The DL4737A is a Zener diode manufactured by Rectron Semiconductor. Zener diodes are specifically designed to operate in the reverse breakdown region and provide a stable voltage reference. The DL4737A is commonly used for voltage regulation and protection in various electronic circuits.

Applications

• Voltage Regulation
• Overvoltage Protection
• Clipping Circuits
• Voltage Shifting
• Reference Voltage Sources

Features

• Nominal Zener Voltage of 7.5V
• Low Reverse Leakage Current
• High Surge Current Capability
• DO-41 Package
• Excellent Clamping Capability

Benefits

• Provides a stable voltage output even with variations in input voltage or load current.
• Protects sensitive components from damage caused by voltage spikes.
• Simplifies circuit design by providing a reliable voltage reference.
• Compact size and easy to use in a variety of applications.
• Affordable solution for voltage regulation and protection.

Additional Details

The DL4737A Zener diode maintains a relatively constant voltage across its terminals when the reverse voltage exceeds its Zener voltage. This characteristic makes it ideal for regulating voltage in power supplies and other circuits. The DO-41 package is a standard through-hole package that is easy to solder and provides good heat dissipation.

Technical Specifications:

• Zener Voltage (Vz): 7.5V ±5%
• Zener Test Current (Izt): 3.4mA
• Reverse Leakage Current (Ir): 5uA at 5.5V
• Power Dissipation (Pd): 1W
• Operating Temperature Range: -65°C to +175°C