The ZMM5247B is a Zener diode manufactured by Rectron Semiconductor. It is designed to provide voltage regulation and transient voltage suppression in various electronic circuits. The ZMM5247B is characterized by its stable Zener voltage and low reverse leakage current, making it suitable for use in voltage references, overvoltage protection, and clamping circuits.

Applications

• Voltage Regulation: Maintaining a stable voltage level in power supplies and other circuits.
• Overvoltage Protection: Protecting sensitive components from voltage surges and transients.
• Clamping Circuits: Limiting the voltage across a circuit to a safe level.
• Voltage References: Providing a stable voltage source for instrumentation and measurement applications.
• Transient Suppression: Protecting circuits from electrostatic discharge (ESD) and other transient events.

Features

• Stable Zener Voltage: Provides a consistent voltage reference over a wide temperature range.
• Low Reverse Leakage Current: Minimizes power dissipation and improves efficiency.
• Small Package Size: Allows for compact and space-saving designs.
• High Surge Current Capability: Withstands transient current surges without damage.
• RoHS Compliant: Compliant with environmental regulations.

Benefits

• Accurate Voltage Regulation: Provides a stable and reliable voltage reference.
• Enhanced System Reliability: Protects sensitive components from voltage surges and transients.
• Simplified Design: Easy to integrate into existing circuits and systems.
• Compact Solution: Small package size allows for high-density circuit designs.
• Environmentally Friendly: RoHS compliance ensures environmental responsibility.

Additional Details

The ZMM5247B is typically available in a SOD-123 or similar surface-mount package. Key electrical specifications include a specific Zener voltage, a low Zener impedance, and a maximum reverse leakage current. It operates over a wide temperature range, typically from -65°C to +150°C. Careful consideration of the power dissipation and thermal derating is necessary for proper application.