The MICROCHIP TECH. part 1N4581A is a high-quality Zener diode that operates at a voltage of 6.4V with a tight tolerance of 5%. This single diode is capable of handling power of up to 500mW, making it ideal for a variety of low-power applications. It comes in a compact 2-Pin DO-35 package, making it easy to integrate into your circuit designs. Trust MICROCHIP TECH. for reliable and high-performance electronic components.