The 1SMA4753AG is a surface mount Zener diode manufactured by Shikues. A Zener diode is a special type of diode that allows current to flow in the reverse direction when the voltage reaches a specific value, known as the Zener voltage. It is used to regulate voltage in circuits.

Applications

• Voltage regulation: Maintaining a constant voltage level in electronic circuits.
• Overvoltage protection: Protecting sensitive components from voltage spikes.
• Clipping circuits: Limiting the voltage to a specific level.
• Reference voltage sources: Providing a stable voltage reference for measurement circuits.
• Transient voltage suppression: Protecting circuits from transient voltage surges.

Features

• Surface mount package: Enabling automated assembly and compact design.
• Precise Zener voltage: Providing accurate voltage regulation.
• High surge current capability: Withstanding transient voltage surges.
• Low leakage current: Minimizing power consumption.
• RoHS compliant: Meeting environmental regulations.

Benefits

• Stable voltage: Maintaining a constant voltage level despite variations in input voltage or load current.
• Circuit protection: Preventing damage to sensitive components from overvoltage.
• Simplified design: Eliminating the need for complex voltage regulation circuitry.
• Improved reliability: Providing robust performance in harsh environments.
• Reduced system cost: Cost-effective voltage regulation solution.

Additional Details

The 1SMA4753AG has a Zener voltage of 36V with a tolerance of approximately 5%. It has a power dissipation rating of 1W and is available in a SMA (Surface Mount A) package. The forward voltage drop is typically around 1.2V. The 'G' suffix likely indicates that the device is RoHS compliant and uses lead-free terminations. Detailed specifications, including the Zener impedance and temperature coefficient, can be found in the datasheet.