The 1SMA5937A is a surface-mount Zener diode from EIC discrete Semiconductors, designed for voltage regulation and transient voltage suppression. It is part of the 1SMA59xxA series, which offers a range of Zener voltages to suit various applications.

Applications:

• Voltage regulation in electronic circuits
• Transient voltage suppression (TVS)
• Overvoltage protection
• Clamping circuits
• Protection of sensitive components from voltage spikes

Features:

• Surface-mount package
• Zener voltage of 47V
• Low profile package
• High surge current capability
• Glass passivated junction

Benefits:

• Provides stable voltage regulation
• Protects circuits from voltage transients
• Easy to mount on PCBs
• High reliability
• Reduces the risk of component failure due to overvoltage

Specifications:

The 1SMA5937A has a Zener voltage (Vz) of 47V with a tolerance of ±5%. Its power dissipation is typically 1.5W. The operating and storage temperature range is -65°C to +150°C. The package is a standard SMA (DO-214AC) surface mount package. The forward voltage at If=200mA is 1.2V. The maximum surge current is 30A for 8.3ms.

This diode is commonly used in applications where a stable 47V voltage reference is required or where protection against transient voltages is needed. Its small size and surface-mount design make it suitable for modern, compact electronic devices.