Overview
The BZX84B4V7-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 BZX84B4V7-HE3-18 is specifically designed to provide a stable Zener voltage of 4.7V, making it suitable for a variety of applications requiring voltage stabilization and transient protection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage Range | 4.4 - 5.0 | V |
| Test Current (IZT) | 5 mA | mA |
| Reverse Leakage Current (IR) | 2 μA | μA |
| Dynamic Resistance (ZZ) | 500 Ω | Ω |
| Temperature Coefficient (αVZ) | -5 to 2 x 10^-4/°C | 10^-4/°C |
| Power Dissipation (Ptot) | 300 mW | mW |
| Thermal Resistance (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 | |
| Weight | 9.2 mg | mg |
| Flammability Rating | UL 94 V-0 | |
| Moisture Sensitivity Level | MSL level 1 (according J-STD-020) |
Key Features
- Silicon planar Zener diodes with high reliability and precision.
- Zener voltages graded according to the international E24 standard.
- AEC-Q101 qualified for automotive applications.
- RoHS-compliant.
- Low dynamic resistance and stable Zener voltage.
- High temperature stability with a junction temperature up to 150 °C.
- Compact SOT-23 package.
Applications
The BZX84B4V7-HE3-18 is suitable for various applications requiring voltage stabilization and transient protection, including:
- Voltage regulation in power supplies.
- Overvoltage protection in electronic circuits.
- Automotive electronics due to its AEC-Q101 qualification.
- Consumer electronics for reliable voltage stabilization.
- Industrial control systems for robust voltage regulation.
Q & A
- What is the Zener voltage of the BZX84B4V7-HE3-18? The Zener voltage range is 4.4 to 5.0 V.
- What is the test current for the BZX84B4V7-HE3-18? The test current (IZT) is 5 mA.
- Is the BZX84B4V7-HE3-18 RoHS-compliant? Yes, it is RoHS-compliant.
- What is the maximum junction temperature for the BZX84B4V7-HE3-18? The maximum junction temperature is 150 °C.
- What package type does the BZX84B4V7-HE3-18 come in? It comes in a SOT-23 package.
- Is the BZX84B4V7-HE3-18 suitable for automotive applications? Yes, it is AEC-Q101 qualified for automotive applications.
- What is the power dissipation of the BZX84B4V7-HE3-18? The power dissipation (Ptot) is 300 mW.
- What is the thermal resistance of the BZX84B4V7-HE3-18? The thermal resistance (RthJA) is 420 K/W.
- What is the storage temperature range for the BZX84B4V7-HE3-18? The storage temperature range is -65 to +150 °C.
- What is the operating temperature range for the BZX84B4V7-HE3-18? The operating temperature range is -55 to +150 °C.
