Overview
The BZX84C4V3-E3-18 is a silicon planar Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84 series, known for its high reliability and precision in voltage regulation. The BZX84C4V3-E3-18 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 | Value | Unit |
|---|---|---|
| Zener Voltage Range | 4.0 to 4.6 | V |
| Nominal Zener Voltage | 4.3 | 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 |
| Junction Temperature (Tj) | -55 to +150 °C | °C |
| Storage Temperature Range (Tstg) | -65 to +150 °C | °C |
| Package | SOT-23 | |
| Molding Compound | UL 94 V-0 | |
| Moisture Sensitivity Level | MSL level 1 (according J-STD-020) | |
| Soldering Conditions | Peak temperature max. 260 °C | °C |
Key Features
- Silicon planar Zener diodes with Zener voltages graded according to the international E24 standard.
- AEC-Q101 qualified for automotive applications.
- RoHS-compliant and available in commercial and automotive grades.
- High ESD capability: human body model > 8 kV, machine model > 800 V.
- Low dynamic resistance and stable Zener voltage.
- Compact SOT-23 package suitable for automated placement.
- UL 94 V-0 flammability rating and MSL level 1 compliance.
Applications
- Voltage regulation and stabilization in various electronic circuits.
- Transient protection against voltage spikes and surges.
- Automotive, consumer, industrial, and telecommunication applications.
- Protection of sensitive electronics from inductive load switching and lightning.
- Use in ICs, MOSFETs, and signal lines of sensor units.
Q & A
- What is the nominal Zener voltage of the BZX84C4V3-E3-18? The nominal Zener voltage is 4.3V.
- What is the test current (IZT) for this diode? The test current is 5 mA.
- Is the BZX84C4V3-E3-18 AEC-Q101 qualified? Yes, it is AEC-Q101 qualified for automotive applications.
- What is the power dissipation (Ptot) of this diode? The power dissipation is 300 mW.
- What is the junction temperature range for this component? The junction temperature range is -55 to +150 °C.
- What package type is used for the BZX84C4V3-E3-18? It is packaged in a SOT-23 package.
- Is the BZX84C4V3-E3-18 RoHS-compliant? Yes, it is RoHS-compliant.
- What is the moisture sensitivity level of this component? It has an MSL level 1 compliance according to J-STD-020.
- What are the soldering conditions for this diode? The peak temperature should not exceed 260 °C.
- What are some common applications of the BZX84C4V3-E3-18? It is used in voltage regulation, transient protection, and various automotive, consumer, and industrial applications.
