1N4740A is a type of Zener Diode that is designed for fixed voltage regulation. It is manufactured by Multicomp, and is RoHS compliant. This component is ideal for applications in which power supply stability is critical. It has a DO-41 package. It has a power dissipation of 500 mW and a standby current of 1 µA. The reverse breakdown voltage is 6.2 V (± 5%), with a temperature coefficient correction of 0.1 µV/K. The operating temperature range is -65°C to +175°C. It has an impedance of 5 ohms at 25°C. The forward voltage is 43 mV, with a maximum surge current of 20 A. This component is suitable for use in automotive, telecom, industrial, and consumer applications.