The 1SMA4748A is a Zener diode manufactured by EIC discrete Semiconductors. It is designed to provide voltage regulation in a variety of electronic circuits. Zener diodes are specifically designed to operate in the reverse breakdown region, providing a stable voltage reference or clamping voltage.

Applications

• Voltage regulation in power supplies.
• Overvoltage protection in sensitive circuits.
• Voltage clamping for transient suppression.
• Reference voltage generation in analog circuits.
• Signal clipping for waveform shaping.

Features

• SMA (Surface Mountable) package for compact designs.
• Precise Zener voltage tolerance.
• High surge current capability.
• Low reverse leakage current.
• Glass passivated junction for reliability.

Benefits

• Provides stable voltage regulation.
• Protects circuits from overvoltage conditions.
• Offers a compact solution for voltage regulation and protection.
• Ensures reliable performance in various operating conditions.
• Simplifies circuit design with its well-defined characteristics.

Additional Details

The 1SMA4748A has a Zener voltage of 22V with a tolerance of approximately ±5%. Its power dissipation rating is typically 1W. It's designed to handle surge currents, making it suitable for protecting circuits from voltage spikes. The operating temperature range is generally from -65°C to +150°C. The SMA package allows for efficient heat dissipation. EIC discrete Semiconductors is known for producing reliable diodes, making the 1SMA4748A a suitable choice for voltage regulation and protection applications. The specific clamping voltage protects components from damage due to voltage transients.