Overview
The BZX84C20LT3G is a Zener diode produced by onsemi, designed for voltage regulation applications. This component is part of the BZX84 series, which offers a range of Zener diodes with different breakdown voltages. The BZX84C20LT3G is specifically rated for a nominal Zener voltage of 20 volts and is packaged in a SOT23-3 (TO-236AB) surface-mount device (SMD) package. This diode is suitable for various electronic circuits requiring stable voltage regulation, including applications in cell phones, handheld portables, and high-density PC boards.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VZ (Zener Voltage) | @ IZT = 5 mA | 19.0 | 20 | 21.0 | V |
| ZZT (Maximum Zener Impedance) | @ IZT = 5 mA | - | - | 85 | Ω |
| IR (Reverse Leakage Current) | @ VR = 20 V | - | - | 0.05 | μA |
| Ptot (Total Power Dissipation) | Tamb ≤ 25°C | - | - | 250 | mW |
| PZSM (Non-repetitive Peak Reverse Power Dissipation) | tp = 100 μs | - | - | 40 | W |
| Tj (Junction Temperature) | - | - | - | 150 | °C |
| Tamb (Ambient Temperature) | - | -55 | - | 150 | °C |
| VF (Forward Voltage) | @ IF = 10 mA | - | - | 0.9 | V |
Key Features
- Voltage Regulation: The BZX84C20LT3G is designed for voltage regulation circuits, offering a stable Zener voltage of 20 volts with a tolerance of ±6%.
- Power Dissipation: The diode has a total power dissipation of up to 250 mW when mounted on an FR4 PCB.
- Package: It is packaged in a SOT23-3 (TO-236AB) surface-mount device (SMD) package, which is optimized for automated board assembly.
- Temperature Stability: The diode operates over a wide temperature range from -55°C to +150°C, making it suitable for various environmental conditions.
- Low Reverse Leakage Current: The diode has a low reverse leakage current, typically 0.05 μA at 20 V reverse voltage).
Applications
- General Voltage Regulation: The BZX84C20LT3G is used in general voltage regulation functions in electronic circuits).
- Cell Phones and Handheld Devices: It is suitable for use in cell phones, handheld portables, and other high-density PC boards due to its small package size and high performance).
- Automotive Applications: onsemi's discrete semiconductor products, including the BZX84C20LT3G, are qualified for automotive industry applications, ensuring reliability and performance in demanding environments).
Q & A
- What is the nominal Zener voltage of the BZX84C20LT3G?
The nominal Zener voltage of the BZX84C20LT3G is 20 volts with a tolerance of ±6%).
- What is the maximum power dissipation of the BZX84C20LT3G?
The maximum power dissipation is 250 mW when mounted on an FR4 PCB).
- What is the package type of the BZX84C20LT3G?
The BZX84C20LT3G is packaged in a SOT23-3 (TO-236AB) surface-mount device (SMD) package).
- What is the operating temperature range of the BZX84C20LT3G?
The operating temperature range is from -55°C to +150°C).
- What is the typical forward voltage of the BZX84C20LT3G?
The typical forward voltage is 0.9 V at a forward current of 10 mA).
- What is the non-repetitive peak reverse power dissipation of the BZX84C20LT3G?
The non-repetitive peak reverse power dissipation is up to 40 W for a pulse duration of 100 μs).
- Is the BZX84C20LT3G suitable for automotive applications?
Yes, onsemi's discrete semiconductor products, including the BZX84C20LT3G, are qualified for automotive industry applications).
- What are some common applications of the BZX84C20LT3G?
Common applications include general voltage regulation, cell phones, handheld portables, and high-density PC boards).
- How is the BZX84C20LT3G tested for quality?
The diode undergoes rigorous inspection procedures, including label verification, appearance inspection, package inspection, and third-party testing to ensure high quality).
- What is the reverse leakage current of the BZX84C20LT3G?
The reverse leakage current is typically 0.05 μA at 20 V reverse voltage).
