Overview
The BZX84C3V9W-7 is a surface-mount silicon zener diode produced by Diodes Incorporated. This component is part of the BZX84C series, designed for voltage regulation and stabilization in various electronic circuits. The 'BZX84C3V9W-7' specifically refers to a zener diode with a nominal zener voltage of 3.9 volts. It is packaged in a SOT-323 case, which is a small, surface-mount package suitable for compact and high-density circuit designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Case | SOT-323 | - |
| Case Material | Molded Plastic, 'Green' Molding Compound | - |
| UL Flammability Classification Rating | 94V-0 | - |
| Power Dissipation (Note 3) | 200 | mW |
| Thermal Resistance, Junction to Ambient Air (Note 3) | 625 | K/W |
| Operating and Storage Temperature Range | -65 to +125 | °C |
| Nominal Zener Voltage | 3.9 | V |
| Maximum Zener Impedance @ IZT | 100 | Ω |
| Maximum Reverse Current @ VR | 1.0 | μA |
| Temperature Coefficient of Zener Voltage @ IZT = 5mA | -3.5 | mV/°C |
Key Features
- Compact SOT-323 Package: Suitable for high-density circuit designs and space-constrained applications.
- Green Molding Compound: Environmentally friendly, lead-free, and halogen-free.
- High Stability: Provides stable voltage regulation with a low temperature coefficient.
- Low Reverse Current: Minimizes leakage current, enhancing overall circuit efficiency.
- Broad Operating Temperature Range: Operates reliably from -65°C to +125°C.
Applications
- Voltage Regulation: Used in power supplies, voltage stabilizers, and voltage clamping circuits.
- Signal Processing: Employed in signal conditioning, filtering, and protection circuits.
- Consumer Electronics: Found in various consumer electronic devices requiring stable voltage references.
- Automotive Electronics: Used in automotive systems that require robust and reliable voltage regulation.
- Industrial Control Systems: Utilized in industrial control and automation systems for stable voltage supply.
Q & A
- What is the nominal zener voltage of the BZX84C3V9W-7?
The nominal zener voltage is 3.9 volts. - What is the package type of the BZX84C3V9W-7?
The package type is SOT-323. - What is the maximum power dissipation of the BZX84C3V9W-7?
The maximum power dissipation is 200 mW. - What is the thermal resistance, junction to ambient air, for the BZX84C3V9W-7?
The thermal resistance is 625 K/W. - What is the operating and storage temperature range for the BZX84C3V9W-7?
The operating and storage temperature range is -65°C to +125°C. - Is the BZX84C3V9W-7 lead-free and halogen-free?
Yes, it is manufactured with 'Green' molding compound, which is lead-free and halogen-free. - What is the maximum reverse current at VR for the BZX84C3V9W-7?
The maximum reverse current is 1.0 μA. - What is the temperature coefficient of zener voltage for the BZX84C3V9W-7?
The temperature coefficient of zener voltage is -3.5 mV/°C at IZT = 5mA. - In what types of applications is the BZX84C3V9W-7 commonly used?
It is commonly used in voltage regulation, signal processing, consumer electronics, automotive electronics, and industrial control systems. - Where can I find detailed packaging information for the BZX84C3V9W-7?
Detailed packaging information can be found on the Diodes Incorporated website or through datasheets available on distributor sites like DigiKey or Mouser Electronics.
