Overview
The BZX84C68-E3-18 is a silicon planar Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84 series, which is known for its high reliability and precision in voltage regulation. The BZX84C68-E3-18 is specifically designed to provide a stable Zener voltage of 68V, making it suitable for a wide range of applications requiring voltage stabilization and transient protection.
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 (RthJA) | 420 K/W | |
| Junction Temperature (Tj) | 150 °C | |
| Storage Temperature Range (Tstg) | -65 to +150 °C | |
| Operating Temperature Range (Top) | -55 to +150 °C | |
| Package | SOT-23-3 (TO-236) | |
| Mounting Type | Surface Mount | |
| Moisture Sensitivity Level | MSL level 1 (according J-STD-020) | |
| Soldering Conditions | Peak temperature max. 260 °C |
Key Features
- Silicon planar Zener diodes with Zener voltages graded according to the international E24 standard.
- RoHS-compliant, commercial grade (E3 suffix).
- AEC-Q101 qualified versions available (HE3_A suffix), ensuring high reliability for automotive applications.
- High ESD capability: human body model > 8 kV, machine model > 800 V.
- Low dynamic resistance and high pulse current capability.
- UL 94 V-0 flammability rating and MSL level 1 moisture sensitivity.
Applications
- Voltage stabilization and regulation in electronic circuits.
- Transient protection against voltage spikes and surges.
- Automotive systems requiring high reliability and compliance with AEC-Q101 standards.
- Industrial and consumer electronics where stable voltage reference is crucial.
- Power supplies, switching regulators, and DC-DC converters.
Q & A
- What is the nominal Zener voltage of the BZX84C68-E3-18?
The nominal Zener voltage is 68V.
- 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-E3-18?
The maximum power dissipation is 300 mW.
- What is the operating temperature range for this diode?
The operating temperature range is -55 to +150 °C.
- Is the BZX84C68-E3-18 RoHS-compliant?
- What is the package type of the BZX84C68-E3-18?
The package type is SOT-23-3 (TO-236).
- What are the soldering conditions for this component?
The peak temperature during soldering should not exceed 260 °C.
- Is the BZX84C68-E3-18 suitable for automotive applications?
While the E3 suffix indicates commercial grade, AEC-Q101 qualified versions (HE3_A suffix) are available for automotive applications.
- What is the moisture sensitivity level of the BZX84C68-E3-18?
The moisture sensitivity level is MSL level 1 according to J-STD-020.
- What are some common applications of the BZX84C68-E3-18?
Common applications include voltage stabilization, transient protection, and use in power supplies, switching regulators, and DC-DC converters.
