"ULN2001A至ULN2004A详细说明和特性分析"

The ULN2001A is now considered obsolete and is no longer being supplied. In its place, the ULN2002A, ULN2003A, ULN2004A, ULQ2003A, and ULQ2004A have become the preferred options. These devices are designed for relay driver applications and offer a 500 mA-rated collector current for single output. They feature high-voltage outputs up to 50V and include output clamp diodes for protection. The inputs of these devices are compatible with various types of logic, making them versatile and easy to integrate into different systems. The ULN2002A, ULN2003A, ULN2004A, ULQ2003A, and ULQ2004A are reliable and efficient solutions for driving relays in a wide range of applications. Overall, these devices provide a cost-effective and reliable solution for relay driver applications, offering high performance and compatibility with various types of logic. Customers looking for a suitable replacement for the obsolete ULN2001A can confidently choose from the ULN2002A, ULN2003A, ULN2004A, ULQ2003A, and ULQ2004A for their relay driver needs.