Overview
The BZX84C4V3-HE3-18 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 BZX84C4V3-HE3-18 is specifically designed to provide a stable Zener voltage of 4.3V, making it suitable for a wide range of applications requiring voltage stabilization and transient protection.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Zener Voltage Range | VZ | 4.0 to 4.6 | V |
| Test Current | IZT | 5 mA | mA |
| Reverse Leakage Current | IR | 1 μA | μA |
| Dynamic Resistance | ZZ | 600 Ω | Ω |
| Temperature Coefficient | αVZ | -6 to -1 x 10^-4/°C | 10^-4/°C |
| Power Dissipation | Ptot | 300 mW | mW |
| Thermal Resistance Junction to Ambient Air | RthJA | 420 K/W | K/W |
| Junction Temperature | Tj | 150 °C | °C |
| Storage Temperature Range | Tstg | -65 to +150 °C | °C |
| Operating Temperature Range | Top | -55 to +150 °C | °C |
| Package | SOT-23 | ||
| Moisture Sensitivity Level | MSL level 1 (according J-STD-020) | ||
| Soldering Conditions | Peak temperature max. 260 °C |
Key Features
- High Precision Zener Voltage: The BZX84C4V3-HE3-18 offers a precise Zener voltage of 4.3V with a tolerance of ±5%.
- Low Dynamic Resistance: With a dynamic resistance of 600 Ω, this diode ensures stable voltage regulation.
- High Reliability: AEC-Q101 qualified, making it suitable for automotive and other high-reliability applications.
- Compact Package: Available in the SOT-23 package, which is ideal for space-constrained designs.
- RoHS Compliant: Ensures compliance with environmental regulations.
- Broad Temperature Range: Operates over a wide temperature range from -55 °C to +150 °C.
Applications
- Voltage Regulation: Ideal for voltage stabilization in power supplies, voltage regulators, and other electronic circuits.
- Transient Protection: Used to protect electronic circuits from voltage spikes and transients.
- Automotive Electronics: AEC-Q101 qualification makes it suitable for use in automotive systems.
- Consumer Electronics: Can be used in various consumer electronic devices requiring stable voltage regulation.
- Industrial Control Systems: Suitable for use in industrial control systems where reliable voltage regulation is critical.
Q & A
- What is the Zener voltage of the BZX84C4V3-HE3-18?
The Zener voltage range is from 4.0V to 4.6V, with a nominal value of 4.3V.
- What is the test current for the BZX84C4V3-HE3-18?
The test current (IZT) is 5 mA.
- What is the dynamic resistance of the BZX84C4V3-HE3-18?
The dynamic resistance (ZZ) is 600 Ω.
- What is the temperature coefficient of the BZX84C4V3-HE3-18?
The temperature coefficient (αVZ) is -6 to -1 x 10^-4/°C.
- What is the maximum power dissipation of the BZX84C4V3-HE3-18?
The maximum power dissipation (Ptot) is 300 mW.
- What is the thermal resistance junction to ambient air for the BZX84C4V3-HE3-18?
The thermal resistance junction to ambient air (RthJA) is 420 K/W.
- What is the junction temperature range for the BZX84C4V3-HE3-18?
The junction temperature (Tj) range is up to 150 °C.
- What is the storage temperature range for the BZX84C4V3-HE3-18?
The storage temperature range (Tstg) is -65 to +150 °C.
- What package type is the BZX84C4V3-HE3-18 available in?
The BZX84C4V3-HE3-18 is available in the SOT-23 package.
- Is the BZX84C4V3-HE3-18 RoHS compliant?
Yes, the BZX84C4V3-HE3-18 is RoHS compliant.
- What are some common applications of the BZX84C4V3-HE3-18?
Common applications include voltage regulation, transient protection, automotive electronics, consumer electronics, and industrial control systems.
