Overview
The BZX84C3V3-HE3-18 is a single Zener diode manufactured by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84 series, which are silicon planar Zener diodes known for their reliability and precision. The BZX84C3V3-HE3-18 is specifically designed to provide a stable voltage reference and is widely used in various electronic circuits for voltage regulation and protection.
Key Specifications
| Parameter | Value |
|---|---|
| Zener Voltage (V_Z) | 3.3 V ± 5% |
| Test Current (I_ZT) | 5 mA |
| Reverse Leakage Current (I_R) | 100 nA (max) at V_R = 1 V |
| Dynamic Resistance (Z_Z) | 80 Ω (typ) at f = 1 kHz |
| Temperature Coefficient | -1.5 %/K (typ) |
| Power Dissipation (P_D) | 410 mW |
| Operating Temperature Range | -55°C to 150°C |
| Package | SOD-123 |
| Terminations | 2 |
Key Features
- Precision Voltage Regulation: The BZX84C3V3-HE3-18 offers a precise Zener voltage of 3.3 V with a tolerance of ± 5%, making it suitable for applications requiring stable voltage references.
- Low Reverse Leakage Current: With a maximum reverse leakage current of 100 nA, this diode minimizes current loss and ensures efficient operation.
- High Power Dissipation: The component can handle up to 410 mW of power dissipation, making it robust for various applications.
- Broad Operating Temperature Range: The diode operates reliably over a wide temperature range from -55°C to 150°C.
- Compact Package: The SOD-123 package is compact and suitable for space-constrained designs.
Applications
The BZX84C3V3-HE3-18 is versatile and can be used in a variety of applications, including:
- Voltage Regulation: Providing stable voltage references in power supplies, voltage regulators, and other electronic circuits.
- Overvoltage Protection: Protecting circuits from voltage spikes and overvoltages.
- Signal Conditioning: Stabilizing and conditioning signals in audio, video, and other signal processing applications.
- Automotive and Industrial Electronics: Used in various automotive and industrial electronic systems where reliable voltage regulation is critical.
Q & A
- What is the Zener voltage of the BZX84C3V3-HE3-18?
The Zener voltage is 3.3 V with a tolerance of ± 5%. - What is the maximum reverse leakage current of this diode?
The maximum reverse leakage current is 100 nA. - What is the power dissipation capacity of the BZX84C3V3-HE3-18?
The power dissipation capacity is 410 mW. - What is the operating temperature range of this diode?
The operating temperature range is from -55°C to 150°C. - What package type is used for the BZX84C3V3-HE3-18?
The package type is SOD-123. - What are the typical applications of the BZX84C3V3-HE3-18?
Typical applications include voltage regulation, overvoltage protection, signal conditioning, and use in automotive and industrial electronics. - How many terminations does the BZX84C3V3-HE3-18 have?
The diode has 2 terminations. - What is the dynamic resistance of the BZX84C3V3-HE3-18 at 1 kHz?
The dynamic resistance is typically 80 Ω at 1 kHz. - Is the BZX84C3V3-HE3-18 suitable for high-temperature environments?
Yes, it is suitable for high-temperature environments up to 150°C. - Where can I find the datasheet for the BZX84C3V3-HE3-18?
You can find the datasheet on the official Vishay website or through authorized distributors like Utmel or Abr Micro.
