Overview
The BZX84C20-HE3-18 is a silicon planar Zener diode manufactured by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84 series, which is known for its high reliability and versatility in various electronic applications. The BZX84C20-HE3-18 is specifically designed to provide voltage regulation and protection in circuits, making it a crucial component in many industrial, automotive, and consumer electronics.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 20 V | V |
| Zener Voltage Tolerance | 5 % | % |
| Test Current (IZT) | 5 mA | mA |
| 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 Type | SOT-23-3 | |
| Moisture Sensitivity Level (MSL) | Level 1 | |
| Flammability Rating | UL 94 V-0 |
Key Features
- Silicon planar Zener diodes with high reliability and stability.
- Zener voltages graded according to the international E24 standard.
- AEC-Q101 qualified, ensuring suitability for automotive applications.
- High ESD capability: human body model > 8 kV, machine model > 800 V.
- RoHS-compliant and commercial grade options available.
- Compact SOT-23-3 package for space-saving designs.
- Low thermal resistance and high power dissipation capability.
Applications
- Voltage regulation and stabilization in power supplies.
- Circuit protection against voltage spikes and surges.
- Automotive systems, including electronic control units (ECUs) and lighting systems.
- Industrial control systems and automation.
- Consumer electronics, such as audio equipment and telecommunication devices.
- Computing and data storage systems requiring stable voltage references.
Q & A
- What is the primary function of the BZX84C20-HE3-18 Zener diode?
The primary function is to provide voltage regulation and protection in electronic circuits.
- What is the Zener voltage of the BZX84C20-HE3-18?
The Zener voltage is 20 V with a tolerance of 5%.
- What is the maximum power dissipation of the BZX84C20-HE3-18?
The maximum power dissipation is 300 mW.
- Is the BZX84C20-HE3-18 AEC-Q101 qualified?
- What is the package type of the BZX84C20-HE3-18?
The package type is SOT-23-3.
- What is the moisture sensitivity level (MSL) of the BZX84C20-HE3-18?
The MSL is Level 1.
- What are the typical applications of the BZX84C20-HE3-18?
Typical applications include voltage regulation, circuit protection, automotive systems, industrial control systems, and consumer electronics.
- What is the operating temperature range of the BZX84C20-HE3-18?
The operating temperature range is -55 to +150 °C.
- Is the BZX84C20-HE3-18 RoHS-compliant?
- What is the flammability rating of the BZX84C20-HE3-18 package?
The flammability rating is UL 94 V-0.
