The 1SMA4757A is a surface-mount Zener diode manufactured by EIC discrete Semiconductors. This diode is designed to provide voltage regulation and overvoltage protection in a variety of electronic applications.

Applications

• Voltage regulation
• Overvoltage protection
• Transient voltage suppression (TVS)
• Clamping circuits
• Protection of sensitive electronic equipment

Features

• Surface Mount SMA package
• Low profile
• High surge capability
• Fast response time
• RoHS Compliant

Benefits

• Provides a stable voltage reference
• Protects circuits from damaging voltage spikes
• Improves the reliability of electronic systems
• Quickly responds to transient events
• Environmentally friendly due to RoHS compliance

Additional Details

The 1SMA4757A has a Zener voltage of 51V with a tolerance of approximately 5%. The power dissipation is 1W. The maximum surge current is typically around 2A. The operating temperature range is typically -55°C to +150°C. The forward voltage drop is typically around 1.2V. The package is a standard SMA (Surface Mount Assembly) package. Its fast response time and high surge handling capability make it a robust choice for protection circuits. The low profile makes it suitable for compact electronic devices.