ULN2004AG 7-Channel Darlington Transistor Array DIP-16
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Prices updated: 13 Oct 2026
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About this product
The ULN2004AG is a 7-channel Darlington transistor array IC in a 16-pin DIP package. Each channel has an open-collector NPN Darlington output with a built-in clamp diode, making it suitable for driving relays, stepper motors, LED lamps and other inductive or higher-current loads from microcontroller outputs.
Specifications
- Channels
- 7
- Output voltage
- 50 V
- Current per channel
- 500 mA
- Input voltage
- 15 V
- Package
- DIP-16
- Clamp diodes
- Built-in common cathode clamp diodes
Frequently asked questions
Can I drive a relay or a small motor directly from it?
Yes, within the 500 mA per channel limit. Connect the load between the supply and the output, and use the COM pin for the supply when driving inductive loads.
Can I connect it to a 3.3 V microcontroller?
The input is rated for 15 V. Check the input threshold in the datasheet before using 3.3 V logic, since the threshold may not be reached reliably.
