Overview
The BZX84C68-G3-18 is a silicon planar Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84-G series, which is known for its high reliability and precision in voltage regulation. The BZX84C68-G3-18 is specifically designed to provide a stable Zener voltage of 68 V with a tolerance of ±5%. It is packaged in the SOT-23-3 (TO-236) surface-mount format, making it suitable for a wide range of applications where space is limited and thermal efficiency is crucial.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (Nominal) | 68 | V |
| Zener Voltage Tolerance | ±5% | |
| Test Current (IZT) | 2; 5 mA | |
| Power Dissipation (Ptot) | 300 mW | |
| Thermal Resistance Junction to Ambient (RthJA) | 420 K/W | |
| Junction Temperature (Tj) | -55 to +150 °C | |
| Storage Temperature Range (Tstg) | -65 to +150 °C | |
| Package | SOT-23-3 (TO-236) | |
| Mounting Type | Surface Mount |
Key Features
- Precision Voltage Regulation: The BZX84C68-G3-18 offers a precise Zener voltage of 68 V with a tolerance of ±5%, making it ideal for applications requiring stable voltage regulation.
- High Thermal Efficiency: With a thermal resistance junction to ambient (RthJA) of 420 K/W, this diode ensures efficient heat dissipation, enhancing reliability in various operating conditions.
- Compact Packaging: The SOT-23-3 (TO-236) surface-mount package is designed to save space and promote better thermal performance, making it suitable for dense circuit designs.
- Wide Operating Temperature Range: The component can operate within a temperature range of -55 to +150 °C, making it versatile for use in diverse environments.
Applications
- Voltage Regulation: The BZX84C68-G3-18 is used in voltage regulator circuits to provide a stable reference voltage.
- Signal Limiting: It can be used to limit signal voltages to prevent damage to sensitive components.
- Circuit Protection: As a Zener diode, it can protect circuits from voltage spikes and overvoltages.
- Automotive and Industrial Systems: Its robust thermal characteristics and wide operating temperature range make it suitable for use in automotive and industrial applications.
Q & A
- What is the nominal Zener voltage of the BZX84C68-G3-18?
The nominal Zener voltage is 68 V.
- What is the tolerance of the Zener voltage for this component?
The Zener voltage tolerance is ±5%.
- What is the maximum power dissipation of the BZX84C68-G3-18?
The maximum power dissipation is 300 mW.
- What is the thermal resistance junction to ambient (RthJA) for this diode?
The thermal resistance junction to ambient (RthJA) is 420 K/W.
- What is the operating temperature range of the BZX84C68-G3-18?
The operating temperature range is -55 to +150 °C.
- What type of package does the BZX84C68-G3-18 use?
The component is packaged in the SOT-23-3 (TO-236) surface-mount format.
- Is the BZX84C68-G3-18 suitable for automotive applications?
Yes, it is suitable due to its robust thermal characteristics and wide operating temperature range.
- What is the storage temperature range for this component?
The storage temperature range is -65 to +150 °C.
- Can the BZX84C68-G3-18 be used for signal limiting?
Yes, it can be used to limit signal voltages to prevent damage to sensitive components.
- Is the BZX84C68-G3-18 RoHS compliant?
Yes, the component is RoHS compliant.
