Overview
The BZX84C20_L99Z is a silicon planar Zener diode produced by onsemi. This component is part of the BZX84 series, which is designed to provide voltage regulation in a compact, surface-mount SOT-23 package. The BZX84C20_L99Z is specifically rated for a Zener voltage of 20 V with a tolerance of 5%. It is suitable for applications requiring precise voltage regulation and minimal space usage.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 20 V (nominal), 19.0 V to 21.0 V (min-max) | V |
| Tolerance | 5% | % |
| Test Current (IZT) | 5 mA | mA |
| Reverse Leakage Current (IR) | 100 μA (maximum at VR = 15 V) | μA |
| Dynamic Resistance (ZZ) | 55 Ω (at IZT = 5 mA) | Ω |
| Power Dissipation (Ptot) | 300 mW (at Tamb = 25 °C) | mW |
| Thermal Resistance (RthJA) | 420 K/W (junction to ambient air) | K/W |
| Junction Temperature (Tj) | -55 to +150 °C | °C |
| Storage Temperature Range (Tstg) | -65 to +150 °C | °C |
Key Features
- Silicon planar Zener diodes with Zener voltages graded according to the international E24 standard.
- Compact SOT-23 surface-mount package, ideal for high-density applications.
- RoHS-compliant, making it suitable for use in environmentally friendly designs.
- AEC-Q101 qualified versions available for automotive applications.
- Low dynamic resistance and high stability over a wide range of operating conditions.
- Suitable for voltage regulation in cellular phones, handheld portables, and high-density PC boards.
Applications
- Voltage regulation in electronic circuits.
- Overvoltage protection in various electronic devices.
- Cellular phones and other handheld portable devices.
- High-density PC boards and other compact electronic assemblies.
- Automotive electronics (AEC-Q101 qualified versions).
Q & A
- What is the Zener voltage of the BZX84C20_L99Z?
The Zener voltage of the BZX84C20_L99Z is 20 V with a tolerance of 5%.
- What is the package type of the BZX84C20_L99Z?
The BZX84C20_L99Z is packaged in a SOT-23 surface-mount package.
- What is the maximum power dissipation of the BZX84C20_L99Z?
The maximum power dissipation is 300 mW at an ambient temperature of 25 °C.
- Is the BZX84C20_L99Z RoHS-compliant?
- What are the typical applications of the BZX84C20_L99Z?
The BZX84C20_L99Z is typically used in voltage regulation, overvoltage protection, cellular phones, handheld portables, and high-density PC boards.
- What is the junction temperature range of the BZX84C20_L99Z?
The junction temperature range is -55 to +150 °C.
- Is the BZX84C20_L99Z AEC-Q101 qualified?
Yes, AEC-Q101 qualified versions of the BZX84 series are available for automotive applications.
- What is the thermal resistance of the BZX84C20_L99Z?
The thermal resistance (RthJA) is 420 K/W (junction to ambient air).
- What is the storage temperature range of the BZX84C20_L99Z?
The storage temperature range is -65 to +150 °C.
- What is the dynamic resistance of the BZX84C20_L99Z?
The dynamic resistance (ZZ) is 55 Ω at IZT = 5 mA.
