ULN2004 are high voltage, high current Darlington arrays each containing seven open collector. Darlington pairs with common emitters. Each channel rated at 500 mA and can withstand peak currents of 600 mA. Suppression diodes are included for inductive load driving and the inputs are pinned opposite the outputs to simplify board layout.
You can save money on this item when you purchase several at a time. The table below shows the minimum quantities required to benefit from this offer, and how much they'll cost.
| Quantity | Price per unit |
|---|
| 1 | £0.45 |
| 10+ | £0.40 |