation, automotive systems, industrial control systems, consumer electronics, and protection circuits.
- What is the storage temperature range for the BZX84B4V3-HE3-08? The storage temperature range is from -65 °C to +150 °C.
