Overview
The BZX84C3V9-7-F is a surface mount Zener diode produced by Diodes Incorporated. It is part of the BZX84C3V9 series and is designed for various voltage regulation and protection applications. This diode is packaged in a SOT-23 (SC-59, TO-236) package, making it suitable for automated assembly processes. The BZX84C3V9-7-F offers a nominal Zener voltage of 3.9V with a tolerance of ±5%, making it a reliable choice for stabilizing voltages in electronic circuits.
Key Specifications
| Attribute | Value |
|---|---|
| Power Dissipation | 350 mW |
| Forward (Drive) Current | 10 mA |
| Forward Voltage | 0.9 V |
| Reverse Current - Max | 3 µA |
| Nominal Zener Voltage | 3.9 V ±5% |
| Package Style | SOT-23 (SC-59, TO-236) |
| Mounting Method | Surface Mount |
| Operating Temperature Range | -65°C to +150°C |
| Thermal Resistance, Junction to Ambient Air | 417 °C/W |
| Zener Impedance (Zzt) | 90 Ω |
Key Features
- Planar die construction
- 350 mW power dissipation
- Zener voltages available from 2.4V to 51V (though the BZX84C3V9-7-F is specifically 3.9V)
- Ideally suited for automated assembly processes
- Thermal resistance, junction to ambient air: 417 °C/W
- Operating and storage temperature range: -65°C to +150°C
- Lead-free and ROHS compliant
- Moisture sensitivity level (MSL): 1 (unlimited)
Applications
The BZX84C3V9-7-F Zener diode is versatile and can be used in a variety of applications, including:
- Voltage regulation and stabilization in electronic circuits
- Overvoltage protection in power supplies and other electronic devices
- Signal clipping and clamping in audio and video circuits
- Current limiting and surge protection
- Automotive and industrial control systems where reliable voltage regulation is critical
Q & A
- What is the nominal Zener voltage of the BZX84C3V9-7-F?
The nominal Zener voltage is 3.9V with a tolerance of ±5%.
- What is the power dissipation of the BZX84C3V9-7-F?
The power dissipation is 350 mW.
- What is the package style of the BZX84C3V9-7-F?
The package style is SOT-23 (SC-59, TO-236).
- Is the BZX84C3V9-7-F lead-free and ROHS compliant?
- What is the operating temperature range of the BZX84C3V9-7-F?
The operating temperature range is -65°C to +150°C.
- What is the thermal resistance, junction to ambient air, of the BZX84C3V9-7-F?
The thermal resistance is 417 °C/W.
- What is the Zener impedance (Zzt) of the BZX84C3V9-7-F?
The Zener impedance is 90 Ω.
- Is the BZX84C3V9-7-F suitable for automated assembly processes?
- What is the moisture sensitivity level (MSL) of the BZX84C3V9-7-F?
The moisture sensitivity level is 1 (unlimited).
- What are some common applications of the BZX84C3V9-7-F?
