Overview
The BZX84B4V3-G3-18 is a silicon planar Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84-G series, known for its high reliability and precision in voltage regulation. The BZX84B4V3-G3-18 is specifically designed with a nominal Zener voltage of 4.3V and a power dissipation of 300 mW, making it suitable for a variety of applications requiring stable voltage reference points.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Zener Voltage (Vz) | 4.3 | V |
| Zener Voltage Tolerance | ±2% | |
| 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 | |
| ESD Capability | Human body model > 8 kV, Machine model > 800 V |
Key Features
- Silicon planar Zener diodes with high reliability and precision.
- Zener voltages graded according to the international E24 standard.
- Standard Zener voltage tolerance of ±2% for the B series.
- AEC-Q101 qualified for automotive applications.
- High ESD capability: Human body model > 8 kV, Machine model > 800 V.
- Surface mount package (SOT-23-3) for easy integration into modern designs.
- UL 94 V-0 flammability rating and MSL level 1 according to J-STD-020.
Applications
- Voltage regulation and stabilization in electronic circuits.
- Overvoltage protection in various electronic devices.
- Reference voltage sources in analog circuits.
- Automotive electronics due to AEC-Q101 qualification.
- General-purpose voltage clamping and surge protection.
Q & A
- What is the nominal Zener voltage of the BZX84B4V3-G3-18?
The nominal Zener voltage is 4.3V.
- What is the power dissipation rating of this diode?
The power dissipation rating is 300 mW.
- What is the package type of the BZX84B4V3-G3-18?
The package type is SOT-23-3.
- Is the BZX84B4V3-G3-18 AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified, making it suitable for automotive applications.
- What are the operating and storage temperature ranges for this diode?
The operating temperature range is -55 to +150 °C, and the storage temperature range is -65 to +150 °C.
- What is the ESD capability of the BZX84B4V3-G3-18?
The ESD capability is > 8 kV for the human body model and > 800 V for the machine model.
- What is the thermal resistance junction to ambient (RthJA) for this diode?
The thermal resistance junction to ambient (RthJA) is 420 K/W.
- Is the BZX84B4V3-G3-18 RoHS compliant?
Yes, it is RoHS compliant.
- What are some common applications for the BZX84B4V3-G3-18?
Common applications include voltage regulation, overvoltage protection, reference voltage sources, and automotive electronics.
- What is the flammability rating of the molding compound used in this diode?
The molding compound has a UL 94 V-0 flammability rating.
