The UMZ4.7KTL is a Zener diode manufactured by Rohm Semiconductor. It is designed to provide stable voltage regulation and protection in electronic circuits. Zener diodes are commonly used to maintain a constant voltage level, even when the input voltage or load current varies. They are essential components in voltage regulators, overvoltage protection circuits, and other applications where voltage stabilization is critical.

Applications

• Voltage Regulation: Used in voltage regulator circuits to maintain a stable output voltage.
• Overvoltage Protection: Protects sensitive electronic components from voltage spikes and transients.
• Clipping Circuits: Limits the voltage to a specific level in signal processing circuits.
• Voltage Shifting: Shifts the voltage level of a signal.
• Electronic Instruments: Multimeters, oscilloscopes, and power supplies.
• Power Supplies: Linear power supplies and switching power supplies.
• Automotive Electronics: Voltage regulation in automotive systems.

Features

• Zener Voltage: 4.7V Zener voltage.
• Low Reverse Leakage Current: Minimizes power loss and improves efficiency.
• High Surge Current Capability: Withstands high transient currents.
• Small Package Size: Available in a compact package for space-constrained applications.
• RoHS Compliant: Compliant with Restriction of Hazardous Substances (RoHS) directive.
• Surface Mount Device (SMD): Suitable for automated assembly processes.

Benefits

• Stable Voltage Regulation: Maintains a constant voltage level under varying conditions.
• Effective Overvoltage Protection: Protects circuits from damage due to voltage surges.
• Improved Circuit Reliability: Provides stable and consistent performance.
• Compact Design: Small package size enables use in miniaturized devices.
• Environmental Compliance: RoHS compliant, reducing environmental impact.

Additional Details

The UMZ4.7KTL has a Zener voltage tolerance (check the datasheet for specific tolerances). Its operating temperature range is typically -65°C to +150°C. The diode is available in tape and reel packaging for automated assembly. The terminations are designed for excellent solderability. It meets industry standards for reliability and performance in voltage regulation applications. This Zener diode is a reliable choice for ensuring stable voltage levels and protecting electronic circuits from overvoltage conditions.