Overview
The BZX84C33 is a single Zener diode produced by Fairchild Semiconductor, now part of ON Semiconductor. This component is designed to provide voltage regulation and is part of the BZX84C series, which offers a range of Zener voltages. The BZX84C33 specifically has a nominal Zener voltage of 33V, making it suitable for various applications requiring stable voltage reference points.
The device is packaged in a SOT-23-3 (TO-236) package, which is a surface-mount type, facilitating easy integration into modern electronic circuits. The BZX84C33 is known for its reliability and robust performance across a wide temperature range.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nominal) | 33 | V |
| Tolerance | ±6% | - |
| Power Dissipation | 350 | mW |
| Impedance (Max) | 80 | Ω |
| Current - Reverse Leakage @ Vr | 50 nA @ 23.1V | - |
| Voltage - Forward (Max) @ If | 900 mV @ 10 mA | - |
| Operating Junction Temperature | -55 to +150 | °C |
| Storage Temperature Range | -55 to +150 | °C |
| Package / Case | SOT-23-3 (TO-236) | - |
| Mounting Type | Surface Mount | - |
Key Features
- Voltage Regulation: Provides a stable voltage reference point with a nominal Zener voltage of 33V.
- Low Impedance: Maximum impedance of 80 Ω, ensuring minimal voltage drop and efficient operation.
- High Power Dissipation: Capable of dissipating up to 350 mW, making it suitable for applications requiring moderate power handling.
- Wide Temperature Range: Operates reliably over a temperature range of -55°C to +150°C, making it versatile for various environmental conditions.
- Surface Mount Package: SOT-23-3 (TO-236) package facilitates easy mounting and integration into modern PCB designs.
Applications
- Voltage Regulation: Used in voltage regulator circuits to provide a stable voltage output.
- Overvoltage Protection: Acts as a protective device to prevent overvoltage conditions in electronic circuits.
- Reference Voltage: Serves as a reference voltage source in various analog and digital circuits.
- Audio and Signal Processing: Used in audio and signal processing circuits to stabilize voltage levels.
- Industrial and Automotive Electronics: Suitable for use in industrial and automotive applications due to its robust performance and wide temperature range.
Q & A
- What is the nominal Zener voltage of the BZX84C33?
The nominal Zener voltage of the BZX84C33 is 33V.
- What is the maximum power dissipation of the BZX84C33?
The maximum power dissipation of the BZX84C33 is 350 mW.
- What is the operating junction temperature range of the BZX84C33?
The operating junction temperature range of the BZX84C33 is -55°C to +150°C.
- What type of package does the BZX84C33 come in?
The BZX84C33 comes in a SOT-23-3 (TO-236) surface mount package.
- What is the maximum forward voltage drop at 10 mA for the BZX84C33?
The maximum forward voltage drop at 10 mA for the BZX84C33 is 900 mV.
- What is the reverse leakage current at 23.1V for the BZX84C33?
The reverse leakage current at 23.1V for the BZX84C33 is 50 nA.
- Can the BZX84C33 be used for overvoltage protection?
Yes, the BZX84C33 can be used for overvoltage protection due to its ability to regulate voltage and absorb excess voltage.
- Is the BZX84C33 suitable for high-temperature applications?
Yes, the BZX84C33 is suitable for high-temperature applications with an operating junction temperature range of -55°C to +150°C.
- What is the typical impedance of the BZX84C33?
The typical impedance of the BZX84C33 is up to 80 Ω.
- Can the BZX84C33 be used in audio circuits?
Yes, the BZX84C33 can be used in audio circuits to stabilize voltage levels and provide a reference voltage.
