The BZX55C4V7-TR is a 4.7V, 500mW Zener diode manufactured by Vishay. The "-TR" suffix indicates that it is supplied on tape and reel for automated assembly. Zener diodes are used to provide a stable reference voltage or to protect circuits from overvoltage conditions.

Applications:

• Voltage Regulation: Used to provide a stable 4.7V reference voltage in power supplies and other circuits.
• Overvoltage Protection: Protects sensitive circuits from voltage spikes and surges.
• Clipping Circuits: Used in clipping circuits to limit the voltage swing of a signal.
• Voltage Shifting: Can be used to shift the voltage level of a signal.
• Parameter Testing: Employed in semiconductor parameter testing.

Features:

• Zener Diode: Designed to operate in the reverse breakdown region to provide a stable voltage.
• 4.7V Zener Voltage: Provides a stable 4.7V reference voltage.
• 500mW Power Dissipation: Capable of dissipating up to 500mW of power.
• Low Reverse Leakage Current: Exhibits low reverse leakage current, minimizing power loss.
• DO-35 Package: Comes in a small DO-35 package.
• Tape and Reel Packaging (-TR): Supplied on tape and reel for automated assembly.
• Lead Free / RoHS Compliant: Manufactured using lead-free materials and compliant with RoHS standards.

Benefits:

• Stable Voltage Reference: Provides a stable and reliable 4.7V voltage reference.
• Effective Overvoltage Protection: Protects sensitive circuits from damaging voltage spikes.
• Efficient Operation: Low reverse leakage current minimizes power loss.
• Ease of Assembly: Tape and reel packaging simplifies automated assembly.
• Environmentally Friendly: Lead-free and RoHS compliant.
• Compact Size: Small DO-35 package enables compact circuit designs.

Additional Details:

The BZX55C4V7-TR has a typical Zener impedance specified in the datasheet. The reverse current and forward voltage characteristics are also detailed in the datasheet. The operating temperature range is typically -65°C to +200°C. It is essential to consult the datasheet for specific electrical characteristics, thermal resistance, and recommended operating conditions.