Overview
The BZX84C4V7-HE3-18 is a silicon planar Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84C series, known for its high reliability and precision in voltage regulation. The BZX84C4V7-HE3-18 is specifically designed to provide a stable Zener voltage of 4.7V, making it suitable for a wide range of applications requiring voltage stabilization and regulation.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage - Zener (Nom) (Vz) | 4.7V |
| Tolerance | ±6% |
| Power - Max | 350mW |
| Impedance (Max) (Zzt) | 80 Ohm |
| Current - Reverse Leakage @ Vr | 3µA @ 2V |
| Voltage - Forward (Vf) (Max) @ If | 900mV @ 10mA |
| Operating Temperature | -55°C to +150°C |
| Mounting Type | Surface Mount |
| Package / Case | SOT-23-3 (TO-236) |
| No. of Pins | 3 Pins |
| Automotive Qualification Standard | AEC-Q101 Qualified |
| MSL | MSL 1 - Unlimited |
Key Features
- Precision Voltage Regulation: The BZX84C4V7-HE3-18 offers a precise Zener voltage of 4.7V with a tolerance of ±6%, ensuring stable voltage regulation in various applications.
- High Power Dissipation: With a maximum power dissipation of 350mW, this diode can handle moderate power requirements effectively.
- Low Reverse Leakage Current: The diode has a low reverse leakage current of 3µA at 2V, which is beneficial for applications requiring minimal current leakage.
- Wide Operating Temperature Range: The component operates within a temperature range of -55°C to +150°C, making it suitable for diverse environmental conditions.
- AEC-Q101 Qualified: This diode is qualified to the AEC-Q101 standard, ensuring its reliability and performance in automotive applications.
Applications
The BZX84C4V7-HE3-18 is versatile and can be used in various applications, including:
- Voltage Stabilization: It is ideal for stabilizing voltages in power supplies, voltage regulators, and other electronic circuits.
- Overvoltage Protection: The diode can protect circuits from overvoltage conditions by clamping the voltage to a safe level.
- Automotive Systems: Given its AEC-Q101 qualification, it is suitable for use in automotive systems, including infotainment, safety, and control systems.
- Industrial and Consumer Electronics: It can be used in industrial control systems, consumer electronics, and other applications requiring reliable voltage regulation.
Q & A
- What is the nominal Zener voltage of the BZX84C4V7-HE3-18?
The nominal Zener voltage is 4.7V. - What is the tolerance of the Zener voltage?
The tolerance is ±6%. - What is the maximum power dissipation of the BZX84C4V7-HE3-18?
The maximum power dissipation is 350mW. - What is the reverse leakage current at 2V?
The reverse leakage current at 2V is 3µA. - What is the operating temperature range of the diode?
The operating temperature range is -55°C to +150°C. - Is the BZX84C4V7-HE3-18 AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified. - What is the package type of the BZX84C4V7-HE3-18?
The package type is SOT-23-3 (TO-236). - How many pins does the BZX84C4V7-HE3-18 have?
The diode has 3 pins. - What is the moisture sensitivity level (MSL) of the BZX84C4V7-HE3-18?
The MSL is 1 - Unlimited. - What are some common applications of the BZX84C4V7-HE3-18?
Common applications include voltage stabilization, overvoltage protection, automotive systems, industrial control systems, and consumer electronics.
