Overview
The BZX84B22-HE3-18 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 high reliability and precision in voltage regulation. The BZX84B22-HE3-18 is specifically designed with a Zener voltage of 22V and a tolerance of ±2%, making it suitable for a wide range of applications requiring stable voltage reference.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 22 | V |
| Tolerance | ±2% | |
| Test Current (IZT) | 2 mA | |
| Reverse Leakage Current (IR) | 0.5 μA | |
| Dynamic Resistance (ZZ) | 200 Ω | |
| Temperature Coefficient (αVZ) | 9 to 11 x 10^-4/°C | |
| Power Dissipation | 300 mW | |
| Operating Temperature Range | -55 to +150 °C | |
| Storage Temperature Range | -65 to +150 °C | |
| Package | SOT-23-3 | |
| ESD Capability | Human Body Model: > 8 kV, Machine Model: > 800 V | |
| RoHS Compliance | Yes |
Key Features
- Silicon planar Zener diodes with high reliability and precision.
- Zener voltages graded according to the international E24 standard.
- AEC-Q101 qualified for automotive applications.
- High ESD capability: Human Body Model > 8 kV, Machine Model > 800 V.
- RoHS-compliant and lead-free.
- Low dynamic resistance and stable temperature coefficient.
- Compact SOT-23-3 package.
Applications
- Voltage regulation and stabilization in various electronic circuits.
- Automotive systems requiring high reliability and ESD protection.
- Consumer electronics for power supply and voltage reference applications.
- Industrial control systems and automation.
- Telecommunication equipment for voltage regulation and protection.
Q & A
- What is the Zener voltage of the BZX84B22-HE3-18?
The Zener voltage of the BZX84B22-HE3-18 is 22V with a tolerance of ±2%.
- What is the package type of the BZX84B22-HE3-18?
The package type is SOT-23-3.
- Is the BZX84B22-HE3-18 RoHS-compliant?
Yes, the BZX84B22-HE3-18 is RoHS-compliant and lead-free.
- What is the operating temperature range of the BZX84B22-HE3-18?
The operating temperature range is -55 to +150 °C.
- What is the power dissipation of the BZX84B22-HE3-18?
The power dissipation is 300 mW.
- Is the BZX84B22-HE3-18 AEC-Q101 qualified?
Yes, the BZX84B22-HE3-18 is AEC-Q101 qualified for automotive applications.
- What is the ESD capability of the BZX84B22-HE3-18?
The ESD capability is > 8 kV for the Human Body Model and > 800 V for the Machine Model.
- What are the typical applications of the BZX84B22-HE3-18?
Typical applications include voltage regulation, automotive systems, consumer electronics, industrial control systems, and telecommunication equipment.
- What is the dynamic resistance of the BZX84B22-HE3-18?
The dynamic resistance is approximately 200 Ω.
- What is the storage temperature range of the BZX84B22-HE3-18?
The storage temperature range is -65 to +150 °C.
