Overview
The BZX84B9V1-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 BZX84B9V1-HE3-18 is specifically designed for automotive and industrial applications, meeting the stringent requirements of AEC-Q101 qualification. It features a nominal Zener voltage of 9.1V with a tight tolerance of ±2%, making it suitable for applications requiring stable voltage reference points.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Zener Voltage (Vz) | 9.1 | V |
| Zener Voltage Tolerance | ±2% | - |
| Test Current (IZT) | 2 mA | - |
| Reverse Leakage Current (IR) at VR | 500 nA @ 6V | - |
| Dynamic Resistance (ZZT) at IZT | 15 Ω | Ω |
| 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) | -55 °C to 150 °C | °C |
| Package | SOT-23-3 | - |
| Mounting Type | Surface Mount | - |
Key Features
- AEC-Q101 Qualified: Meets the automotive industry's stringent quality and reliability standards.
- Precision Voltage Regulation: Nominal Zener voltage of 9.1V with a tight tolerance of ±2% ensures stable voltage reference points.
- High Reliability: Designed for long-term reliability in harsh environments.
- Low Reverse Leakage Current: 500 nA at 6V, minimizing power consumption in standby modes.
- Compact Package: SOT-23-3 package suitable for space-constrained applications.
- Broad Operating Temperature Range: From -55 °C to 150 °C, making it suitable for a wide range of applications.
Applications
- Automotive Systems: Suitable for voltage regulation and reference in automotive electronics due to its AEC-Q101 qualification.
- Industrial Control Systems: Used in industrial control circuits for stable voltage reference and regulation.
- Consumer Electronics: Can be used in various consumer electronic devices requiring precise voltage regulation.
- Power Supplies: Employed in power supply circuits to provide stable output voltages.
Q & A
- What is the nominal Zener voltage of the BZX84B9V1-HE3-18?
The nominal Zener voltage is 9.1V.
- What is the tolerance of the Zener voltage for this component?
The Zener voltage tolerance is ±2%.
- What is the maximum power dissipation of the BZX84B9V1-HE3-18?
The maximum power dissipation is 300 mW.
- What is the junction temperature range for this component?
The junction temperature range is up to 150 °C.
- What package type is used for the BZX84B9V1-HE3-18?
The component is packaged in SOT-23-3.
- Is the BZX84B9V1-HE3-18 AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified.
- What is the reverse leakage current at 6V for this diode?
The reverse leakage current at 6V is 500 nA.
- What is the thermal resistance junction to ambient air for this component?
The thermal resistance junction to ambient air is 420 K/W.
- What is the storage temperature range for the BZX84B9V1-HE3-18?
The storage temperature range is -55 °C to 150 °C.
- What are some common applications for the BZX84B9V1-HE3-18?
Common applications include automotive systems, industrial control systems, consumer electronics, and power supplies.
