This datasheet provides detailed information on the ULN2001A, ULN2002A, ULN2003A and ULN2004A, including product specifications, features and applications.
The ULN2001A, ULN2002A, ULN2003A, and ULN2004A are high‑voltage, high‑current Darlington transistor arrays. Each device contains seven NPN Darlington pairs with common‑cathode clamp diodes, rated for 500 mA collector current per pair and up to 50 V output voltage.
The document provides detailed electrical characteristics, maximum ratings, typical performance curves, thermal information, and application circuits for relay, lamp, and logic driver uses. It also includes a legal notice and warranty statement from Texas Instruments.
| Rated collector current per Darlington pair | 500 mA |
|---|
Each Darlington pair is rated for 500 mA collector current.
The ULN2001A can switch outputs up to 50 V.
Yes, each input has a zener diode and resistor to limit input current.