The FM4745W is a Zener diode manufactured by Rectron Semiconductor. It is designed to provide a stable reference voltage and protect circuits from voltage surges. This diode operates by allowing current to flow in the forward direction like a normal diode, but also permits it to flow in the reverse direction when the voltage reaches a specific breakdown voltage, known as the Zener voltage. The FM4745W is commonly used in voltage regulation, overvoltage protection, and clipping circuits. Its robust design ensures reliable performance in various electronic applications.

Applications:

• Voltage Regulation
• Overvoltage Protection
• Clipping Circuits
• Voltage Shifting
• Wave Shaping
• Reference Voltage Generation

Features:

• Zener Voltage: Provides a stable and precise Zener voltage.
• Low Leakage Current: Minimizes current leakage, ensuring efficient operation.
• High Surge Current Capability: Handles high surge currents without damage.
• DO-214AC (SMA) Package: Compact surface-mount package for easy integration.
• RoHS Compliant: Complies with environmental regulations.
• Glass Passivated Junction: Provides enhanced reliability and stability.

Benefits:

• Stable Voltage Reference: Provides a consistent and reliable voltage reference.
• Overvoltage Protection: Protects sensitive components from voltage spikes and surges.
• Compact Design: Saves space on the circuit board.
• High Reliability: Ensures long-term performance and durability.

Technical Specifications:

• Manufacturer: Rectron Semiconductor
• Part Number: FM4745W
• Zener Voltage (Vz): 16V ±5%
• Power Dissipation (Pd): 1W
• Operating Temperature Range: -55°C to +150°C
• Package: DO-214AC (SMA)
• Forward Voltage (Vf): 1.2V at 200mA
• Maximum Reverse Leakage Current (Ir): 5 uA at 11.2 V