Overview
The BZX84C68-HE3-18 is a Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of Vishay's extensive portfolio of semiconductor products, which includes a wide range of diodes, rectifiers, and other semiconductor devices. The BZX84C68-HE3-18 is designed to provide voltage regulation and protection in various electronic circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage - Zener (Nom) (Vz) | 6.8 V |
| Tolerance | ±5% |
| Configuration | Single |
| Impedance (Zzt) | 240 Ω |
| Maximum Operating Temperature | +150 °C |
| Minimum Operating Temperature | -55 °C |
| Max Power Dissipation | 300 mW |
| Package / Case | SOT-23-3 (TO-236) |
| Mounting Type | Surface Mount |
| Current - Reverse Leakage @ Vr | Not specified for this model, but typically in the range of a few microamperes |
Key Features
- Voltage Regulation: The BZX84C68-HE3-18 provides stable voltage regulation with a nominal Zener voltage of 6.8 V.
- Low Impedance: The diode has a relatively low impedance of 240 Ω, which is beneficial for many applications requiring stable voltage regulation.
- High Temperature Range: It operates over a wide temperature range from -55 °C to +150 °C, making it suitable for various environmental conditions.
- Surface Mount Package: The SOT-23-3 package is convenient for surface mount assembly, reducing the footprint and enhancing the reliability of the circuit.
Applications
The BZX84C68-HE3-18 Zener diode is versatile and can be used in a variety of applications, including:
- Voltage Regulation: In power supplies and voltage regulators to maintain a stable output voltage.
- Overvoltage Protection: To protect electronic circuits from voltage spikes and surges.
- Signal Clamping: To limit the voltage level in signal processing circuits.
- Automotive and Industrial Electronics: Due to its wide operating temperature range, it is suitable for use in automotive and industrial environments.
Q & A
- What is the nominal Zener voltage of the BZX84C68-HE3-18?
The nominal Zener voltage is 6.8 V. - What is the tolerance of the Zener voltage?
The tolerance is ±5%. - What is the maximum operating temperature of the BZX84C68-HE3-18?
The maximum operating temperature is +150 °C. - What is the minimum operating temperature of the BZX84C68-HE3-18?
The minimum operating temperature is -55 °C. - What is the maximum power dissipation of the BZX84C68-HE3-18?
The maximum power dissipation is 300 mW. - What type of package does the BZX84C68-HE3-18 use?
The package is SOT-23-3 (TO-236). - Is the BZX84C68-HE3-18 suitable for surface mount assembly?
Yes, it is designed for surface mount assembly. - What is the impedance of the BZX84C68-HE3-18?
The impedance is 240 Ω. - In what types of applications is the BZX84C68-HE3-18 commonly used?
It is commonly used in voltage regulation, overvoltage protection, signal clamping, and in automotive and industrial electronics. - Who is the manufacturer of the BZX84C68-HE3-18?
The manufacturer is Vishay General Semiconductor - Diodes Division.
