The FM4736W is a Zener diode manufactured by Rectron Semiconductor. It's designed to provide voltage regulation in a variety of electronic circuits. Zener diodes are characterized by their ability to maintain a stable voltage across their terminals when operated in the reverse breakdown region. This characteristic makes them ideal for voltage regulation, voltage clipping, and surge protection.

Applications

• Voltage Regulation: Maintaining a stable output voltage in power supplies.
• Voltage Clipping: Limiting voltage levels to protect sensitive circuits.
• Surge Protection: Protecting circuits from transient voltage spikes.
• Reference Voltage: Providing a stable reference voltage for measurement circuits.
• Overvoltage Protection: Preventing damage to circuits from excessive voltage.

Features

• Zener Voltage: 6.8V (Nominal)
• Power Dissipation: 1W
• Tolerance: ±5%
• Package: DO-41
• Operating Temperature Range: -55°C to +175°C
• Forward Voltage: 1.2V (Maximum @ IF = 200mA)

Benefits

• Precise Voltage Regulation: Maintains a stable voltage output, ensuring consistent circuit performance.
• Effective Surge Protection: Protects circuits from damaging voltage spikes, improving reliability.
• Compact Size: The DO-41 package allows for easy integration into a variety of circuit designs.
• High Reliability: Rectron Semiconductor is known for producing high-quality, reliable diodes.
• Wide Operating Temperature Range: Suitable for use in a variety of environments.

Additional Details

The FM4736W's 6.8V Zener voltage is a common value used in many electronic applications. The ±5% tolerance ensures that the actual Zener voltage will be within a tight range, providing accurate voltage regulation. The 1W power dissipation rating indicates the maximum power the diode can safely dissipate without damage. The DO-41 package is a standard through-hole package, making it easy to solder and mount on PCBs. The wide operating temperature range makes the FM4736W suitable for use in both indoor and outdoor environments.

When used in a voltage regulation circuit, a resistor is typically placed in series with the Zener diode to limit the current flowing through it. The Zener diode then maintains a constant voltage across its terminals, providing a regulated output voltage. In surge protection applications, the Zener diode is placed in parallel with the circuit being protected. When a voltage surge occurs, the Zener diode conducts, clamping the voltage to its Zener voltage and preventing damage to the circuit. The forward voltage characteristic is important to consider when designing circuits where the diode may be forward biased. The FM4736W offers a reliable and cost-effective solution for a wide range of voltage regulation and protection applications.