The 1SMA4752 R3G is a surface-mount Zener diode manufactured by Taiwan Semiconductor. This diode is designed to provide voltage regulation and transient voltage suppression in a variety of electronic circuits.

Applications

• Voltage regulation in electronic devices
• Transient voltage suppression in sensitive circuits
• Overvoltage protection
• Clamping voltage for surge protection
• Suitable for use in portable equipment due to its small size

Features

• Surface Mount Device
• Glass passivated junction
• Excellent clamping capability
• Typical IR less than 1.0 μA above 10V
• Low profile package
• Built-in strain relief
• Low incremental surge resistance
• Excellent high-temperature stability
• Meets MSL level 1, per J-STD-020, LF maximum peak of 260°C
• Matte tin lead-free plated
• Halogen free and RoHS compliant

Benefits

• Provides stable voltage regulation
• Protects sensitive components from voltage transients
• Easy to install due to its surface mount design
• Reliable performance in high-temperature environments
• Environmentally friendly due to its lead-free and halogen-free construction
• Long lifespan due to robust design
• Minimizes space requirements on PCBs

Specifications

The 1SMA4752 R3G has a Zener voltage (Vz) of 33V with a tolerance of approximately ±5%. The power dissipation is typically 1W. It features a maximum surge current (IFSM) rating. It is housed in an SMA package. The forward voltage (VF) is approximately 1.2V at a forward current of 200mA.

This Zener diode is commonly used in applications where a stable and reliable voltage reference is required. Its small size and robust construction make it suitable for a wide range of electronic devices.