Overview
The BZX84C51 Zener diode, produced by Diodes Incorporated (though often associated with Rectron USA due to distribution and branding), is a surface-mount Zener diode designed for voltage regulation and protection in electronic circuits. This component is part of the BZX84C series, known for its reliability and performance in a wide range of applications. The BZX84C51 is specifically rated for a Zener voltage of 51 volts, making it suitable for various high-voltage regulation needs.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Zener Voltage Range | VZ | 48.0 - 54.0 | V |
| Maximum Zener Impedance | ZZT | 400 Ω | Ω |
| Maximum Reverse Current | IR | 0.1 μA | μA |
| Forward Voltage | VF | 0.9 V | V |
| Power Dissipation | PD | 350 mW | mW |
| Thermal Resistance, Junction to Ambient Air | RθJA | 357 °C/W | °C/W |
| Operating and Storage Temperature Range | TJ, TSTG | -65 to +150 °C | °C |
| Case | - | SOT-23 | - |
| Case Material | - | Molded Plastic | - |
| UL Flammability Classification | - | 94V-0 | - |
| Moisture Sensitivity | - | Level 1 per J-STD-020D | - |
Key Features
- Planar die construction for improved performance and reliability.
- High power dissipation of up to 350 mW.
- Zener voltage regulation from 48.0 to 54.0 volts.
- Ideally suited for automated assembly processes.
- Lead, halogen, and antimony free, RoHS compliant.
- Solderable terminals per MIL-STD-202, Method 208.
- Lead-free plating with a matte tin finish over an alloy 42 leadframe.
Applications
The BZX84C51 Zener diode is versatile and can be used in a variety of applications, including:
- Voltage regulation and stabilization in power supplies and electronic circuits.
- Overvoltage protection in sensitive electronic devices.
- Clamping circuits to limit voltage spikes.
- Reference voltage sources in analog circuits.
Q & A
- What is the Zener voltage range of the BZX84C51?
The Zener voltage range of the BZX84C51 is from 48.0 to 54.0 volts. - What is the maximum power dissipation of the BZX84C51?
The maximum power dissipation is 350 mW. - What is the thermal resistance of the BZX84C51?
The thermal resistance, junction to ambient air, is 357 °C/W. - Is the BZX84C51 RoHS compliant?
Yes, the BZX84C51 is lead, halogen, and antimony free, making it RoHS compliant. - What is the case type of the BZX84C51?
The case type is SOT-23. - What is the operating temperature range of the BZX84C51?
The operating and storage temperature range is -65 to +150 °C. - Is the BZX84C51 suitable for automated assembly?
Yes, it is ideally suited for automated assembly processes. - What is the forward voltage of the BZX84C51?
The forward voltage is 0.9 V at IF = 10 mA. - What is the maximum reverse current of the BZX84C51?
The maximum reverse current is 0.1 μA. - What are the typical applications of the BZX84C51?
Typical applications include voltage regulation, overvoltage protection, clamping circuits, and reference voltage sources.
