Overview
The BZX384B47-E3-18 is a silicon planar Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX384 series, which is known for its high reliability and precision. The BZX384B47-E3-18 is specifically designed to provide a stable voltage reference and is widely used in various electronic circuits for voltage regulation and protection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nom) (Vz) | 47 | V |
| Tolerance | ±2% | |
| Power - Max | 200 | mW |
| Package / Case | SOD-323 (SC-76) | |
| Operating Temperature | -55°C to 150°C | |
| Mounting Type | Surface Mount | |
| Impedance (Max) (Zzt) | 170 | Ohms |
| Current - Reverse Leakage @ Vr | 50 nA @ 32.9 V | |
| Junction Temperature | 150°C | |
| Thermal Resistance Junction to Ambient Air | 650 K/W |
Key Features
- Silicon planar Zener diodes with high stability and reliability.
- Zener voltages graded according to the international E24 standard.
- Standard Zener voltage tolerance of ±2%.
- RoHS-compliant and AEC-Q101 qualified, ensuring automotive-grade reliability.
- Low thermal resistance and high junction temperature rating.
- Surface mount package (SOD-323) for easy integration into modern PCB designs.
Applications
- Voltage regulation and stabilization in electronic circuits.
- Overvoltage protection in various electronic devices.
- Reference voltage sources in analog circuits.
- Automotive and industrial applications requiring high reliability and stability.
- General-purpose voltage clamping and surge protection.
Q & A
- What is the nominal Zener voltage of the BZX384B47-E3-18?
The nominal Zener voltage is 47 V with a tolerance of ±2%.
- What is the maximum power dissipation of the BZX384B47-E3-18?
The maximum power dissipation is 200 mW.
- What is the operating temperature range of the BZX384B47-E3-18?
The operating temperature range is -55°C to 150°C.
- Is the BZX384B47-E3-18 RoHS-compliant?
Yes, the BZX384B47-E3-18 is RoHS-compliant.
- What is the package type of the BZX384B47-E3-18?
The package type is SOD-323 (SC-76).
- What is the thermal resistance junction to ambient air for the BZX384B47-E3-18?
The thermal resistance junction to ambient air is 650 K/W.
- Is the BZX384B47-E3-18 AEC-Q101 qualified?
Yes, the BZX384B47-E3-18 is AEC-Q101 qualified.
- What is the reverse leakage current at the specified voltage?
The reverse leakage current is 50 nA at 32.9 V.
- What are the typical applications of the BZX384B47-E3-18?
Typical applications include voltage regulation, overvoltage protection, reference voltage sources, and general-purpose voltage clamping.
- What is the junction temperature rating of the BZX384B47-E3-18?
The junction temperature rating is 150°C.
