Overview
The BZX84B33-G3-08 is a small signal Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84-G series, which is known for its silicon planar Zener diodes. The BZX84B33-G3-08 is designed to provide voltage regulation and protection in various electronic circuits. It is widely used in applications requiring stable voltage references and transient voltage suppression.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (Nominal) | 33 V | V |
| Tolerance | ±2% | - |
| Test Current (IZT) | 2 mA, 5 mA | mA |
| Reverse Leakage Current (IR) at VR | 100 nA @ 23.1 V | nA |
| Power Dissipation (Ptot) | 300 mW | mW |
| Thermal Resistance Junction to Ambient (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 | - |
| Mounting Type | Surface Mount | - |
Key Features
- Silicon planar Zener diodes with a wide range of Zener voltages (2.4 V to 75 V)
- Low reverse leakage current, typically 100 nA at 23.1 V
- High power dissipation capability of up to 300 mW
- Thermal resistance junction to ambient of 420 K/W
- Operating temperature range from -55 °C to +150 °C
- Surface mount package (SOT-23-3) for easy integration into modern PCB designs
- RoHS compliant and UL 94 V-0 flammability rating
Applications
The BZX84B33-G3-08 is versatile and can be used in a variety of applications, including:
- Voltage regulation and stabilization in power supplies and electronic circuits
- Transient voltage suppression to protect against voltage spikes and surges
- Signal limiting and clamping in communication and audio circuits
- Automotive systems, such as in electronic control units (ECUs) and dashboard displays
- Consumer electronics, telecommunications equipment, and industrial control systems
Q & A
- What is the nominal Zener voltage of the BZX84B33-G3-08?
The nominal Zener voltage is 33 V.
- What is the tolerance of the Zener voltage for this component?
The tolerance is ±2%.
- What is the maximum power dissipation of the BZX84B33-G3-08?
The maximum power dissipation is 300 mW.
- What is the thermal resistance junction to ambient for this diode?
The thermal resistance junction to ambient is 420 K/W.
- What is the operating temperature range of the BZX84B33-G3-08?
The operating temperature range is from -55 °C to +150 °C.
- What type of package does the BZX84B33-G3-08 come in?
The component comes in a SOT-23-3 surface mount package).
- Is the BZX84B33-G3-08 RoHS compliant?
Yes, the component is RoHS compliant).
- What are some common applications for the BZX84B33-G3-08?
Common applications include voltage regulation, transient voltage suppression, signal limiting, and use in automotive and consumer electronics).
- What is the reverse leakage current of the BZX84B33-G3-08?
The reverse leakage current is typically 100 nA at 23.1 V).
- What is the flammability rating of the BZX84B33-G3-08's packaging material?
The packaging material has a UL 94 V-0 flammability rating).
