Overview
The BZX84C20-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 BZX84C20-HE3-08 is specifically designed for voltage regulation and stabilization in various electronic circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage Range | 19.08 - 20.52 | 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) | -9 to -4 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 |
| Operating Temperature Range (Top) | -55 to +150 °C | °C |
| Package | SOT-23-3 |
Key Features
- RoHS-compliant and AEC-Q101 qualified, ensuring high reliability and compliance with automotive standards.
- Wide range of Zener voltages available, graded according to the E24 standard.
- Low dynamic resistance and stable temperature coefficient.
- Surface mount SOT-23-3 package for easy integration into modern electronic designs.
- High power dissipation capability of up to 300 mW.
Applications
The BZX84C20-HE3-08 Zener diode is suitable for various applications requiring voltage regulation and stabilization, such as:
- Voltage reference circuits.
- Overvoltage protection.
- Signal clipping and clamping.
- Automotive electronics due to its AEC-Q101 qualification.
- General-purpose voltage regulation in industrial and consumer electronics.
Q & A
- What is the Zener voltage range of the BZX84C20-HE3-08?
The Zener voltage range is from 19.08 to 20.52 volts. - What is the test current (IZT) for this diode?
The test current (IZT) is 5 mA. - What is the reverse leakage current (IR at VR) of this diode?
The reverse leakage current (IR at VR) is 1 μA. - What is the dynamic resistance (ZZ at IZT) of this diode?
The dynamic resistance (ZZ at IZT) is 600 Ω. - What is the temperature coefficient (αVZ at IZT) of this diode?
The temperature coefficient (αVZ at IZT) is -9 to -4 x 10^-4/°C. - What is the maximum power dissipation (Ptot) of this diode?
The maximum power dissipation (Ptot) is 300 mW. - What is the thermal resistance (RthJA) of this diode?
The thermal resistance (RthJA) is 420 K/W. - What is the junction temperature (Tj) limit of this diode?
The junction temperature (Tj) limit is 150 °C. - What is the storage temperature range (Tstg) for this diode?
The storage temperature range (Tstg) is -65 to +150 °C. - What package type is used for the BZX84C20-HE3-08?
The package type is SOT-23-3.
